Repair and Diagnosis (Single Page)
You are viewing the full "tree" of links on one page. This can load slowly, but is easier to search. The same page can appear multiple times under a different folder, that is why the page is so large.View "split tree" where inner folders are split out. where inner links are on separate pages.
Quick Lookups
Common Specs & Procedures
DTC Index
Electrical Component Locations
Fluids
Technical Bulletins
Tire Fitment
Wiring Diagrams- System Wiring Diagrams
- Using lemon2025'S Wiring Diagrams
- Air Conditioning
- Anti-Lock Brakes
- Anti-Theft
- Body Control Modules
- Computer Data Lines
- Cooling Fan
- Cruise Control
- Defoggers
- Electronic Suspension
- Engine Performance
- Exterior Lights
- Ground Distribution
- Headlights
- Horn
- Instrument Cluster
- Interior Lights
- Power Distribution
- Power Door Locks
- Power Mirrors
- Power Seats
- Power Windows
- Radio
- Shift Interlock
- Starting/Charging
- Supplemental Restraints
- Transmission
- Trunk, Tailgate, Fuel Door
- Warning Systems
- Wiper/Washer
- Using lemon2025'S System Wiring Diagrams
- System Wiring Diagrams
- Accessories & Equipment
- Anti-Theft Systems
- Anti-Theft System
- Description & Operation
- Component Locations
- Programming
- Adjustments
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- Symptom Tests
- Notes
- Test 1: CTD Alarm Mode Always On
- Test 2: CTD Alarm Mode Inoperative
- Test 3: CTD Enters Alarm Modes Intermittent
- Test 4: Horn Inoperative In CTD Alarm Mode
- Test 5: Lights Inoperative In CTD Alarm Mode
- Test 6: Security Indicator Light Inoperative
- Test 7: Security Message Inoperative
- Test 8: Shock Sensor Inoperative
- Test 9: CTD System Feature Customization Inoperative
- Removal & Installation
- Wiring Diagrams
- Power Door Lock System & Door Handles
- Description & Operation
- Notes
- Illuminated Entry
- Delayed Illumination
- All Doors Unlock
- All Doors Lock
- Last Door Closed Locking
- Lock-Out Prevention
- Lock-Out Prevention Override
- Ignition Off Unlock
- Shift Into Park Unlock
- Shift Out Of Park Lock
- Sliding Door Delayed Locking
- Sliding Door Delay Locking Override
- Door Lock Cylinder Unlock Function
- Door Lock Cylinder Lock Function
- Component Locations
- Programming
- Trouble Shooting
- Symptom Tests
- Notes
- Test A: Automatic Door Locks Inoperative
- Test B: Lock Function Inoperative, One Door Lock Switch
- Test C: Lock Function Inoperative, One Key Cylinder Switch
- Test D: One Key Cylinder Switch Inoperative
- Test E: One Power Door Lock Motor Inoperative
- Test F: One Power Door Lock Switch Inoperative
- Test G: Power Door Locks Inoperative
- Test H: Unlock Function Inoperative, One Door Lock Switch
- Test I: Unlock Function Inoperative, One Key Cylinder Switch
- Removal & Installation
- Wiring Diagrams
- Description & Operation
- Power Sliding Door System
- Description
- Operation
- Opening & Closing Power Sliding Door
- Power Assist
- Power Sliding Door Alarm
- Reversing Power Sliding Door
- Stopping Closing Operation
- Stopping Opening Operation
- Optical Sensor
- Power Sliding Door Drive Unit (Cable Motor & Clutch)
- Sliding Door Latch Release Actuator
- Rear Side Door Actuator Control Module (RSDACM)
- Sliding Door Latch Detent Switch
- Transaxle Range Switch
- Programming
- Adjustments
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- System Tests
- Notes
- Power Sliding Door Mechanical Check
- Power Sliding Door System Check
- Power Sliding Door Opening Symptoms
- PSD Does Not Open With Open/Close Switch But Power Opens When Unlatched Manually
- PSD Unlatches But Does Not Open With Open/Close Switch Or PSD Does Not Open When Opened With Handle
- PSD Unlatches But Does Not Open With Open/Close Switch Or PSD Does Not Open When Opened With Handle But PSD Will Open When Door Is Opened & Moved Manually
- PSD Reverses Or Stops When Opening
- PSD Will Not Stay Open When Vehicle Is On Incline Or Decline
- Power Sliding Door Closing Symptoms
- Power Sliding Door Inoperative
- Power Sliding Door On/Off Switch Inoperative
- Power Sliding Door Opens With Transaxle Shifted Out Of Park
- Power Sliding Door Alarm Inoperative
- Power Sliding Door Alarm Always On
- Power Sliding Door "B" Pillar Open/Close Switch Inoperative
- Power Sliding Door Unable To Enter Diagnostic Mode
- Power Sliding Door Latch Release Actuator Inoperative
- Removal & Installation
- Wiring Diagrams
- Remote Keyless Entry Systems
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- Symptom Tests
- Notes
- Test A: Courtesy Lamps Inoperative With Transmitter
- Test B: Door Lock/Unlock Inoperative - Driver Door
- Test C: Door Lock/Unlock Inoperative - Passenger Door
- Test D: Door Lock Inoperative With Transmitter - All Doors
- Test E: Door Unlock Inoperative With Transmitter - All Doors
- Test F: Power Sliding Door Open/Close Inoperative With Transmitter
- Test G: Keyless Entry System Does Not Change Customization Modes
- Test H: Keyless Entry System Inoperative
- Component Tests
- Removal & Installation
- Wiring Diagrams
- Anti-Theft System
- Body Interior
- Body Control Modules
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Preliminary Inspection
- Body Control Module Diagnostic System Check
- Lighting System Diagnostic System Check
- Retained Accessory Power (Rap) Diagnostic System Check
- Anti-Theft System Diagnostic System Check
- Driver Information System Diagnostic System Check
- Instrument Panel Cluster Diagnostic System Check
- Power Sliding Side Doors Diagnostic System Check
- U1XXX - Loss Of Communication Codes
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC 1: Fasten Seat Belt Indicator Control Circuit Shorted To Battery Or Ground
- DTC 2: Battery Feed To Courtesy Lights
- DTC 3: Courtesy Lights
- DTC 6: Theft Deterrent Relay Control Circuit Shorted
- DTC 7: Horn System
- DTC 8: Remote Keyless Entry
- DTC U1000 & DTC U1255: Class 2 Communication Malfunction
- DTC U1001-U1254: Loss Of Communications With XXX
- DTC U1300: Class 2 Data Link Low
- DTC U1301: Class 2 Data Link High
- DTC U1305: Class 2 Data Link Low Or High
- System Tests
- Removal & Installation
- Wiring Diagrams
- Body Control Modules
- Communication Devices
- Body Control Modules
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Preliminary Inspection
- Body Control Module Diagnostic System Check
- Lighting System Diagnostic System Check
- Retained Accessory Power (Rap) Diagnostic System Check
- Anti-Theft System Diagnostic System Check
- Driver Information System Diagnostic System Check
- Instrument Panel Cluster Diagnostic System Check
- Power Sliding Side Doors Diagnostic System Check
- U1XXX - Loss Of Communication Codes
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC 1: Fasten Seat Belt Indicator Control Circuit Shorted To Battery Or Ground
- DTC 2: Battery Feed To Courtesy Lights
- DTC 3: Courtesy Lights
- DTC 6: Theft Deterrent Relay Control Circuit Shorted
- DTC 7: Horn System
- DTC 8: Remote Keyless Entry
- DTC U1000 & DTC U1255: Class 2 Communication Malfunction
- DTC U1001-U1254: Loss Of Communications With XXX
- DTC U1300: Class 2 Data Link Low
- DTC U1301: Class 2 Data Link High
- DTC U1305: Class 2 Data Link Low Or High
- System Tests
- Removal & Installation
- Wiring Diagrams
- Body Control Modules
- Cruise Control Systems
- Exterior Lights
- Exterior Lighting Systems - Wiring Diagrams
- ALERO
- Astro & Safari
- Blazer, BRAVADA, Envoy & Jimmy
- BONNEVILLE
- CAMARO
- CATERA
- Cavalier & SUNFIRE
- Century & Regal
- Chevy Express & SAVANA
- Corvette
- DEVILLE
- ELDORADO
- Escalade, Pickup, TAHOE & YUKON
- Firebird
- Grand Am
- Grand PRIX
- Impala
- Intrigue
- LESABRE
- Lumina
- MALIBU
- Metro & Firefly (CANADIAN)
- MONTANA, Silhouette & Venture
- Monte CARLO
- Park Avenue
- PRIZM
- SATURN
- SEVILLE
- Sierra, SILVERADO, Suburban, SONOMA, S10 Pickup, TAHOE, YUKON & YUKON XL
- Tracker
- Lighting Systems - Back-Up Light System - Wiring Diagrams
- ALERO & Grand Am
- Astro & Safari
- Blazer, BRAVADA, Envoy & Jimmy
- BONNEVILLE
- CAMARO & Firebird
- CATERA
- Cavalier & SUNFIRE
- Century
- Chevy Express & SAVANA
- Corvette
- DEVILLE
- ELDORADO
- Escalade, Pickup, Suburban, TAHOE, YUKON, YUKON XL
- Grand PRIX
- Impala
- Intrigue
- LESABRE
- Lumina
- MALIBU
- Metro & Firefly (CANADIAN)
- MONTANA, Silhouette & Venture
- Monte CARLO
- Park Avenue
- PRIZM
- Regal
- SATURN
- SEVILLE
- Sierra & SILVERADO
- SONOMA & S10 Pickup
- Tracker
- Exterior Lighting Systems - Wiring Diagrams
- Gauges & Instrument Panels
- Display And Gauge System Analog Instrument Panels
- Description
- Operation
- Component Locations
- Adjustments
- Self-Diagnostic System
- Diagnostic Tests
- System Tests
- Notes
- Test A: Brake Warning Indicator Always On
- Test B: Charge Warning Indicator Malfunctioning
- Test C: Fuel Gauge Inoperative Or Inaccurate
- Test D: Odometer Inaccurate Or Inoperative
- Test E: PRNDL Display Inaccurate Or Inoperative
- Test F: Speedometer Inaccurate Or Inoperative
- Test G: Tachometer Inaccurate Or Inoperative
- Test H: Change Engine Oil Message Always On
- Test I: Driver Information Center Compass Inaccurate Or "C" Displayed
- Test J: Driver Information Center Trip Calculator Inoperative
- Test K: Driver Information Display Switch Inoperative
- Test L: Low Engine Oil Level Message Inoperative
- Test M: Low Oil Pressure Message Always On
- Removal & Installation
- Wiring Diagrams
- Display And Gauge System Analog Instrument Panels
- Headlights
- Headlight Systems & Daytime Running Lights Systems Wiring Diagrams
- ALERO
- Astro & Safari
- Blazer, BRAVADA, Jimmy, SONOMA & S10 Pickup
- BONNEVILLE
- CAMARO
- CATERA
- Cavalier & SUNFIRE
- Century & Regal
- Chevy Express & SAVANA
- Corvette
- DEVILLE
- ELDORADO
- Envoy & Jimmy
- Escalade & YUKON
- Firebird
- Grand Am
- Grand PRIX
- Impala & Monte CARLO
- Intrigue
- LESABRE
- Lumina
- MALIBU
- Metro & Firefly (CANADIAN)
- MONTANA, Silhouette & Venture
- Park Avenue
- Pickup, Sierra, SILVERADO, TAHOE, YUKON
- PRIZM
- SATURN
- SEVILLE
- Tracker
- Headlight Systems & Daytime Running Lights Systems Wiring Diagrams
- Heated Glass/Defoggers
- Interior/Illumination Lights
- Illumination - Interior Lighting Systems Wiring Diagrams
- ALERO
- Astro & Safari
- Blazer, BRAVADA, Envoy & Jimmy
- BONNEVILLE
- CAMARO & Firebird
- CATERA
- Cavalier & SUNFIRE
- Century & Regal
- Chevy Express & SAVANA
- Corvette
- DEVILLE
- ELDORADO
- Escalade, Pickup, Suburban, TAHOE & YUKON
- Grand Am
- Grand PRIX
- Impala & Monte CARLO
- Intrigue
- LESABRE
- Lumina
- MALIBU
- Metro & Firefly (CANADIAN)
- MONTANA, Silhouette & Venture
- Park Avenue
- PRIZM
- SATURN
- SEVILLE
- Sierra & SILVERADO
- SONOMA & S10 Pickup
- Tracker
- Illumination - Interior Lighting Systems Wiring Diagrams
- Mirrors
- Power Mirror System
- Description & Operation
- Trouble Shooting
- Symptom Tests
- Notes
- Astro & Safari
- Both Power Mirrors Inoperative
- One Power Mirror Inoperative In Any Direction, Other Mirror Operates Properly
- Left-Side Power Mirror Inoperative In Up/Down Positions
- Right-Side Power Mirror Inoperative In Up/Down Positions
- Left-Side Power Mirror Inoperative In Left/Right Positions
- Right-Side Power Mirror Inoperative In Left/Right Positions
- Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup
- Escalade & "C" & "K" Series Pickup
- Chevy Express & SAVANA
- Both Power Mirrors Inoperative
- Left-Side Power Mirror Inoperative
- Right-Side Power Mirror Inoperative
- Left-Side Power Mirror Inoperative In Up/Down Positions
- Right-Side Power Mirror Inoperative In Up/Down Positions
- Left-Side Power Mirror Inoperative In Left/Right Positions
- Right-Side Power Mirror Inoperative In Left/Right Positions
- MONTANA, Silhouette & Venture
- Sierra, SILVERADO, Suburban, TAHOE, YUKON & YUKON XL
- Both Power Mirrors Inoperative
- One Power Mirror Inoperative In Any Direction, Other Mirror Operates Properly
- Left-Side Power Mirror Inoperative In Up/Down Positions
- Right-Side Power Mirror Inoperative In Up/Down Positions
- Left-Side Power Mirror Inoperative In Left/Right Positions
- Right-Side Power Mirror Inoperative In Left/Right Positions
- Removal & Installation
- Notes
- Power Mirror Assembly
- Removal & Installation (Astro & Safari)
- Removal & Installation (Blazer, Bravada, Envoy, Jimmy, Sonoma & S10 Pickup)
- Removal & Installation (Escalade & "C" & "K" Series Pickup)
- Removal & Installation (Chevy Express & Savana)
- Removal & Installation (Montana, Silhouette & Venture)
- Removal & Installation (Sierra, Silverado, Suburban, Tahoe, Yukon & Yukon XL)
- Power Mirror Glass
- Wiring Diagrams
- Power Mirror System
- Seats
- Steering Column Switches
- Steering Column
- Model Identification
- Description
- Disabling & Activating Air Bag System
- Adjustments
- Removal & Installation
- Overhaul
- Torque Specifications
- Steering Column Switches
- Model Identification
- Description & Operation
- Component Locations
- Adjustments
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- Symptom Tests
- Component Tests
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- Horn System Wiring Diagram (Astro & Safari)
- Horn System Wiring Diagram (Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup)
- Horn System Wiring Diagram (Express & SAVANA)
- Horn System Wiring Diagram (Escalade, Pickup, TAHOE & YUKON - Old Style)
- Horn System Wiring Diagram (MONTANA, Silhouette & Venture)
- Horn System Wiring Diagram (Sierra, SILVERADO, Suburban, TAHOE, YUKON & YUKON XL - New Style)
- Steering Column
- Warning Systems
- Wiring Diagrams
- Alero & Grand Am
- Astro & Safari
- Blazer, Bravada, Envoy, Jimmy, Sonoma & S10 Pickup
- Bonneville
- Camaro & Firebird
- Catera
- Cavalier & Sunfire
- Century & Regal
- Chevy Express & Savana
- Corvette
- Eldorado
- Escalade, Pickup & Yukon - Luxury & Performance - Old Style
- DeVille
- Grand Prix
- Impala & Monte Carlo
- Intrigue
- LeSabre
- Lumina
- Malibu
- Metro & Firefly
- Montana, Silhouette & Venture
- Pickup, Tahoe & Yukon - Base - Old Style
- Park Avenue
- Prizm
- Saturn LS, LS1, LS2, LW1 & LW2
- Saturn SC1, SC2, SL, SL1, SL2 & SW2
- Seville
- Sierra, Silverado, Tahoe, Yukon & Yukon XL - New Style
- Tracker
- Wiring Diagrams
- Window Motors & Regulators
- Wiper/Washer Systems
- Wiper System And Washer System
- Description
- Operation
- Adjustments
- Trouble Shooting
- Symptom Tests
- Notes
- Test 1: Front Wipers Inoperative In Any Mode
- Test 2: Front Wipers Operate In Off Position
- Test 3: No Front Wiper High Speed Mode
- Test 4: Front Wipers Inoperative In Low Speed, Delay, Or Mist Modes, High Speed Is Okay
- Test 5: Front Wiper Pulse Delay Operates Incorrectly Or Not At All
- Test 6: Front Wipers Do Not Park
- Test 7: Front Washer Inoperative
- Test 8: Rear Wiper Inoperative In Any Mode
- Test 9: Rear Wiper Will Not Turn Off
- Test 10: Rear Washer Does Not Operate
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- Wiper System And Washer System
- Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)
- Data Link Connector Wiring Diagrams
- Data Link Connectors Wiring Diagram (ALERO & Grand Am)
- Data Link Connectors Wiring Diagram (Astro & Safari)
- Data Link Connectors Wiring Diagram (CAMARO & Firebird)
- Data Link Connectors Wiring Diagram (Cavalier & SUNFIRE)
- Data Link Connectors Wiring Diagram (Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup)
- Data Link Connectors Wiring Diagram (BONNEVILLE)
- Data Link Connectors Wiring Diagram (CATERA)
- Data Link Connectors Wiring Diagram (Century & Regal)
- Data Link Connectors Wiring Diagram (Corvette)
- Data Link Connectors Wiring Diagram (Escalade, "C" & "K" Pickup, TAHOE & YUKON - Old Style)
- Data Link Connectors Wiring Diagram (Express & SAVANA)
- Data Link Connectors Wiring Diagram (DEVILLE)
- Data Link Connectors Wiring Diagram (ELDORADO)
- Data Link Connectors Wiring Diagram (Impala & Monte CARLO)
- Data Link Connectors Wiring Diagram (Grand PRIX)
- Data Link Connectors Wiring Diagram (Intrigue)
- Data Link Connectors Wiring Diagram (Lumina)
- Data Link Connectors Wiring Diagram (LESABRE)
- Data Link Connectors Wiring Diagram (MALIBU)
- Data Link Connectors Wiring Diagram (Metro & Firefly (CANADIAN)
- Data Link Connectors Wiring Diagram (MONTANA, Silhouette & Venture)
- Data Link Connectors Wiring Diagram (2000 - SATURN LS, LS1 & LW1)
- Data Link Connectors Wiring Diagram (2000 - SATURN LS2 & LW2)
- Data Link Connectors Wiring Diagram (SATURN SC1, SC2, SL, SL1, SL2 & SW2)
- Data Link Connectors Wiring Diagram (Sierra, SILVERADO, Suburban, TAHOE, YUKON & YUKON XL - New Style)
- Data Link Connectors Wiring Diagram (Park Avenue)
- Data Link Connectors Wiring Diagram (PRIZM)
- Data Link Connectors Wiring Diagram (SEVILLE)
- Ground Distribution Wiring Diagrams
- ALERO & Grand Am Ground Distribution Wiring Diagram
- Astro & Safari Ground Distribution Wiring Diagram
- Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup Ground Distribution Wiring Diagram
- BONNEVILLE Ground Distribution Wiring Diagram
- CAMARO & Firebird Ground Distribution Wiring Diagram
- CATERA Ground Distribution Wiring Diagram
- Cavalier & SUNFIRE Ground Distribution Wiring Diagram
- Century & Regal Ground Distribution Wiring Diagram
- Corvette Ground Distribution Wiring Diagram
- DEVILLE Ground Distribution Wiring Diagram
- ELDORADO Ground Distribution Wiring Diagram
- Express & SAVANA Ground Distribution Wiring Diagram
- Grand PRIX Ground Distribution Wiring Diagram
- Impala & Monte CARLO Ground Distribution Wiring Diagram
- Intrigue Ground Distribution Wiring Diagram
- LESABRE Ground Distribution Wiring Diagram
- Lumina Ground Distribution Wiring Diagram
- MALIBU Ground Distribution Wiring Diagram
- Metro & Firefly (CANADIAN) Ground Distribution Wiring Diagram
- MONTANA, Silhouette & Venture Ground Distribution Wiring Diagram
- Park Avenue Ground Distribution Wiring Diagram
- PRIZM Ground Distribution Wiring Diagram
- SATURN L Series Ground Distribution Wiring Diagram
- SATURN S Series Ground Distribution Wiring Diagram
- SEVILLE Ground Distribution Wiring Diagram
- Sierra & SILVERADO - New Style - Ground Distribution Wiring Diagram
- Escalade, Pickup, Suburban, TAHOE, YUKON & YUKON XL Ground Distribution Wiring Diagram
- Tracker Ground Distribution Wiring Diagram
- Power Distribution - Wiring Diagrams
- Wiring Diagrams
- ALERO & Grand Am
- Astro & Safari
- Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup
- BONNEVILLE
- CAMARO & Firebird
- CATERA
- Cavalier & SUNFIRE
- Century & Regal
- Corvette
- DEVILLE
- ELDORADO
- Escalade, Pickup, TAHOE & YUKON - Old Style
- Express & SAVANA
- Grand PRIX
- Impala & Monte CARLO
- Intrigue
- LESABRE
- Lumina
- Metro & Firefly (CANADIAN)
- MALIBU
- MONTANA, Silhouette & Venture
- Park Avenue
- PRIZM
- SATURN
- SEVILLE
- Sierra, SILVERADO, Suburban, TAHOE, YUKON & YUKON XL - New Style
- Tracker
- Data Link Connector Wiring Diagrams
- Anti-Theft Systems
- Body & Frame
- Body, Cab Control Systems
- Body Control Modules
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Preliminary Inspection
- Body Control Module Diagnostic System Check
- Lighting System Diagnostic System Check
- Retained Accessory Power (Rap) Diagnostic System Check
- Anti-Theft System Diagnostic System Check
- Driver Information System Diagnostic System Check
- Instrument Panel Cluster Diagnostic System Check
- Power Sliding Side Doors Diagnostic System Check
- U1XXX - Loss Of Communication Codes
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC 1: Fasten Seat Belt Indicator Control Circuit Shorted To Battery Or Ground
- DTC 2: Battery Feed To Courtesy Lights
- DTC 3: Courtesy Lights
- DTC 6: Theft Deterrent Relay Control Circuit Shorted
- DTC 7: Horn System
- DTC 8: Remote Keyless Entry
- DTC U1000 & DTC U1255: Class 2 Communication Malfunction
- DTC U1001-U1254: Loss Of Communications With XXX
- DTC U1300: Class 2 Data Link Low
- DTC U1301: Class 2 Data Link High
- DTC U1305: Class 2 Data Link Low Or High
- System Tests
- Removal & Installation
- Wiring Diagrams
- Body Control Modules
- Door Locks
- Anti-Theft System
- Description & Operation
- Component Locations
- Programming
- Adjustments
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- Symptom Tests
- Notes
- Test 1: CTD Alarm Mode Always On
- Test 2: CTD Alarm Mode Inoperative
- Test 3: CTD Enters Alarm Modes Intermittent
- Test 4: Horn Inoperative In CTD Alarm Mode
- Test 5: Lights Inoperative In CTD Alarm Mode
- Test 6: Security Indicator Light Inoperative
- Test 7: Security Message Inoperative
- Test 8: Shock Sensor Inoperative
- Test 9: CTD System Feature Customization Inoperative
- Removal & Installation
- Wiring Diagrams
- Power Door Lock System & Door Handles
- Description & Operation
- Notes
- Illuminated Entry
- Delayed Illumination
- All Doors Unlock
- All Doors Lock
- Last Door Closed Locking
- Lock-Out Prevention
- Lock-Out Prevention Override
- Ignition Off Unlock
- Shift Into Park Unlock
- Shift Out Of Park Lock
- Sliding Door Delayed Locking
- Sliding Door Delay Locking Override
- Door Lock Cylinder Unlock Function
- Door Lock Cylinder Lock Function
- Component Locations
- Programming
- Trouble Shooting
- Symptom Tests
- Notes
- Test A: Automatic Door Locks Inoperative
- Test B: Lock Function Inoperative, One Door Lock Switch
- Test C: Lock Function Inoperative, One Key Cylinder Switch
- Test D: One Key Cylinder Switch Inoperative
- Test E: One Power Door Lock Motor Inoperative
- Test F: One Power Door Lock Switch Inoperative
- Test G: Power Door Locks Inoperative
- Test H: Unlock Function Inoperative, One Door Lock Switch
- Test I: Unlock Function Inoperative, One Key Cylinder Switch
- Removal & Installation
- Wiring Diagrams
- Description & Operation
- Power Sliding Door System
- Description
- Operation
- Opening & Closing Power Sliding Door
- Power Assist
- Power Sliding Door Alarm
- Reversing Power Sliding Door
- Stopping Closing Operation
- Stopping Opening Operation
- Optical Sensor
- Power Sliding Door Drive Unit (Cable Motor & Clutch)
- Sliding Door Latch Release Actuator
- Rear Side Door Actuator Control Module (RSDACM)
- Sliding Door Latch Detent Switch
- Transaxle Range Switch
- Programming
- Adjustments
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- System Tests
- Notes
- Power Sliding Door Mechanical Check
- Power Sliding Door System Check
- Power Sliding Door Opening Symptoms
- PSD Does Not Open With Open/Close Switch But Power Opens When Unlatched Manually
- PSD Unlatches But Does Not Open With Open/Close Switch Or PSD Does Not Open When Opened With Handle
- PSD Unlatches But Does Not Open With Open/Close Switch Or PSD Does Not Open When Opened With Handle But PSD Will Open When Door Is Opened & Moved Manually
- PSD Reverses Or Stops When Opening
- PSD Will Not Stay Open When Vehicle Is On Incline Or Decline
- Power Sliding Door Closing Symptoms
- Power Sliding Door Inoperative
- Power Sliding Door On/Off Switch Inoperative
- Power Sliding Door Opens With Transaxle Shifted Out Of Park
- Power Sliding Door Alarm Inoperative
- Power Sliding Door Alarm Always On
- Power Sliding Door "B" Pillar Open/Close Switch Inoperative
- Power Sliding Door Unable To Enter Diagnostic Mode
- Power Sliding Door Latch Release Actuator Inoperative
- Removal & Installation
- Wiring Diagrams
- Remote Keyless Entry Systems
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- Symptom Tests
- Notes
- Test A: Courtesy Lamps Inoperative With Transmitter
- Test B: Door Lock/Unlock Inoperative - Driver Door
- Test C: Door Lock/Unlock Inoperative - Passenger Door
- Test D: Door Lock Inoperative With Transmitter - All Doors
- Test E: Door Unlock Inoperative With Transmitter - All Doors
- Test F: Power Sliding Door Open/Close Inoperative With Transmitter
- Test G: Keyless Entry System Does Not Change Customization Modes
- Test H: Keyless Entry System Inoperative
- Component Tests
- Removal & Installation
- Wiring Diagrams
- Anti-Theft System
- Mirrors
- Power Mirror System
- Description & Operation
- Trouble Shooting
- Symptom Tests
- Notes
- Astro & Safari
- Both Power Mirrors Inoperative
- One Power Mirror Inoperative In Any Direction, Other Mirror Operates Properly
- Left-Side Power Mirror Inoperative In Up/Down Positions
- Right-Side Power Mirror Inoperative In Up/Down Positions
- Left-Side Power Mirror Inoperative In Left/Right Positions
- Right-Side Power Mirror Inoperative In Left/Right Positions
- Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup
- Escalade & "C" & "K" Series Pickup
- Chevy Express & SAVANA
- Both Power Mirrors Inoperative
- Left-Side Power Mirror Inoperative
- Right-Side Power Mirror Inoperative
- Left-Side Power Mirror Inoperative In Up/Down Positions
- Right-Side Power Mirror Inoperative In Up/Down Positions
- Left-Side Power Mirror Inoperative In Left/Right Positions
- Right-Side Power Mirror Inoperative In Left/Right Positions
- MONTANA, Silhouette & Venture
- Sierra, SILVERADO, Suburban, TAHOE, YUKON & YUKON XL
- Both Power Mirrors Inoperative
- One Power Mirror Inoperative In Any Direction, Other Mirror Operates Properly
- Left-Side Power Mirror Inoperative In Up/Down Positions
- Right-Side Power Mirror Inoperative In Up/Down Positions
- Left-Side Power Mirror Inoperative In Left/Right Positions
- Right-Side Power Mirror Inoperative In Left/Right Positions
- Removal & Installation
- Notes
- Power Mirror Assembly
- Removal & Installation (Astro & Safari)
- Removal & Installation (Blazer, Bravada, Envoy, Jimmy, Sonoma & S10 Pickup)
- Removal & Installation (Escalade & "C" & "K" Series Pickup)
- Removal & Installation (Chevy Express & Savana)
- Removal & Installation (Montana, Silhouette & Venture)
- Removal & Installation (Sierra, Silverado, Suburban, Tahoe, Yukon & Yukon XL)
- Power Mirror Glass
- Wiring Diagrams
- Power Mirror System
- Seats
- Windows
- Body, Cab Control Systems
- Brakes
- Anti-Lock Brakes
- Anti-Lock Brake System - TCS - DELPHI Db7
- Model Identification
- Description
- Operation
- Bleeding Brake System
- Diagnosis & Testing
- Symptom Tests
- Notes
- Test A: Abs Indicator Always On
- Test B: Abs Indicator Inoperative
- Test C: TRAC Off Indicator Always On
- Test D: TRAC Off Indicator Inoperative
- Test E: Traction Active Message Always On
- Test F: Service Traction System Message Always On
- Test G: No Communication With EBCM
- Test H: Scan Tool Does Not Communicate With Class 2 Device
- Diagnostic Tests
- Notes
- DTC C1214: Solenoid Valve Relay Contact Or Coil Circuit Open
- DTC C1216: EBCM Commanded Pressure Release Too Long
- DTC C1217: Pump Motor Shorted To Ground
- DTC C1218: Pump Motor Circuit Shorted To Voltage
- DTC C1221, DTC C1222, DTC C1223, DTC C1224, DTC 1225, DTC C1226, DTC C1227, DTC C1228, DTC 1229, DTC C1230, DTC C1231, DTC C1232, DTC C1233, DTC C1234 Or DTC C1235: Wheel Speed Sensor Signal
- DTC C1236: Low System Supply Voltage
- DTC C1237: High System Supply Voltage
- DTC C1238: Brake Rotor Temperatures Have Exceeded Thermal Cutoff Point
- DTC C1242: Pump Motor Circuit Open
- DTC C1243: BPMV Pump Motor Stalled
- DTC C1247: Low Brake Fluid Detected
- DTC C1254: Abnormal Shutdown Detected
- DTC C1255 Or DTC C1256: EBCM/EBTCM Internal Malfunction
- DTC C1261, DTC C1262, DTC C1263, DTC C1264, DTC C1265, DTC C1266, DTC C1267, DTC C1268: Inlet/Outlet Valve Solenoid Malfunction
- DTC C1272: Left Front TCS Valve Solenoid Malfunction
- DTC C1274: Right Front TCS Valve Solenoid Malfunction
- DTC C1276: Delivered Torque Signal Circuit Malfunction
- DTC C1277: Requested Torque Signal Circuit Malfunction
- DTC C1278: TCS Temporarily Inhibited By Pcm
- DTC C1291: BRAKELIGHT Switch Remains Open During Deceleration
- DTC C1293: DTC C1291 Set In Previous Ignition Cycle
- DTC C1294: BRAKELIGHT Switch Circuit Always Active
- DTC C1295: BRAKELIGHT Switch Circuit Open
- DTC C1298: Pcm Class 2 Serial Data Link Malfunction
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- Anti-Lock Brake System - Wiring Diagrams
- Wiring Diagrams
- Notes
- ALERO & Grand Am
- Astro & Safari
- Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup
- BONNEVILLE
- CAMARO & Firebird
- CATERA
- Cavalier & SUNFIRE
- Century & Regal
- Corvette
- DEVILLE
- ELDORADO
- Escalade, Pickup, TAHOE & YUKON
- Express & SAVANA
- Grand PRIX
- Impala & Monte CARLO
- Intrigue
- LESABRE
- Lumina
- MALIBU
- Metro & Firefly (CANADIAN)
- MONTANA, Silhouette & Venture
- Park Avenue
- Pickup
- PRIZM
- SATURN
- SEVILLE
- Sierra, SILVERADO, Suburban, TAHOE & YUKON
- Tracker
- Wiring Diagrams
- Anti-Lock Brake System - TCS - DELPHI Db7
- Mechanical - Hydraulic
- Disc Brakes & Drum Brakes
- Model Identification
- Description & Operation
- Bleeding Brake System
- Adjustments
- Testing
- Removal & Installation
- Front Brake Caliper
- Front Brake Rotor
- Rear Brake Caliper
- Rear Brake Rotor
- Rear Brake Drum
- Rear Brake Shoes
- Parking Brake Shoes (Rear Disc Brakes)
- Wheel Cylinder
- Master Cylinder
- Power Brake Booster
- Combination Valve
- Rear Axle Bearing & Oil Seal (Semi-Floating Axle)
- Rear Axle Hub Bearings & Oil Seal (Full-Floating Axle)
- Overhaul
- Drum Brake Specifications
- Disc Brake Specifications
- Torque Specifications
- Disc Brakes & Drum Brakes
- Traction Control
- Anti-Lock Brake System - TCS - DELPHI Db7
- Model Identification
- Description
- Operation
- Bleeding Brake System
- Diagnosis & Testing
- Symptom Tests
- Notes
- Test A: Abs Indicator Always On
- Test B: Abs Indicator Inoperative
- Test C: TRAC Off Indicator Always On
- Test D: TRAC Off Indicator Inoperative
- Test E: Traction Active Message Always On
- Test F: Service Traction System Message Always On
- Test G: No Communication With EBCM
- Test H: Scan Tool Does Not Communicate With Class 2 Device
- Diagnostic Tests
- Notes
- DTC C1214: Solenoid Valve Relay Contact Or Coil Circuit Open
- DTC C1216: EBCM Commanded Pressure Release Too Long
- DTC C1217: Pump Motor Shorted To Ground
- DTC C1218: Pump Motor Circuit Shorted To Voltage
- DTC C1221, DTC C1222, DTC C1223, DTC C1224, DTC 1225, DTC C1226, DTC C1227, DTC C1228, DTC 1229, DTC C1230, DTC C1231, DTC C1232, DTC C1233, DTC C1234 Or DTC C1235: Wheel Speed Sensor Signal
- DTC C1236: Low System Supply Voltage
- DTC C1237: High System Supply Voltage
- DTC C1238: Brake Rotor Temperatures Have Exceeded Thermal Cutoff Point
- DTC C1242: Pump Motor Circuit Open
- DTC C1243: BPMV Pump Motor Stalled
- DTC C1247: Low Brake Fluid Detected
- DTC C1254: Abnormal Shutdown Detected
- DTC C1255 Or DTC C1256: EBCM/EBTCM Internal Malfunction
- DTC C1261, DTC C1262, DTC C1263, DTC C1264, DTC C1265, DTC C1266, DTC C1267, DTC C1268: Inlet/Outlet Valve Solenoid Malfunction
- DTC C1272: Left Front TCS Valve Solenoid Malfunction
- DTC C1274: Right Front TCS Valve Solenoid Malfunction
- DTC C1276: Delivered Torque Signal Circuit Malfunction
- DTC C1277: Requested Torque Signal Circuit Malfunction
- DTC C1278: TCS Temporarily Inhibited By Pcm
- DTC C1291: BRAKELIGHT Switch Remains Open During Deceleration
- DTC C1293: DTC C1291 Set In Previous Ignition Cycle
- DTC C1294: BRAKELIGHT Switch Circuit Always Active
- DTC C1295: BRAKELIGHT Switch Circuit Open
- DTC C1298: Pcm Class 2 Serial Data Link Malfunction
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- Anti-Lock Brake System - Wiring Diagrams
- Wiring Diagrams
- Notes
- ALERO & Grand Am
- Astro & Safari
- Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup
- BONNEVILLE
- CAMARO & Firebird
- CATERA
- Cavalier & SUNFIRE
- Century & Regal
- Corvette
- DEVILLE
- ELDORADO
- Escalade, Pickup, TAHOE & YUKON
- Express & SAVANA
- Grand PRIX
- Impala & Monte CARLO
- Intrigue
- LESABRE
- Lumina
- MALIBU
- Metro & Firefly (CANADIAN)
- MONTANA, Silhouette & Venture
- Park Avenue
- Pickup
- PRIZM
- SATURN
- SEVILLE
- Sierra, SILVERADO, Suburban, TAHOE & YUKON
- Tracker
- Wiring Diagrams
- Anti-Lock Brake System - TCS - DELPHI Db7
- Anti-Lock Brakes
- Drivelines & Axles
- Electrical
- Body Electrical
- Testing Wiring Systems For Intermittent & Poor Connections
- Service Precautions
- Intermittent Or Poor Connections
- Inducing Intermittent Fault Conditions
- Testing for Electrical Intermittents
- Testing for Short to Ground
- Testing for Continuity
- Testing for a Short to Voltage
- Troubleshooting with a Digital Multimeter
- Troubleshooting with a Test Lamp
- Probing Electrical Connectors
- Testing Wiring Systems For Intermittent & Poor Connections
- Charging Systems
- Component Locations
- Fuses & Circuit Breakers
- Gauges
- Display And Gauge System Analog Instrument Panels
- Description
- Operation
- Component Locations
- Adjustments
- Self-Diagnostic System
- Diagnostic Tests
- System Tests
- Notes
- Test A: Brake Warning Indicator Always On
- Test B: Charge Warning Indicator Malfunctioning
- Test C: Fuel Gauge Inoperative Or Inaccurate
- Test D: Odometer Inaccurate Or Inoperative
- Test E: PRNDL Display Inaccurate Or Inoperative
- Test F: Speedometer Inaccurate Or Inoperative
- Test G: Tachometer Inaccurate Or Inoperative
- Test H: Change Engine Oil Message Always On
- Test I: Driver Information Center Compass Inaccurate Or "C" Displayed
- Test J: Driver Information Center Trip Calculator Inoperative
- Test K: Driver Information Display Switch Inoperative
- Test L: Low Engine Oil Level Message Inoperative
- Test M: Low Oil Pressure Message Always On
- Removal & Installation
- Wiring Diagrams
- Display And Gauge System Analog Instrument Panels
- Motors, Switches, Relays
- Testing Wiring Systems For Intermittent & Poor Connections
- Service Precautions
- Intermittent Or Poor Connections
- Inducing Intermittent Fault Conditions
- Testing for Electrical Intermittents
- Testing for Short to Ground
- Testing for Continuity
- Testing for a Short to Voltage
- Troubleshooting with a Digital Multimeter
- Troubleshooting with a Test Lamp
- Probing Electrical Connectors
- Testing Wiring Systems For Intermittent & Poor Connections
- Starter
- Wiring Diagrams
- System Wiring Diagrams
- Using lemon2025'S Wiring Diagrams
- Air Conditioning
- Anti-Lock Brakes
- Anti-Theft
- Body Control Modules
- Computer Data Lines
- Cooling Fan
- Cruise Control
- Defoggers
- Electronic Suspension
- Engine Performance
- Exterior Lights
- Ground Distribution
- Headlights
- Horn
- Instrument Cluster
- Interior Lights
- Power Distribution
- Power Door Locks
- Power Mirrors
- Power Seats
- Power Windows
- Radio
- Shift Interlock
- Starting/Charging
- Supplemental Restraints
- Transmission
- Trunk, Tailgate, Fuel Door
- Warning Systems
- Wiper/Washer
- Using lemon2025'S System Wiring Diagrams
- System Wiring Diagrams
- Body Electrical
- Engine Mechanical
- Accessory Drive Belts
- Engine Cooling System Specifications & Drive Belt Routing
- Model Identification
- Specifications
- Notes
- Belt Adjustment
- Cooling System Specifications
- Serpentine Belt Routing & Alignment
- Notes
- Serpentine Belt Routing (1.8L Prizm)
- Serpentine Belt Routing (1.9L Saturn DOHC)
- Serpentine Belt Routing (1.9L Saturn SOHC)
- Serpentine Belt Routing (2.0L Tracker)
- Serpentine Belt Routing (2.2L "J" Body)
- Serpentine Belt Routing (2.2L "S" Series)
- Serpentine Belt Routing (2.2L Saturn)
- Serpentine Belt Routing (2.4L "J" & "N" Bodies)
- Serpentine Belt Routing (2.5L Tracker)
- Serpentine Belt Routing (3.0L Saturn)
- Serpentine Belt Routing (3.0L "V" Body)
- Serpentine Belt Routing (3.1 "W" Body)
- Serpentine Belt Routing (3.4L "N", "W" & "Z" Bodies, & "A", "B" & "U" Series)
- Serpentine Belt Routing (3.5L "N" & "W" Bodies)
- Serpentine Belt Routing (3.8L "C", "G", "H" & "W" Bodies)
- Serpentine Belt Routing (3.8L "F" Body)
- Serpentine Belt Routing (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- Serpentine Belt Routing (4.3L, 5.0L, 5.7L & 7.4L, "S" & "T" Series)
- Serpentine Belt Routing (4.8L, 5.3L & 6.0L "C" & "K" Series)
- Serpentine Belt Routing (5.7L "F" Body)
- Serpentine Belt Routing (5.7L "Y" Body)
- Serpentine Belt Routing (6.5L Turbo-Diesel "C", "G" & "K" Series With Dual Generators)
- Serpentine Belt Routing (6.5L Turbo-Diesel "C", "G" & "K" Series Without Dual Generators)
- Serpentine Belt Routing (6.6L Turbo-Diesel "C" & "K" Series)
- Serpentine Belt Routing (8.1L "C", "G" &"K" Series )
- Engine Cooling System Specifications & Drive Belt Routing
- Cooling Fan
- Electric Cooling Fan
- Model Identification
- Description & Operation
- Trouble Shooting
- Scan Tool
- Electric Cooling Fan Circuit Diagnosis
- Wiring Diagrams
- Engine Cooling Fan System - Wiring Diagrams
- Electric Cooling Fan
- Cooling System (Mechanical)
- Engine Cooling System Specifications & Drive Belt Routing
- Model Identification
- Specifications
- Notes
- Belt Adjustment
- Cooling System Specifications
- Serpentine Belt Routing & Alignment
- Notes
- Serpentine Belt Routing (1.8L Prizm)
- Serpentine Belt Routing (1.9L Saturn DOHC)
- Serpentine Belt Routing (1.9L Saturn SOHC)
- Serpentine Belt Routing (2.0L Tracker)
- Serpentine Belt Routing (2.2L "J" Body)
- Serpentine Belt Routing (2.2L "S" Series)
- Serpentine Belt Routing (2.2L Saturn)
- Serpentine Belt Routing (2.4L "J" & "N" Bodies)
- Serpentine Belt Routing (2.5L Tracker)
- Serpentine Belt Routing (3.0L Saturn)
- Serpentine Belt Routing (3.0L "V" Body)
- Serpentine Belt Routing (3.1 "W" Body)
- Serpentine Belt Routing (3.4L "N", "W" & "Z" Bodies, & "A", "B" & "U" Series)
- Serpentine Belt Routing (3.5L "N" & "W" Bodies)
- Serpentine Belt Routing (3.8L "C", "G", "H" & "W" Bodies)
- Serpentine Belt Routing (3.8L "F" Body)
- Serpentine Belt Routing (4.0L "G" Body & 4.6L "E" & "K" Bodies)
- Serpentine Belt Routing (4.3L, 5.0L, 5.7L & 7.4L, "S" & "T" Series)
- Serpentine Belt Routing (4.8L, 5.3L & 6.0L "C" & "K" Series)
- Serpentine Belt Routing (5.7L "F" Body)
- Serpentine Belt Routing (5.7L "Y" Body)
- Serpentine Belt Routing (6.5L Turbo-Diesel "C", "G" & "K" Series With Dual Generators)
- Serpentine Belt Routing (6.5L Turbo-Diesel "C", "G" & "K" Series Without Dual Generators)
- Serpentine Belt Routing (6.6L Turbo-Diesel "C" & "K" Series)
- Serpentine Belt Routing (8.1L "C", "G" &"K" Series )
- Engine Cooling System Specifications & Drive Belt Routing
- Engine Mechanical 3.4L V6 - VIN (E)
- Engine Identification
- Adjustments
- Trouble Shooting
- Removal & Installation
- Overhaul
- Engine Oiling
- Torque Specifications
- Engine Specifications
- Starter
- Accessory Drive Belts
- Engine Performance
- Engine Controls - On-Vehicle Adjustments
- Application
- Emissions
- EGR Function Testing - General Motors Trucks
- Emission Applications
- Emission Control Abbreviations
- State Emission Standards - Diesel
- State Emission Standards - Gas
- ALASKA
- ARIZONA
- CALIFORNIA
- Colorado
- CONNECTICUT
- DELAWARE
- District Of COLUMBIA
- GEORGIA
- IDAHO
- ILLINOIS
- INDIANA
- KENTUCKY
- MARYLAND
- MASSACHUSETTS
- MISSOURI
- NEVADA
- New Jersey
- New MEXICO
- New YORK
- North CAROLINA
- OHIO
- OREGON
- PENNSYLVANIA
- RHODE Island
- TENNESSEE
- TEXAS
- UTAH
- VIRGINIA
- WASHINGTON
- WISCONSIN
- U. S. EPA ASM2525 & ASM5015 Start-Up Emission Standards
- U. S. EPA Revised Final ASM Emission Standards (ASM5015 & ASM2525)
- U.S. EPA Im240 Emission Standards
- Mode 6 - CHEVROLET Engines
- Remove, Overhaul & Install
- Engine Controls - Removal & Installation
- Model Identification
- Introduction
- Computerized Engine Controls
- Ignition System
- Fuel System (Gasoline)
- Fuel System Pressure Relief
- In-Line Fuel Filter Replacement
- Removal Procedure (Escalade, Pickup (Classic), Tahoe (Classic), Yukon Denali VIN C/K)
- Installation Procedure (Escalade, Pickup (Classic), Tahoe (Classic), Yukon Denali VIN C/K)
- Removal Procedure (Astro, Safari)
- Installation Procedure (Astro, Safari)
- Removal Procedure (Blazer, Bravada, Envoy, Jimmy, S10 Pickup, Sonoma (VIN S/T))
- Installation Procedure (Blazer, Bravada, Envoy, Jimmy, S10 Pickup, Sonoma (VIN S/T))
- Removal Procedure (Express, Savana (Passenger/Cargo Van))
- Installation Procedure (Express, Savana (Passenger/Cargo Van))
- Removal Procedure (Express, Savana (Cutaway Van))
- Installation Procedure (Express, Savana (Cutaway Van))
- Removal Procedure (Montana, Silhoutte, Trans Sport, Venture)
- Installation Procedure(Montana, Silhoutte, Trans Sport, Venture)
- Removal Procedure (Tracker)
- Installation Procedure
- Fuel Meter Body Assembly & Injectors (CSI)
- Fuel Pump
- Fuel Rail & Injectors (SFI)
- Idle Air Control Valve
- Intake Manifold Assembly
- Oxygen Sensor
- Throttle Body (CSI)
- Throttle Body (SFI)
- Throttle Position Sensor
- Upper Intake Manifold Assembly (CSI)
- Upper Intake Manifold Assembly (SFI)
- Fuel System (Diesel)
- Turbocharger
- Torque Specifications
- Engine Controls - Removal & Installation
- Engine Controls - Sensor Range Charts
- Engine Controls - Service & Adjustment Specifications
- Model Identification
- Introduction
- Capacities
- Quick-Service
- Mechanical Checks
- Ignition System
- Ignition Coil
- High Tension Wire Resistance
- Spark Plugs
- Firing Order
- Notes
- Firing Order (1.6L, 2.0L & 2.2L)
- Firing Order, Cylinder Identification & Spark Plug Wire Routing (3.4L)
- Firing Order, Cylinder Identification & Spark Plug Wire Routing (4.3L)
- Firing Order & Cylinder identification (4.8L, 5.3L, 6.0L & 6.5L Diesel)
- Firing Order, Cylinder Identification & Spark Plug Wire Routing (5.0L, 5.7L & 7.4L)
- Ignition Timing (Gasoline)
- Injection Pump Timing (Diesel)
- Fuel System
- System
- Engine Control System Self-Diagnostics - Gasoline - 4.3L, 5.0L, 5.7L & 7.4L
- Model Identification
- Introduction
- Self-Diagnostic System
- Description
- Scan Tool Display
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- On-Board Diagnostic (OBD) System Check
- Malfunction Indicator Light Circuit Check
- Data Link Connector Diagnosis Or No Scan Tool Data
- Diagnostic Trouble Code Definitions
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes
- Vehicle Control Module Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Tests
- Notes
- DTC P0101: MAF Sensor Performance
- DTC P0102: MAF Sensor Circuit - Low Frequency
- DTC P0103: MAF Sensor Circuit - High Frequency
- DTC P0106: Map System Performance
- DTC P0107: Map Sensor Circuit - Low Voltage
- DTC P0108: Map Sensor Circuit - High Voltage
- DTC P0112: IAT Sensor Circuit - Low Voltage
- DTC P0113: IAT Sensor Circuit - High Voltage
- DTC P0117: ECT Sensor Circuit - Low Voltage
- DTC P0118: ECT Sensor Circuit - High Voltage
- DTC P0121: TP Sensor Performance
- DTC P0122: TP Sensor Circuit - Low Voltage
- DTC P0123: TP Sensor Circuit - High Voltage
- DTC P0125: Excessive Time To Enter Closed Loop Fuel Control
- DTC P0131: Ho2S Circuit - Low Voltage - Bank 1, Sensor 1
- DTC P0132: Ho2S Circuit - High Voltage - Bank 1, Sensor 1
- DTC P0133: Ho2S Circuit - Slow Response - Bank 1, Sensor 1
- DTC P0134: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 1
- DTC P0135: Ho2S Heater Circuit - Bank 1, Sensor 1
- DTC P0137: Ho2S Circuit - Low Voltage - Bank 1, Sensor 2
- DTC P0138: Ho2S Circuit - High Voltage - Bank 1, Sensor 2 (4.3L)
- DTC P0138: Ho2S Circuit - High Voltage - Bank 1, Sensor 2 (5.0L, 5.7L & 7.4L)
- DTC P0140: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 2
- DTC P0141: Ho2S Heater Circuit - Bank 1, Sensor 2
- DTC P0143: Ho2S Circuit - Low Voltage - Bank 1, Sensor 3
- DTC P0144: Ho2S Circuit - High Voltage - Bank 1, Sensor 3
- DTC P0146: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 3
- DTC P0147: Ho2S Heater Circuit - Bank 1, Sensor 3
- DTC P0151: Ho2S Circuit - Low Voltage - Bank 2, Sensor 1
- DTC P0152: Ho2S Circuit - Voltage High - Bank 2, Sensor 1
- DTC P0153: Ho2S Circuit - Slow Response - Bank 2, Sensor 1
- DTC P0154: Ho2S Circuit - Insufficient Activity - Bank 2, Sensor 1
- DTC P0155: Ho2S Heater Circuit - Bank 2, Sensor 1
- DTC P0157: Ho2S Circuit - Low Voltage - Bank 2, Sensor 2
- DTC P0158: Ho2S Circuit - High Voltage - Bank 2, Sensor 2
- DTC P0160: Ho2S Circuit - Insufficient Activity - Bank 2, Sensor 2
- DTC P0161: Ho2S Heater Circuit - Bank 2, Sensor 2
- DTC P0171: Fuel Trim System Lean - Bank 1
- DTC P0172: Fuel Trim System Rich - Bank 1
- DTC P0174: Fuel Trim System Lean - Bank 2
- DTC P0175: Fuel Trim System Rich - Bank 2
- DTC P0300-P0308: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit - Low Voltage
- DTC P0336: Crankshaft Position Sensor Circuit Performance
- DTC P0337: Crankshaft Position Sensor Circuit - Low Frequency
- DTC P0338: Crankshaft Position Sensor Circuit - High Frequency
- DTC P0339: Crankshaft Position Sensor Circuit - Intermittent
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0341: Camshaft Position Sensor Circuit Performance
- DTC P0401: EGR System - Insufficient Flow
- DTC P0404: EGR Valve Open Pintle Position
- DTC P0405: EGR Pintle Position Circuit - Low Voltage
- DTC P0410: Air Injection System (4.3L)
- DTC P0410: Air Injection System (5.7L & 7.4L)
- DTC P0420: TWC System - Low Efficiency - Bank 1
- DTC P0430: TWC System - Low Efficiency - Bank 2
- DTC P0440: EVAP System
- DTC P0442: EVAP System - Small Leak Detected
- DTC P0446: EVAP Canister Vent Valve Performance
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0461: Fuel Level Sensor Circuit Performance
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage (Single Tank)
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage (Dual Tank)
- DTC P0463: Fuel Level Sensor Circuit - High Voltage (Single Tank)
- DTC P0463: Fuel Level Sensor Circuit - High Voltage (Dual Tank)
- DTC P0500: Vehicle Speed Sensor Circuit
- DTC P0506: Idle Control System - Low Rpm
- DTC P0507: Idle Control System - High Rpm
- DTC P0601: VCM Memory
- DTC P0602: VCM Not Programmed
- DTC P0603: VCM Memory Reset
- DTC P0604: VCM Ram Performance
- DTC P0605: VCM Read Only Memory
- DTC P0704: Clutch Switch Circuit
- DTC P1106: Map Sensor Circuit - Intermittent High Voltage (4.3L)
- DTC P1106: Map Sensor Circuit - Intermittent High Voltage (5.0L, 5.7L & 7.4L)
- DTC P1107: Map Sensor Circuit - Intermittent Low Voltage (4.3L)
- DTC P1107: Map Sensor Circuit - Intermittent Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1111: IAT Sensor Circuit - Intermittent High Voltage
- DTC P1112: IAT Sensor Circuit - Intermittent Low Voltage (4.3L)
- DTC P1112: IAT Sensor Circuit - Intermittent Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1114: ECT Sensor Circuit - Intermittent Low Voltage (4.3L)
- DTC P1114: ECT Sensor Circuit - Intermittent Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1115: ECT Sensor Circuit - Intermittent High Voltage (4.3L)
- DTC P1115: ECT Sensor Circuit - Intermittent High Voltage (5.0L, 5.7L & 7.4L)
- DTC P1121: TP Sensor Circuit - Intermittent High Voltage (4.3L)
- DTC P1121: TP Sensor Circuit - Intermittent High Voltage (5.0L, 5.7L & 7.4L)
- DTC P1122: TP Sensor Circuit - Intermittent Low Voltage (4.3L)
- DTC P1122: TP Sensor Circuit - Intermittent Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1133: Ho2S Circuit - Insufficient Switching - Bank 1, Sensor 1 (4.3L)
- DTC P1133: Ho2S Circuit - Insufficient Switching - Bank 1, Sensor 1 (5.0L, 5.7L & 7.4L)
- DTC P1134: Ho2S Transition Time Ratio - Bank 1, Sensor 1
- DTC P1153: Ho2S Circuit - Insufficient Switching - Bank 2, Sensor 1 (4.3L)
- DTC P1153: Ho2S Circuit - Insufficient Switching - Bank 2, Sensor 1 (5.0L, 5.7L & 7.4L)
- DTC P1154: Ho2S Transition Time Ratio - Bank 2, Sensor 1
- DTC P1201: Gas Mass Sensor Circuit - Range Performance
- DTC P1202: Gas Mass Sensor Circuit - Low Frequency
- DTC P1203: Gas Mass Sensor Circuit - High Frequency
- DTC P1215: Quad Driver Output
- DTC P1336: CKP System Variation Not Learned (4.3L)
- DTC P1336: CKP System Variation Not Learned (5.0L, 5.7L & 7.4L)
- DTC P1345: Crankshaft/Camshaft Position Sensor Correlation (4.3L)
- DTC P1345: Crankshaft/Camshaft Position Sensor Correlation (5.0L, 5.7L & 7.4L)
- DTC P1351: Ignition Control Circuit - High Voltage (4.3L)
- DTC P1351: Ignition Control Circuit - High Voltage (5.0L, 5.7L & 7.4L)
- DTC P1361: Ignition Control Circuit - Low Voltage (4.3L)
- DTC P1361: Ignition Control Circuit - Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1380: EBCM DTC Detected Rough Road Data Unstable (4.3L)
- DTC P1380: EBCM DTC Detected Rough Road Data Unstable (5.0L, 5.7L & 7.4L)
- DTC P1381: Misfire Detected - No EBCM/VCM Serial Data (4.3L)
- DTC P1381: Misfire Detected - No EBCM/VCM Serial Data (5.0L, 5.7L & 7.4L)
- DTC P1404: EGR Valve Closed Pintle Position
- DTC P1415: Air System - Bank 1 (4.3L)
- DTC P1415: Air System - Bank 1 (5.7L & 7.4L)
- DTC P1416: Air System - Bank 1 (4.3L)
- DTC P1416: Air System - Bank 2 (5.7L & 7.4L)
- DTC P1432: Fuel Pressure Sensor Circuit - Low Voltage
- DTC P1433: Fuel Pressure Sensor Circuit - High Voltage
- DTC P1441: EVAP System Flow During Non-Purge (4.3L)
- DTC P1441: EVAP System Flow During Non-Purge (5.0L, 5.7L & 7.4L)
- DTC P1508: Idle Air Control System - Low Rpm (4.3L)
- DTC P1508: Idle Air Control System - Low Rpm (5.0L, 5.7L & 7.4L)
- DTC P1509: Idle Air Control System - High Rpm (4.3L)
- DTC P1509: Idle Air Control System - High Rpm (5.0L, 5.7L & 7.4L)
- DTC P1621: VCM EEPROM Performance (4.3L)
- DTC P1621: VCM EEPROM Performance (5.0L, 5.7L & 7.4L)
- DTC P1626: Loss Of Serial Communication With VTD
- DTC P1631: Theft Deterrent System Password Incorrect
- DTC U1026: Loss Of ATC Class 2 Communication
- DTC U1041: Loss Of EBCM Communication
- DTC U1192: Loss Of EVO/VTD PASSLOCK® Communication
- DTC U1193: Loss Of Vim Communication
- Engine Controls - Basic Diagnostic Procedures
- Model Identification
- Introduction
- Preliminary Inspection & Adjustments
- No Start Diagnosis
- Basic Fuel System Checks (Gasoline)
- Basic Fuel System Checks (Diesel)
- Basic Fuel System Checks (CNG)
- Basic Ignition System Checks
- Idle Speed & Ignition Timing (Gasoline)
- Summary
- Engine Controls - System & Component Tests
- * Please Read This First *
- Model Identification
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Pcm Output Diagnosis (2.2L - VIN 4)
- Pcm Power & Ground Check
- Powertrain Control Module Connector Terminal Identification
- Notes
- Powertrain Control Module Harness Connector End View & Terminal Identification (2.2L - VIN 4)
- Powertrain Control Module Harness Connector End View & Identification (3.4L)
- Powertrain Control Module Harness Connector End View & Terminal Identification (4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L & 7.4L)
- Notes
- Powertrain Control Module Connector Terminal Identification (4.3L - ASTRO & SAFARI)
- Powertrain Control Module Connector Terminal Identification (4.3L - BLAZER, BRAVADA, ENVOY, JIMMY, SONOMA & S10 PICKUP)
- Powertrain Control Module Connector Terminal Identification (4.3L - EXPRESS & SAVANA)
- Powertrain Control Module Connector Terminal Identification (4.3L - SIERRA & SILVERADO)
- Powertrain Control Module Connector Terminal Identification (4.8L, 5.3L & 6.0L)
- Powertrain Control Module Connector Terminal Identification (5.0L & 5.7L GASOLINE - ESCALADE, EXPRESS, SAVANA, PICKUP, TAHOE & YUKON)
- Powertrain Control Module Connector Terminal Identification (5.0L & 5.7L - EXPRESS & SAVANA)
- Powertrain Control Module Connector Terminal Identification (5.7L CNG - PICKUP)
- Powertrain Control Module Connector Terminal Identification (7.4L - EXPRESS & SAVANA)
- Powertrain Control Module Connector Terminal Identification (7.4L - PICKUP)
- Powertrain Control Module Harness Connector End View & Terminal Identification (6.5L)
- Engine Sensors & Switches
- Modules, Motors, Relays & Solenoids
- Fuel System (Gasoline)
- Notes
- Fuel Delivery
- Fuel Control
- Notes
- Fuel Injector Circuit Diagnosis (Except 2.2L & 3.4L)
- Injector Balance Test (2.2L - VIN 4 & 3.4L)
- Injector Balance Test (Except 2.2L & 3.4L)
- Injector Coil Test (Except 2.2L & 3.4L)
- Injector Coil Test - ECT Is 50-95°F (2.2L - VIN 4)
- Injector Coil Test - ECT Is 50-95°F (3.4L)
- Injector Coil Test - ECT Is Not 50-95°F (2.2L - VIN 4)
- Injector Coil Test - ECT Is Not 50-95°F (3.4L)
- Fuel Pump Relay
- Fuel System (Diesel)
- Fuel System (CNG)
- Idle Control System
- Ignition System
- Emission Systems & Sub-Systems (Gasoline)
- Emission Systems & Sub-Systems (Diesel)
- Miscellaneous Controls
- Component Locations
- Component Locations 2.2L (VIN 4) "S" Series
- Component Locations 3.4L (VIN E) "U" Series
- Component Locations 4.3L (VIN W) "G" Series
- Component Locations 4.3L (VIN W) "L" & "M" Series
- Component Locations 4.3L (VIN W & X) "S" & "T" Series
- Component Locations 4.8L (VIN V), 5.3L (VIN T) & 6.0L (VIN U) "C" & "K" Series
- Component Locations 5.0L (VIN M), 5.7L (VIN R) & 7.4L (VIN J) "C" & "K" Series
- Component Locations 5.0L (VIN M) & 5.7L (VIN R) "G" Series
- Component Locations 6.5L (VIN F) "C" & "K" Series
- Component Locations 6.5L (VIN F) "G" Series
- Component Locations 7.4L (VIN J) "G" Series
- Engine Controls - Tests W/O Codes
- Introduction
- Preliminary Inspection
- Symptoms (Gasoline)
- Notes
- Symptom Diagnosis
- Hard Start
- Stalls After Starting
- Hesitation, Sag Or Stumble
- Vehicle Surges Or CHUGGLES
- Lack Of Power Or Sluggish
- Engine Backfires
- Cuts Out, Misses
- Rough, Unstable Or Incorrect Idle
- Engine Will Not Idle
- Poor Fuel Economy
- Engine Dieseling/Run-On
- Detonation/Spark Knock
- Excessive Exhaust Emission (Odors)
- Symptoms (Diesel)
- Turbocharger Trouble Shooting
- INTERMITTENTS
- Engine Controls Self-Diagnostics
- Model Identification
- Introduction
- Self-Diagnostic System
- Description
- Scan Tool Display
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- On-Board Diagnostic System Check
- Malfunction Indicator Light Inoperative
- Data Link Connector Diagnosis Or No Scan Tool Data
- Diagnostic Trouble Code Definition
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes
- Powertrain Control Module Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Tests
- Notes
- DTC P0101: Mass Airflow Sensor System Performance
- DTC P0102: Mass Airflow Sensor Circuit - Low Frequency
- DTC P0103: Mass Airflow Sensor Circuit - High Frequency
- DTC P0107: Manifold Absolute Pressure Sensor Circuit - Low Voltage
- DTC P0108: Manifold Absolute Pressure Sensor Circuit - High Voltage
- DTC P0112: Intake Air Temperature Sensor Circuit - Low Voltage
- DTC P0113: Intake Air Temperature Sensor Circuit - High Voltage
- DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit - High Voltage
- DTC P0121: Throttle Position Sensor Performance
- DTC P0122: Throttle Position Sensor Circuit - Low Voltage
- DTC P0123: Throttle Position Sensor Circuit - High Voltage
- DTC P0125: Engine Coolant Temperature Excessive Time To Enter Closed Loop Fuel Control
- DTC P0131: Heated Oxygen Sensor No. 1 Circuit - Low Voltage
- DTC P0132: Heated Oxygen Sensor No. 1 Circuit - High Voltage
- DTC P0133: Heated Oxygen Sensor No. 1 Circuit - Slow Response
- DTC P0134: Heated Oxygen Sensor No. 1 Circuit Insufficient Activity
- DTC P0135: Heated Oxygen Sensor No. 1 Heater Performance
- DTC P0137: Heated Oxygen Sensor No. 2 Circuit - Low Voltage
- DTC P0138: Heated Oxygen Sensor No. 2 Circuit - High Voltage
- DTC P0140: Heated Oxygen Sensor No. 2 Circuit Insufficient Activity
- DTC P0141: Heated Oxygen Sensor No. 2 Heater Circuit
- DTC P0171: Fuel Trim System Lean
- DTC P0172: Fuel Trim System Rich
- DTC P0201: Injector No. 1 Control Circuit
- DTC P0202: Injector No. 2 Control Circuit
- DTC P0203: Injector No. 3 Control Circuit
- DTC P0204: Injector No. 4 Control Circuit
- DTC P0205: Injector No. 5 Control Circuit
- DTC P0206: Injector No. 6 Control Circuit
- DTC P0230: Fuel Pump Control Circuit
- DTC P0300-P0306: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit - No Activity
- DTC P0336: Crankshaft Position Sensor Circuit Performance
- DTC P0341: Camshaft Position Sensor Circuit
- DTC P0401: EGR System - Insufficient Flow
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0404: EGR Open Position Performance
- DTC P0405: EGR Sensor Circuit - Low Voltage
- DTC P0410: Secondary Air Injection System
- DTC P0412: Secondary Air Injection Solenoid Control Circuit
- DTC P0418: Secondary Air Injection Pump Relay Control Circuit
- DTC P0420: Catalyst System - Low Efficiency
- DTC P0440: Evaporative Emission System
- DTC P0442: Evaporative Emission Control System - Small Leak Detected
- DTC P0443: Evaporative Purge Solenoid Valve Control Circuit
- DTC P0446: Evaporative Emission Vent System Performance
- DTC P0449: Evaporative Vent Solenoid Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage
- DTC P0463: Fuel Level Sensor Circuit - High Voltage
- DTC P0480: Cooling Fan Relay No. 1 Control Circuit
- DTC P0481: Cooling Fan Relay No. 2 Control Circuit
- DTC P0506: Idle Speed - Low
- DTC P0507: Idle Speed - High
- DTC P0530: A/C Refrigerant Pressure Sensor Circuit
- DTC P0560: System Voltage
- DTC P0601: Pcm Memory
- DTC P0602: Pcm Not Programmed
- DTC P0620: Generator Performance
- DTC P0650: Malfunction Indicator Light Control Circuit
- DTC P1106: Manifold Absolute Pressure Sensor Circuit Intermittent High Voltage
- DTC P1107: Manifold Absolute Pressure Sensor Circuit Intermittent Low Voltage
- DTC P1111: Intake Air Temperature Sensor Circuit Intermittent High Voltage
- DTC P1112: Intake Air Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1114: Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1115: Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
- DTC P1121: Throttle Position Sensor Circuit Intermittent High Voltage
- DTC P1122: Throttle Position Sensor Circuit Intermittent Low Voltage
- DTC P1133: Heated Oxygen Sensor No. 1 - Insufficient Switching
- DTC P1134: Heated Oxygen Sensor No. 1 Transition Time Ratio
- DTC P1336: Crankshaft Position System Variation Not Learned
- DTC P1351: Ignition Control Circuit - High Voltage
- DTC P1352: Ignition By-Pass Circuit - High Voltage
- DTC P1361: Ignition Control Circuit - Low Voltage
- DTC P1362: Ignition By-Pass Circuit - Low Voltage
- DTC P1374: Crankshaft Position High-To-Low Resolution Frequency Correlation
- DTC P1380: Misfire Detected - Rough Road Data Not Available
- DTC P1381: Misfire Detected - No Communications With Brake Control Module
- DTC P1404: EGR Valve Closed Position Performance
- DTC P1441: Evaporative Emission System Flow During Non-Purge
- DTC P1483: Engine Cooling System Performance
- DTC P1546: A/C Clutch Relay Control Circuit
- DTC P1554: Cruise Control Feedback Circuit
- DTC P1571: Traction Control Torque Request Circuit
- DTC P1585: Cruise Control Inhibit Output Circuit
- DTC P1626: Theft Deterrent Fuel Enable Signal Lost
- DTC P1630: Theft Deterrent Learn Mode Active
- DTC P1631: Theft Deterrent Start Enable Signal Not Correct
- DTC P1635: 5-Volt Reference "A" Circuit
- DTC P1639: 5-Volt Reference "B" Circuit
- DTC P1689: Traction Control Delivered Torque Output Circuit
- Testing Wiring Systems For Intermittent & Poor Connections
- Service Precautions
- Intermittent Or Poor Connections
- Inducing Intermittent Fault Conditions
- Testing for Electrical Intermittents
- Testing for Short to Ground
- Testing for Continuity
- Testing for a Short to Voltage
- Troubleshooting with a Digital Multimeter
- Troubleshooting with a Test Lamp
- Probing Electrical Connectors
- Engine Control System Self-Diagnostics - Gasoline - 4.3L, 5.0L, 5.7L & 7.4L
- Testing & Diagnosis
- Engine Control System Self-Diagnostics - Gasoline - 4.3L, 5.0L, 5.7L & 7.4L
- Model Identification
- Introduction
- Self-Diagnostic System
- Description
- Scan Tool Display
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- On-Board Diagnostic (OBD) System Check
- Malfunction Indicator Light Circuit Check
- Data Link Connector Diagnosis Or No Scan Tool Data
- Diagnostic Trouble Code Definitions
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes
- Vehicle Control Module Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Tests
- Notes
- DTC P0101: MAF Sensor Performance
- DTC P0102: MAF Sensor Circuit - Low Frequency
- DTC P0103: MAF Sensor Circuit - High Frequency
- DTC P0106: Map System Performance
- DTC P0107: Map Sensor Circuit - Low Voltage
- DTC P0108: Map Sensor Circuit - High Voltage
- DTC P0112: IAT Sensor Circuit - Low Voltage
- DTC P0113: IAT Sensor Circuit - High Voltage
- DTC P0117: ECT Sensor Circuit - Low Voltage
- DTC P0118: ECT Sensor Circuit - High Voltage
- DTC P0121: TP Sensor Performance
- DTC P0122: TP Sensor Circuit - Low Voltage
- DTC P0123: TP Sensor Circuit - High Voltage
- DTC P0125: Excessive Time To Enter Closed Loop Fuel Control
- DTC P0131: Ho2S Circuit - Low Voltage - Bank 1, Sensor 1
- DTC P0132: Ho2S Circuit - High Voltage - Bank 1, Sensor 1
- DTC P0133: Ho2S Circuit - Slow Response - Bank 1, Sensor 1
- DTC P0134: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 1
- DTC P0135: Ho2S Heater Circuit - Bank 1, Sensor 1
- DTC P0137: Ho2S Circuit - Low Voltage - Bank 1, Sensor 2
- DTC P0138: Ho2S Circuit - High Voltage - Bank 1, Sensor 2 (4.3L)
- DTC P0138: Ho2S Circuit - High Voltage - Bank 1, Sensor 2 (5.0L, 5.7L & 7.4L)
- DTC P0140: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 2
- DTC P0141: Ho2S Heater Circuit - Bank 1, Sensor 2
- DTC P0143: Ho2S Circuit - Low Voltage - Bank 1, Sensor 3
- DTC P0144: Ho2S Circuit - High Voltage - Bank 1, Sensor 3
- DTC P0146: Ho2S Circuit - Insufficient Activity - Bank 1, Sensor 3
- DTC P0147: Ho2S Heater Circuit - Bank 1, Sensor 3
- DTC P0151: Ho2S Circuit - Low Voltage - Bank 2, Sensor 1
- DTC P0152: Ho2S Circuit - Voltage High - Bank 2, Sensor 1
- DTC P0153: Ho2S Circuit - Slow Response - Bank 2, Sensor 1
- DTC P0154: Ho2S Circuit - Insufficient Activity - Bank 2, Sensor 1
- DTC P0155: Ho2S Heater Circuit - Bank 2, Sensor 1
- DTC P0157: Ho2S Circuit - Low Voltage - Bank 2, Sensor 2
- DTC P0158: Ho2S Circuit - High Voltage - Bank 2, Sensor 2
- DTC P0160: Ho2S Circuit - Insufficient Activity - Bank 2, Sensor 2
- DTC P0161: Ho2S Heater Circuit - Bank 2, Sensor 2
- DTC P0171: Fuel Trim System Lean - Bank 1
- DTC P0172: Fuel Trim System Rich - Bank 1
- DTC P0174: Fuel Trim System Lean - Bank 2
- DTC P0175: Fuel Trim System Rich - Bank 2
- DTC P0300-P0308: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit - Low Voltage
- DTC P0336: Crankshaft Position Sensor Circuit Performance
- DTC P0337: Crankshaft Position Sensor Circuit - Low Frequency
- DTC P0338: Crankshaft Position Sensor Circuit - High Frequency
- DTC P0339: Crankshaft Position Sensor Circuit - Intermittent
- DTC P0340: Camshaft Position Sensor Circuit
- DTC P0341: Camshaft Position Sensor Circuit Performance
- DTC P0401: EGR System - Insufficient Flow
- DTC P0404: EGR Valve Open Pintle Position
- DTC P0405: EGR Pintle Position Circuit - Low Voltage
- DTC P0410: Air Injection System (4.3L)
- DTC P0410: Air Injection System (5.7L & 7.4L)
- DTC P0420: TWC System - Low Efficiency - Bank 1
- DTC P0430: TWC System - Low Efficiency - Bank 2
- DTC P0440: EVAP System
- DTC P0442: EVAP System - Small Leak Detected
- DTC P0446: EVAP Canister Vent Valve Performance
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0461: Fuel Level Sensor Circuit Performance
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage (Single Tank)
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage (Dual Tank)
- DTC P0463: Fuel Level Sensor Circuit - High Voltage (Single Tank)
- DTC P0463: Fuel Level Sensor Circuit - High Voltage (Dual Tank)
- DTC P0500: Vehicle Speed Sensor Circuit
- DTC P0506: Idle Control System - Low Rpm
- DTC P0507: Idle Control System - High Rpm
- DTC P0601: VCM Memory
- DTC P0602: VCM Not Programmed
- DTC P0603: VCM Memory Reset
- DTC P0604: VCM Ram Performance
- DTC P0605: VCM Read Only Memory
- DTC P0704: Clutch Switch Circuit
- DTC P1106: Map Sensor Circuit - Intermittent High Voltage (4.3L)
- DTC P1106: Map Sensor Circuit - Intermittent High Voltage (5.0L, 5.7L & 7.4L)
- DTC P1107: Map Sensor Circuit - Intermittent Low Voltage (4.3L)
- DTC P1107: Map Sensor Circuit - Intermittent Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1111: IAT Sensor Circuit - Intermittent High Voltage
- DTC P1112: IAT Sensor Circuit - Intermittent Low Voltage (4.3L)
- DTC P1112: IAT Sensor Circuit - Intermittent Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1114: ECT Sensor Circuit - Intermittent Low Voltage (4.3L)
- DTC P1114: ECT Sensor Circuit - Intermittent Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1115: ECT Sensor Circuit - Intermittent High Voltage (4.3L)
- DTC P1115: ECT Sensor Circuit - Intermittent High Voltage (5.0L, 5.7L & 7.4L)
- DTC P1121: TP Sensor Circuit - Intermittent High Voltage (4.3L)
- DTC P1121: TP Sensor Circuit - Intermittent High Voltage (5.0L, 5.7L & 7.4L)
- DTC P1122: TP Sensor Circuit - Intermittent Low Voltage (4.3L)
- DTC P1122: TP Sensor Circuit - Intermittent Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1133: Ho2S Circuit - Insufficient Switching - Bank 1, Sensor 1 (4.3L)
- DTC P1133: Ho2S Circuit - Insufficient Switching - Bank 1, Sensor 1 (5.0L, 5.7L & 7.4L)
- DTC P1134: Ho2S Transition Time Ratio - Bank 1, Sensor 1
- DTC P1153: Ho2S Circuit - Insufficient Switching - Bank 2, Sensor 1 (4.3L)
- DTC P1153: Ho2S Circuit - Insufficient Switching - Bank 2, Sensor 1 (5.0L, 5.7L & 7.4L)
- DTC P1154: Ho2S Transition Time Ratio - Bank 2, Sensor 1
- DTC P1201: Gas Mass Sensor Circuit - Range Performance
- DTC P1202: Gas Mass Sensor Circuit - Low Frequency
- DTC P1203: Gas Mass Sensor Circuit - High Frequency
- DTC P1215: Quad Driver Output
- DTC P1336: CKP System Variation Not Learned (4.3L)
- DTC P1336: CKP System Variation Not Learned (5.0L, 5.7L & 7.4L)
- DTC P1345: Crankshaft/Camshaft Position Sensor Correlation (4.3L)
- DTC P1345: Crankshaft/Camshaft Position Sensor Correlation (5.0L, 5.7L & 7.4L)
- DTC P1351: Ignition Control Circuit - High Voltage (4.3L)
- DTC P1351: Ignition Control Circuit - High Voltage (5.0L, 5.7L & 7.4L)
- DTC P1361: Ignition Control Circuit - Low Voltage (4.3L)
- DTC P1361: Ignition Control Circuit - Low Voltage (5.0L, 5.7L & 7.4L)
- DTC P1380: EBCM DTC Detected Rough Road Data Unstable (4.3L)
- DTC P1380: EBCM DTC Detected Rough Road Data Unstable (5.0L, 5.7L & 7.4L)
- DTC P1381: Misfire Detected - No EBCM/VCM Serial Data (4.3L)
- DTC P1381: Misfire Detected - No EBCM/VCM Serial Data (5.0L, 5.7L & 7.4L)
- DTC P1404: EGR Valve Closed Pintle Position
- DTC P1415: Air System - Bank 1 (4.3L)
- DTC P1415: Air System - Bank 1 (5.7L & 7.4L)
- DTC P1416: Air System - Bank 1 (4.3L)
- DTC P1416: Air System - Bank 2 (5.7L & 7.4L)
- DTC P1432: Fuel Pressure Sensor Circuit - Low Voltage
- DTC P1433: Fuel Pressure Sensor Circuit - High Voltage
- DTC P1441: EVAP System Flow During Non-Purge (4.3L)
- DTC P1441: EVAP System Flow During Non-Purge (5.0L, 5.7L & 7.4L)
- DTC P1508: Idle Air Control System - Low Rpm (4.3L)
- DTC P1508: Idle Air Control System - Low Rpm (5.0L, 5.7L & 7.4L)
- DTC P1509: Idle Air Control System - High Rpm (4.3L)
- DTC P1509: Idle Air Control System - High Rpm (5.0L, 5.7L & 7.4L)
- DTC P1621: VCM EEPROM Performance (4.3L)
- DTC P1621: VCM EEPROM Performance (5.0L, 5.7L & 7.4L)
- DTC P1626: Loss Of Serial Communication With VTD
- DTC P1631: Theft Deterrent System Password Incorrect
- DTC U1026: Loss Of ATC Class 2 Communication
- DTC U1041: Loss Of EBCM Communication
- DTC U1192: Loss Of EVO/VTD PASSLOCK® Communication
- DTC U1193: Loss Of Vim Communication
- Engine Controls - Basic Diagnostic Procedures
- Model Identification
- Introduction
- Preliminary Inspection & Adjustments
- No Start Diagnosis
- Basic Fuel System Checks (Gasoline)
- Basic Fuel System Checks (Diesel)
- Basic Fuel System Checks (CNG)
- Basic Ignition System Checks
- Idle Speed & Ignition Timing (Gasoline)
- Summary
- Engine Controls - System & Component Tests
- * Please Read This First *
- Model Identification
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Pcm Output Diagnosis (2.2L - VIN 4)
- Pcm Power & Ground Check
- Powertrain Control Module Connector Terminal Identification
- Notes
- Powertrain Control Module Harness Connector End View & Terminal Identification (2.2L - VIN 4)
- Powertrain Control Module Harness Connector End View & Identification (3.4L)
- Powertrain Control Module Harness Connector End View & Terminal Identification (4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L & 7.4L)
- Notes
- Powertrain Control Module Connector Terminal Identification (4.3L - ASTRO & SAFARI)
- Powertrain Control Module Connector Terminal Identification (4.3L - BLAZER, BRAVADA, ENVOY, JIMMY, SONOMA & S10 PICKUP)
- Powertrain Control Module Connector Terminal Identification (4.3L - EXPRESS & SAVANA)
- Powertrain Control Module Connector Terminal Identification (4.3L - SIERRA & SILVERADO)
- Powertrain Control Module Connector Terminal Identification (4.8L, 5.3L & 6.0L)
- Powertrain Control Module Connector Terminal Identification (5.0L & 5.7L GASOLINE - ESCALADE, EXPRESS, SAVANA, PICKUP, TAHOE & YUKON)
- Powertrain Control Module Connector Terminal Identification (5.0L & 5.7L - EXPRESS & SAVANA)
- Powertrain Control Module Connector Terminal Identification (5.7L CNG - PICKUP)
- Powertrain Control Module Connector Terminal Identification (7.4L - EXPRESS & SAVANA)
- Powertrain Control Module Connector Terminal Identification (7.4L - PICKUP)
- Powertrain Control Module Harness Connector End View & Terminal Identification (6.5L)
- Engine Sensors & Switches
- Modules, Motors, Relays & Solenoids
- Fuel System (Gasoline)
- Notes
- Fuel Delivery
- Fuel Control
- Notes
- Fuel Injector Circuit Diagnosis (Except 2.2L & 3.4L)
- Injector Balance Test (2.2L - VIN 4 & 3.4L)
- Injector Balance Test (Except 2.2L & 3.4L)
- Injector Coil Test (Except 2.2L & 3.4L)
- Injector Coil Test - ECT Is 50-95°F (2.2L - VIN 4)
- Injector Coil Test - ECT Is 50-95°F (3.4L)
- Injector Coil Test - ECT Is Not 50-95°F (2.2L - VIN 4)
- Injector Coil Test - ECT Is Not 50-95°F (3.4L)
- Fuel Pump Relay
- Fuel System (Diesel)
- Fuel System (CNG)
- Idle Control System
- Ignition System
- Emission Systems & Sub-Systems (Gasoline)
- Emission Systems & Sub-Systems (Diesel)
- Miscellaneous Controls
- Component Locations
- Component Locations 2.2L (VIN 4) "S" Series
- Component Locations 3.4L (VIN E) "U" Series
- Component Locations 4.3L (VIN W) "G" Series
- Component Locations 4.3L (VIN W) "L" & "M" Series
- Component Locations 4.3L (VIN W & X) "S" & "T" Series
- Component Locations 4.8L (VIN V), 5.3L (VIN T) & 6.0L (VIN U) "C" & "K" Series
- Component Locations 5.0L (VIN M), 5.7L (VIN R) & 7.4L (VIN J) "C" & "K" Series
- Component Locations 5.0L (VIN M) & 5.7L (VIN R) "G" Series
- Component Locations 6.5L (VIN F) "C" & "K" Series
- Component Locations 6.5L (VIN F) "G" Series
- Component Locations 7.4L (VIN J) "G" Series
- Engine Controls - Tests W/O Codes
- Introduction
- Preliminary Inspection
- Symptoms (Gasoline)
- Notes
- Symptom Diagnosis
- Hard Start
- Stalls After Starting
- Hesitation, Sag Or Stumble
- Vehicle Surges Or CHUGGLES
- Lack Of Power Or Sluggish
- Engine Backfires
- Cuts Out, Misses
- Rough, Unstable Or Incorrect Idle
- Engine Will Not Idle
- Poor Fuel Economy
- Engine Dieseling/Run-On
- Detonation/Spark Knock
- Excessive Exhaust Emission (Odors)
- Symptoms (Diesel)
- Turbocharger Trouble Shooting
- INTERMITTENTS
- Engine Controls Self-Diagnostics
- Model Identification
- Introduction
- Self-Diagnostic System
- Description
- Scan Tool Display
- Diagnostic Procedure
- Retrieving Diagnostic Trouble Codes
- On-Board Diagnostic System Check
- Malfunction Indicator Light Inoperative
- Data Link Connector Diagnosis Or No Scan Tool Data
- Diagnostic Trouble Code Definition
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes
- Powertrain Control Module Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Tests
- Notes
- DTC P0101: Mass Airflow Sensor System Performance
- DTC P0102: Mass Airflow Sensor Circuit - Low Frequency
- DTC P0103: Mass Airflow Sensor Circuit - High Frequency
- DTC P0107: Manifold Absolute Pressure Sensor Circuit - Low Voltage
- DTC P0108: Manifold Absolute Pressure Sensor Circuit - High Voltage
- DTC P0112: Intake Air Temperature Sensor Circuit - Low Voltage
- DTC P0113: Intake Air Temperature Sensor Circuit - High Voltage
- DTC P0117: Engine Coolant Temperature Sensor Circuit - Low Voltage
- DTC P0118: Engine Coolant Temperature Sensor Circuit - High Voltage
- DTC P0121: Throttle Position Sensor Performance
- DTC P0122: Throttle Position Sensor Circuit - Low Voltage
- DTC P0123: Throttle Position Sensor Circuit - High Voltage
- DTC P0125: Engine Coolant Temperature Excessive Time To Enter Closed Loop Fuel Control
- DTC P0131: Heated Oxygen Sensor No. 1 Circuit - Low Voltage
- DTC P0132: Heated Oxygen Sensor No. 1 Circuit - High Voltage
- DTC P0133: Heated Oxygen Sensor No. 1 Circuit - Slow Response
- DTC P0134: Heated Oxygen Sensor No. 1 Circuit Insufficient Activity
- DTC P0135: Heated Oxygen Sensor No. 1 Heater Performance
- DTC P0137: Heated Oxygen Sensor No. 2 Circuit - Low Voltage
- DTC P0138: Heated Oxygen Sensor No. 2 Circuit - High Voltage
- DTC P0140: Heated Oxygen Sensor No. 2 Circuit Insufficient Activity
- DTC P0141: Heated Oxygen Sensor No. 2 Heater Circuit
- DTC P0171: Fuel Trim System Lean
- DTC P0172: Fuel Trim System Rich
- DTC P0201: Injector No. 1 Control Circuit
- DTC P0202: Injector No. 2 Control Circuit
- DTC P0203: Injector No. 3 Control Circuit
- DTC P0204: Injector No. 4 Control Circuit
- DTC P0205: Injector No. 5 Control Circuit
- DTC P0206: Injector No. 6 Control Circuit
- DTC P0230: Fuel Pump Control Circuit
- DTC P0300-P0306: Engine Misfire Detected
- DTC P0325: Knock Sensor Module Circuit
- DTC P0327: Knock Sensor Circuit - No Activity
- DTC P0336: Crankshaft Position Sensor Circuit Performance
- DTC P0341: Camshaft Position Sensor Circuit
- DTC P0401: EGR System - Insufficient Flow
- DTC P0403: EGR Solenoid Control Circuit
- DTC P0404: EGR Open Position Performance
- DTC P0405: EGR Sensor Circuit - Low Voltage
- DTC P0410: Secondary Air Injection System
- DTC P0412: Secondary Air Injection Solenoid Control Circuit
- DTC P0418: Secondary Air Injection Pump Relay Control Circuit
- DTC P0420: Catalyst System - Low Efficiency
- DTC P0440: Evaporative Emission System
- DTC P0442: Evaporative Emission Control System - Small Leak Detected
- DTC P0443: Evaporative Purge Solenoid Valve Control Circuit
- DTC P0446: Evaporative Emission Vent System Performance
- DTC P0449: Evaporative Vent Solenoid Control Circuit
- DTC P0452: Fuel Tank Pressure Sensor Circuit - Low Voltage
- DTC P0453: Fuel Tank Pressure Sensor Circuit - High Voltage
- DTC P0462: Fuel Level Sensor Circuit - Low Voltage
- DTC P0463: Fuel Level Sensor Circuit - High Voltage
- DTC P0480: Cooling Fan Relay No. 1 Control Circuit
- DTC P0481: Cooling Fan Relay No. 2 Control Circuit
- DTC P0506: Idle Speed - Low
- DTC P0507: Idle Speed - High
- DTC P0530: A/C Refrigerant Pressure Sensor Circuit
- DTC P0560: System Voltage
- DTC P0601: Pcm Memory
- DTC P0602: Pcm Not Programmed
- DTC P0620: Generator Performance
- DTC P0650: Malfunction Indicator Light Control Circuit
- DTC P1106: Manifold Absolute Pressure Sensor Circuit Intermittent High Voltage
- DTC P1107: Manifold Absolute Pressure Sensor Circuit Intermittent Low Voltage
- DTC P1111: Intake Air Temperature Sensor Circuit Intermittent High Voltage
- DTC P1112: Intake Air Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1114: Engine Coolant Temperature Sensor Circuit Intermittent Low Voltage
- DTC P1115: Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
- DTC P1121: Throttle Position Sensor Circuit Intermittent High Voltage
- DTC P1122: Throttle Position Sensor Circuit Intermittent Low Voltage
- DTC P1133: Heated Oxygen Sensor No. 1 - Insufficient Switching
- DTC P1134: Heated Oxygen Sensor No. 1 Transition Time Ratio
- DTC P1336: Crankshaft Position System Variation Not Learned
- DTC P1351: Ignition Control Circuit - High Voltage
- DTC P1352: Ignition By-Pass Circuit - High Voltage
- DTC P1361: Ignition Control Circuit - Low Voltage
- DTC P1362: Ignition By-Pass Circuit - Low Voltage
- DTC P1374: Crankshaft Position High-To-Low Resolution Frequency Correlation
- DTC P1380: Misfire Detected - Rough Road Data Not Available
- DTC P1381: Misfire Detected - No Communications With Brake Control Module
- DTC P1404: EGR Valve Closed Position Performance
- DTC P1441: Evaporative Emission System Flow During Non-Purge
- DTC P1483: Engine Cooling System Performance
- DTC P1546: A/C Clutch Relay Control Circuit
- DTC P1554: Cruise Control Feedback Circuit
- DTC P1571: Traction Control Torque Request Circuit
- DTC P1585: Cruise Control Inhibit Output Circuit
- DTC P1626: Theft Deterrent Fuel Enable Signal Lost
- DTC P1630: Theft Deterrent Learn Mode Active
- DTC P1631: Theft Deterrent Start Enable Signal Not Correct
- DTC P1635: 5-Volt Reference "A" Circuit
- DTC P1639: 5-Volt Reference "B" Circuit
- DTC P1689: Traction Control Delivered Torque Output Circuit
- Testing Wiring Systems For Intermittent & Poor Connections
- Service Precautions
- Intermittent Or Poor Connections
- Inducing Intermittent Fault Conditions
- Testing for Electrical Intermittents
- Testing for Short to Ground
- Testing for Continuity
- Testing for a Short to Voltage
- Troubleshooting with a Digital Multimeter
- Troubleshooting with a Test Lamp
- Probing Electrical Connectors
- Engine Control System Self-Diagnostics - Gasoline - 4.3L, 5.0L, 5.7L & 7.4L
- Theory and Operation
- Engine Controls - Theory & Operation
- Model Identification
- Introduction
- Air Induction System
- Computerized Engine Controls (Gasoline Engines)
- Notes
- Powertrain Control Module & Vehicle Control Module
- Input Devices
- Notes
- A/C On (A/C Request) Signal
- Battery Voltage
- Brake Switch Feedback
- Camshaft Position Sensor (Except 3.4L)
- Camshaft Position Sensor (3.4L)
- Cranking Signal
- Crankshaft Position Sensor
- Digital Ratio Adapter Controller
- Engine Coolant Temperature Sensor
- Exhaust Gas Recirculation Pintle Position Sensor
- Fuel Pump Feedback
- Gear Switches
- Intake Air Temperature Sensor
- Knock Sensor
- Manifold Absolute Pressure Sensor
- Oxygen Sensor
- Park/Neutral Position Switch
- Transmission Fluid Pressure Switch
- Throttle Position Sensor
- Transmission Fluid Temperature Sensor
- Vehicle Speed Sensor
- Output Signals
- Notes
- A/C Clutch Relay
- Cruise Control Stepper Motor
- Malfunction Indicator Light (MIL)
- EGR System
- Electronic Ignition (EI)
- Fuel Injectors
- Fuel Pump & Fuel Pump Relay
- Idle Air Control (IAC) Valve
- Self-Diagnostics
- Serial Data
- Shift Solenoids (Electronic Transmission)
- Torque Converter Clutch (TCC)
- Transmission Shift Light (Manual Transmission)
- Computerized Engine Controls (Diesel Engines)
- Notes
- Powertrain Control Module
- Input Devices
- Notes
- Accelerator Pedal Position Sensor
- Barometric Absolute Pressure Sensor
- Boost Sensor
- Crankshaft Position Sensor
- Engine Coolant Temperature Sensor
- Fuel Temperature Sensor
- Injection Pump Cam Signal
- Intake Air Temperature (IAT) Sensor
- Manifold Absolute Pressure Sensor
- Transmission Fluid Temperature Sensor
- Vehicle Speed Sensor
- Output Signals
- Fuel System (Gasoline Engines)
- Fuel System (Diesel Engines)
- Ignition System (Gasoline Engines)
- Emission Systems (Gasoline Engines)
- Emission Systems (Diesel Engines)
- Self-Diagnostic System
- Miscellaneous Pcm/VCM Controls
- Engine Controls - Theory & Operation
- Engine Vacuum Diagrams
- Engine Performance - Wiring Diagrams
- ALERO & Grand Am
- Astro & Safari
- Blazer, BRAVADA, Envoy, Jimmy, SONOMA & S10 Pickup
- BONNEVILLE & LESABRE
- CAMARO & Firebird
- CATERA
- Cavalier & SUNFIRE
- Century
- Chevy Express & SAVANA
- Corvette
- DEVILLE & SEVILLE
- ELDORADO
- Escalade, Pickup, Suburban, TAHOE & YUKON DENALI
- Grand PRIX
- Impala & Monte CARLO
- Intrigue
- Lumina
- MALIBU
- Metro & Firefly (CANADIAN)
- MONTANA, Silhouette & Venture
- Park Avenue
- PRIZM
- Regal
- SATURN
- Sierra, SILVERADO, TAHOE & YUKON XL
- Tracker
- General Information
- Abbreviations
- Basic Trouble Shooting
- Basic Trouble Shooting - General Information
- Commonly Used Abbreviations - General Information
- Emission Control Abbreviations
- Engine Performance - Trouble Shooting - General Information
- Brakes
- Anti-Lock Brake Safety Precautions - General Information
- Map - Brake Systems
- Brake Systems
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Accelerometers
- Accumulators
- Anchor Pins
- Anti-Lock Brake Control Assembly(Module)
- Anti-Lock Brake Controller
- Anti-Lock Brake Systems
- Axle Seal
- Backing Plates
- Bleeder Screw
- Brake Abs Active Light (Blue)
- Brake Fluid
- Brake Friction Material
- Brake On - Off Switch
- Brake Pads
- Brake Pedals
- Brake Shoe Hardware
- Brake Shoes
- Brake Stoplight Switches
- Brake Warning Light (Amber)
- Brake Warning Light (Red)
- Bulb Sockets
- Bulbs And LEDS
- Caliper Hardware
- Caliper Mounting Pin
- Caliper Piston
- Caliper Shim
- Caliper Slider Pin (Bolt) Dust Boot
- Caliper Slider Pin (Bolt)
- Calipers
- Combination Valve
- Controllers
- Digital Ratio Axle Controllers And Buffers (Drab And Dram)
- Disable Switches
- Drums
- Electrical Brake Pumps
- Electrical Park Motor
- Electrical Pumps And Motors
- Electro-Magnetic Interference
- Electronic Brake Control Modulator
- Electronic Brake Distribution
- Electronic Brake Traction Control Module
- Electronic Controllers
- Electronic Traction Control
- External Brake Cable
- Flow Control Valve
- Fluid Level Sensor Switches
- Fluid
- Four Wheel Drive Switches
- Friction Material
- G Sensors
- Gaskets
- Gravitational Switches
- Grease Seal
- Height Sensing Proportioning Valve
- High Pressure Accumulator
- Hoses
- Hub
- Hydraulic Control Unit
- Hydraulic Modulators
- Hydro-Boosters
- Hydro-Electric Boosters (POWERMASTER)
- Ignition Disable Switches
- Lamp Driver Relay
- Lateral Acceleration Switches
- LEDS
- Lenses
- Low Pressure Accumulator
- Lug Nut
- Master Cylinder Cover Gasket
- Master Cylinders
- Modulators
- Motor Pack
- Motors
- Pads
- Parking Brake Cable
- Parking Brake Mechanism
- Parking Brake Shoes
- Parking Brake Switches
- Parking Brake Systems
- Pedal Travel Switches
- Pedals
- Power Distribution Center
- POWERMASTER
- Pressure Differential Switches
- Pressure Switches
- Pressure Transducers
- Proportioning Valve
- Pumps
- Relays
- RELUCTOR (Speed) Ring
- Rotors
- Self-Adjusting Systems
- Shoe Hardware
- Shoes
- Sockets
- Speed Sensor (RELUCTOR) Ring
- Speed Sensors (Electronic Wheel And Vehicle)
- Star Wheel
- Steel Brake Lines
- Stoplight Switches
- Stroke Sensor
- Switches
- Tires
- Tone Ring
- Toothed Rings (Tone Wheel)
- Traction Control System (TCS)
- Transfer Tubes
- Vacuum Boosters
- Vacuum Hoses
- Valves
- Wear Indicator
- Wheel Attachment Hardware
- Wheel Bearings, Races And Seals
- Wheel Cylinders
- Wiring Harnesses
- Yaw Rate Sensor
- Brake System CHECKSHEET
- Reason Code Explanation
- Automotive Terminology & Definitions
- Brake Systems
- Map - Routine Inspection Reference Guide
- Routine Inspection Reference Guide
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Maintenance Overview
- Antifreeze/Coolant
- Visual Inspection
- Radiator Cap Test
- Engine Fan
- Cooling System Power Flush And Refill
- Belts (Except Timing Belts)
- Belt TENSIONER
- Automatic Transmission Fluid
- Automatic Transmission Fluid Exchange & Filter Replacement
- Engine Oil
- Air Filters
- Cabin Air Filter
- Brake Fluid
- Battery
- Battery Cables
- Power Steering
- Power Steering Fluid
- Wiper Blades
- Routine Inspection CHECKSHEET
- Routine Inspection - UICS
- Brake Systems
- Drivetrain And Transmission
- Notes
- Automatic Transmission Fluid
- Clutch Master Cylinders
- Cooler Lines
- Coolers
- Differential Fluid
- Drain Plugs And Gaskets
- Filters And Screens
- Fluids And Lubricants
- Hoses, Lines, And Tubes
- Hydraulic Fluid
- Lubricants
- Manual Transmission Fluid
- Mounts (Engine, Transaxle And Transmission)
- Transfer Case Fluid
- Vacuum Hoses
- Electrical Systems
- Engine Performance And Maintenance
- Notes
- Accessory Belts
- Air Filter Elements
- Air Filter Gaskets
- Air Filter Housings And Gaskets
- Air Pump Belts
- Batteries
- Battery Connectors
- Belt Idler Assemblies (Accessory And Cam Belts)
- Belt TENSIONERS (Accessory And Cam Belt)
- Chemical Engine DECARBONIZATION
- Combustion Chamber Cleaning
- Coolant Recovery Tanks
- Coolant
- Distributor Caps
- Distributor Rotors
- Engine Cooling Systems
- Engine DECARBONIZATION
- Engine Oil Drain Plugs And Gaskets
- Engine Oil Filters And Canisters
- Engine Oil
- Fuel Filters
- Fuel Injector Cleaning
- Fuel Injectors
- Fuel System Cleaning Service
- Hose Clamps
- Hose Connectors
- Hose Couplers
- Hoses And Tubes (Fuel Lines, Radiator, Vacuum, By-Pass, Heater, Recovery Tank And Oil Coolers)
- Ignition Wires (Secondary)
- Intake Cleaning
- O2 Sensors
- PCV Breather Elements
- PCV Valves
- Radiator Caps And Pressurized Expansion Tank Caps
- Spark Plugs
- Thermostats And Housings
- Throttle Body Cleaning
- Timing Belts
- Vacuum Hoses, Tubes And Connections (Non-Metallic)
- Exhaust Systems
- Heating, Ventilation And Air Conditioning Systems
- Steering And Suspension, Wheel Alignment, Wheels And Tires
- Wheel & Tire Supplement
- Reason Code Explanation
- Automotive Terminology & Definitions
- Routine Inspection Reference Guide
- Check Lists
- Computer Relearn Procedures
- Introduction
- Relearn Procedures (Cars)
- Notes
- ALERO, Grand Am & MALIBU
- Notes
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (2.4L)
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (Alero 3.4L & Grand Am 3.4L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (2.4L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (3.1L & 3.4L)
- Password Learn Procedure For Anti-Theft System (Malibu)
- Password Learn Procedure For Passlock(TM) Anti-Theft System (Alero 3.4L & Grand Am 3.4L)
- Vehicle Driveability Computer Relearn Procedure (A/T Models)
- Vehicle Driveability Computer Relearn Procedure (M/T Models)
- BONNEVILLE & LE Sabre
- Notes
- Crankshaft Position (CKP) Sensor Variation Learn Procedure
- Dash Integration Module (DIM) Programming (Bonneville)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming
- PASS-Key(R) III System Auto Learn Procedure
- PASS-Key(R) III System Quick Learn Procedure
- Rear Integration Module (RIM) Programming (Bonneville)
- Vehicle Driveability Computer Relearn Procedure
- CAMARO & Firebird
- Notes
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (3.8L)
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (5.7L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming
- Idle Learn Procedure (5.7L)
- Programming New Body Control Module (BCM)
- Vehicle Driveability Computer Relearn Procedure (All Models)
- CATERA
- Cavalier & SUNFIRE
- Century, Grand PRIX, Intrigue, Lumina, Monte CARLO & Regal
- Notes
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (3.1L)
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (3.5L & 3.8L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming
- PASS-Key(R) III Module Programming (Grand Prix)
- PASS-Key(R) III System Auto Learn Procedure (Grand Prix)
- PASS-Key(R) III System Quick Learn Procedure (Grand Prix)
- Passlock(TM) Theft Deterrent Relearn (Intrigue)
- PASSLOCK(TM) 30 Minute Relearn Procedure (Impala & Monte Carlo)
- Programming New Theft Deterrent Module (Lumina)
- Vehicle Driveability Computer Relearn Procedure
- Corvette
- DEVILLE, ELDORADO & SEVILLE
- Metro & Firefly (CANADIAN)
- Park Avenue
- PRIZM
- SATURN
- Relearn Procedures (Trucks & Vans)
- Notes
- Astro & Safari
- Blazer, BRAVADA, Envoy, Jimmy, Pickup & SONOMA
- Notes
- BCM Programming
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (2.2L & 4.3L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (2.2L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (4.3L)
- Passlock(TM) Anti-Theft Learn Procedure
- Vehicle Driveability Computer Relearn Procedure (2.2L)
- Vehicle Driveability Computer Relearn Procedure (4.3L)
- Cutaway, Express, RV Cutaway & SAVANA
- Notes
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (4.3L, 4.8L, 5.0L, 5.3L, 5.7L & 6.0L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (7.4L)
- Powertrain Control Module (PCM) Programming (6.5L Diesel)
- TDC Offset Learn Procedure (6.5L Diesel)
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (4.3L, 5.0L, 5.7L & 7.4L Except Calif.)
- Password Learn Procedure For Anti-Theft System (4.3L, 5.0L & 5.7L)
- Password Learn Procedure For Anti-Theft System (6.5L Diesel)
- Password Learn Procedure For Anti-Theft System (7.4L)
- Vehicle Driveability Computer Relearn Procedure (4.3L, 5.0L, 5.7L & 7.4L)
- Vehicle Driveability Computer Relearn Procedure (6.5L Diesel)
- Escalade, Pickup, Sierra, SILVERADO, TAHOE, YUKON & YUKON XL
- Notes
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L & 7.4L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (4.3L, 5.0L & 5.7L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (7.4L)
- Powertrain Control Module (PCM) Programming (4.8L, 5.3L & 6.0L)
- Powertrain Control Module (PCM) Programming (6.5L Diesel)
- Password Learn Procedure For Anti-Theft System (4.3L, 4.8L, 5.3L & 6.0L)
- Password Learn Procedure For Anti-Theft System (5.0L, 5.7L & 7.4L)
- Password Learn Procedure For Anti-Theft System (6.5L Diesel)
- TDC Offset Learn Procedure (6.5L Diesel)
- Vehicle Driveability Computer Relearn Procedure (4.8L, 5.3L & 6.0L)
- Vehicle Driveability Computer Relearn Procedure (4.3L, 5.0L, 5.7L & 7.4L)
- Vehicle Driveability Computer Relearn Procedure (6.5L Diesel)
- MONTANA, Silhouette & Venture
- Notes
- Crankshaft Position (CKP) Sensor Variation Learn Procedure
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming
- PASS-Key(R) III Module Programming
- PASS-Key(R) III System Auto Learn Procedure
- PASS-Key(R) III System Quick Learn Procedure
- Vehicle Driveability Computer Relearn Procedure
- Tracker
- OBD-II Drive Cycles - 1996-00
- Driveline/Axles
- Drive Axle Noise Diagnosis - General Information
- Gear Tooth Contact Patterns - General Information
- Map - Drive Train & Transmission
- Drive Train & Transmission Systems
- Drivetrain And Transmission
- Notes
- Actuators (Electrical)
- Actuators (Vacuum)
- Automatic Transmission / Transaxle Assemblies/CVTS
- Automatic Transmission Fluid
- Axles
- Bearings And Races
- Bell Cranks
- Bell Housings
- Bushings (External)
- Cables (Speedometer)
- Cables (TV, Detent And Shift)
- Carrier Bearings
- Clutch Cables And Cable Housings
- Clutch Discs (Manual Transmissions)
- Clutch Forks
- Clutch Linkages (Mechanical)
- Clutch Master Cylinders
- Clutch Pedals
- Clutch Pivots
- Clutch Pressure Plates
- Clutch Release Bearings
- Clutch Slave Cylinders (Concentric)
- Clutch Slave Cylinders (Conventional Or External)
- Companion Flanges
- Connectors
- Cooler Bypass Valves
- Cooler Lines
- Coolers
- CV Joints
- Differential And Final Drive Assemblies
- Differential Fluid
- Dip Stick Tubes
- Dip Sticks (Fluid Level Indicators)
- Dowel Pins, Guides And Pilot Holes
- Drain Plugs And Gaskets
- Drive Shaft Flanges
- Drive Shafts And Half Shafts
- Dust Boots
- Engine Mounts
- Exciter Rings
- Filler Tubes
- Filters And Screens
- Flanges
- Flex Plates
- Fluid Level Indicators
- Fluids And Lubricants
- Flywheels
- Force Motors
- Gaskets
- Guides
- Half Shafts
- Hoses, Lines, And Tubes
- Housings (Bell, Case, Tail(Extension) And Auxiliary)
- Hydraulic Fluid
- Intermediate Shaft Support Bearings
- Key Interlock Systems
- Limited Slips
- Lines
- Linkages (External)
- Locking Hub Assemblies
- Locking Hub Control Knobs
- Lubricants
- Manual Transmission Fluid
- Manual Transmission/Transaxle Assemblies
- Metal Clad Seals
- METALASTIC Joints
- Modulator Pins
- Modulators
- Mounts (Engine, Transaxle And Transmission)
- Odometer Drives (Mechanical)
- Odometer Heads (Mechanical)
- Oil Pans
- Pans
- Pilot Holes
- Pressure Plates
- Pressure Switches
- Races
- Rubber Joints (METALASTIC)
- Screens
- Seals (Metal Clad)
- Seals
- Selector Interlock Systems
- Sensors
- Servos
- Shift Interlock Systems (Selector And Key Interlock Systems)
- Side Covers
- Slip Yokes
- Solenoids
- Speed Sensors (Electronic Wheel And Vehicle)
- Speedometer- Driven Gear Housing
- Speedometer/Odometer Drives (Mechanical)
- Speedometer/Odometer Heads (Mechanical)
- Speedometers/Odometers (Electronic)
- Switches
- Tone Wheels
- Toothed Rings (Tone Wheel)
- Torque Converters
- Transaxle Mounts
- Transducers (Transmission)
- Transfer Case Assemblies
- Transfer Case Fluid
- Transmission Coolers
- Transmission Mounts
- Transmission Pans
- Transmission Range Indicators (PRNDL)
- Tubes
- Universal Joints (CARDAN Or Cross Type)
- Vacuum Controls
- Vacuum Hoses
- Vacuum Motors
- Vacuum-Operated Switches
- Vehicle Speed Sensors
- Vents
- Vibration Dampers
- Wheel Attachment Hardware
- Wheel Speed Sensors
- Wiring Harnesses And Connectors
- Yokes And Slip Yokes
- Reason Code Explanation
- Automotive Terminology & Definitions
- Trouble Shooting - Clutches - General Information
- DTC Index
- Electrical
- Map - Electrical Systems
- Electrical Systems
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Actuator Motors (Electric)
- Actuator Motors (Vacuum)
- Air Bags
- Alternators And Generators
- Amplifiers
- Antennas
- Batteries
- Battery Cables, Wires And Connectors
- Battery Cables
- Battery Trays And Hold Down Hardware
- Battery Wires
- Belts
- Bulb Sockets
- Bulbs, Sealed Beams And LEDS
- Cd Players
- Cigarette Lighter Assemblies
- Circuit Breakers
- Clutch Switches
- Connectors
- Control Modules
- Cruise Control Brake Switches
- Cruise Control Cables
- Cruise Control Clutch Switches
- Cruise Control Linkages And Cables
- Cruise Control Reservoirs
- Cruise Control Tubes
- Cruise Control Vacuum Dump Release Valves
- Cruise Control Vacuum Hoses, Tubes And
- Cruise Control Vehicle Speed Sensors
- Defoggers
- Defrosters
- Delays
- Dimmers
- Electric Heaters
- Equalizers
- Fuse Blocks
- Fuse Boxes And Blocks
- Fuses, Fusible Links And Circuit Breakers
- Fusible Links
- Gauges
- Generators
- Ground Cables And Straps
- Ground Straps
- Headlight Adjusters
- Heating Elements (Defrosters, Defoggers, Electric Heaters And Seats)
- Horns And Sirens
- Ignition Switches
- Indicator Lights
- Keyless Entry Keypads And Transmitters
- Keyless Entry Transmitters
- LEDS
- Lenses
- Microphones
- Mirrors (ELECTROCHROMATIC And Heated)
- Motors
- Neutral Safety Switches
- Odometers, Speedometers And Tachometers (Cable Driven)
- Odometers
- Power Distribution Center
- Pulleys
- Receivers, Amplifiers, Equalizers And Sub-Woofer Volume Controls
- Relay Boxes
- Relays
- Sealed Beams
- Seat Heaters
- Security Alarm Sensors
- Sirens
- Solenoids
- Speakers And Microphones
- Speedometer And Tachometer Linkages And Cables
- Speedometer Cables
- Speedometers
- Starters
- Sub-Woofer Volume Control
- Switches
- Tachometer Cables
- Tachometers
- Tape Players And Cd Players
- TENSIONERS
- Timers
- Transceivers
- Transducers
- Vacuum Accumulators (Reservoirs)
- Voltage Regulators
- Washer Fluid Level Senders
- Washer Pumps
- Wiper Arms And Blades
- Wiper Blades
- Wiper Hoses And Nozzles
- Wiper Linkages
- Wiper Nozzles
- Wiper Pump Reservoirs
- Wiring Harnesses And Connectors
- Battery, Starting & Charging System CHECKSHEET
- Reason Code Explanation
- Automotive Terminology & Definitions
- Electrical Systems
- Testing Wiring Systems For Intermittent & Poor Connections
- Service Precautions
- Intermittent Or Poor Connections
- Inducing Intermittent Fault Conditions
- Testing for Electrical Intermittents
- Testing for Short to Ground
- Testing for Continuity
- Testing for a Short to Voltage
- Troubleshooting with a Digital Multimeter
- Troubleshooting with a Test Lamp
- Probing Electrical Connectors
- Using lemon2025'S System Wiring Diagrams
- Map - Electrical Systems
- Engine
- Engine Overhaul Procedures - General Information
- * Please Read This First *
- Description
- Engine Identification
- Inspection Procedures
- Cleaning Procedures
- Component Cleaning
- Cylinder Head Replacement
- Cylinder Head Overhaul
- Pistons, Connecting Rods & Bearings
- Crankshaft & Main Bearings
- Camshaft
- Timing Chains & Belts
- Timing Gears
- Oil Pump
- Break-In Procedure
- General Cooling System Service - General Information
- Engine Overhaul Procedures - General Information
- Engine Performance
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Engine Performance And Maintenance (Including Exhaust Systems)
- Engine Performance & Maintenance CHECKSHEET
- Engine Performance And Maintenance
- Notes
- Accelerator Pedal Position Sensor
- Accessory Belts
- Accessory Pulleys
- Air Conditioning Cycling Switches
- Air Conditioning Pressure Sensors
- Air Ducts And Tubes
- Air Filter Elements
- Air Filter Gaskets
- Air Filter Housings And Gaskets
- Air Fuel Ratio Sensors
- Air Injection Control Solenoids
- Air Plenums
- Air Pump Belts
- Air Pumps (Electric Driven)
- Air Tubes
- Aspirator, Check And DECEL Valves
- Baffles
- Ballast Primary Supply Resistor Wires
- Ballast Resistors And Primary Supply Resistors
- Barometric Pressure Sensors
- Batteries
- Battery Cables, Wires And Connectors
- Battery Connectors
- Battery Trays And Hold Down Hardware
- Battery Wires
- Belt Idler Assemblies (Accessory And Cam Belts)
- Belt TENSIONERS (Accessory And Cam Belt)
- Belt-Driven Air Pumps
- Boost Control Mechanism
- Camshaft Position Sensors
- Carburetors And Chokes
- Casting Core Plugs And Expansion Plugs
- Charge Air Coolers ""INTERCOOLERS"" (CAC)
- Check Valves
- Chemical Engine DECARBONIZATION
- Chokes
- Clutch Pedal Position Switches
- Cold Start Injectors
- Combustion Chamber Cleaning
- Connectors
- Coolant Recovery Tanks
- Coolant
- Cooling Fan Motor Modules
- Cooling Fan Motor Relays And Modules
- Cooling Fan Motor Resistors
- Cooling Fan Motor Sensors And Switches
- Cooling Fan Motor Switches
- Cooling Fan Motors
- Crankshaft Position Sensors
- Cylinder Deactivation Solenoid
- Cylinder Head Assemblies
- DECEL Valves
- Deflectors
- Dip Stick Tubes
- Dip Sticks And Tubes
- Distributor Advances And Retarders (Mechanical And Vacuum)
- Distributor Boots And Shields
- Distributor Caps
- Distributor Retarders (Mechanical And Vacuum)
- Distributor Rotors
- Distributor Shields
- Distributors
- Early Fuel Evaporation Valves (Heat Riser Assemblies)
- EGR Coolers
- EGR Exhaust Manifold Passages
- EGR Intake And Exhaust Manifold Passages
- EGR Plates And Coolers
- Electronic Spark Control Modules
- Electronic Transmission Control Devices
- Electronic Transmission Feedback Devices
- Engine Coolant Temperature Sensors
- Engine Cooling Systems
- Engine Covers (Oil Pan, Valve Cover, Timing Cover)
- Engine DECARBONIZATION
- Engine Oil Canisters
- Engine Oil Coolers (External)
- Engine Oil Drain Plugs And Gaskets
- Engine Oil Filters And Canisters
- Engine Oil Gaskets
- Engine Oil Pressure Gauges (Mechanical)
- Engine Oil
- Evaporative Emissions (EVAP) Canister Filters
- Evaporative Emissions (EVAP) Canister Purge Devices
- Evaporative Emissions (EVAP) Canisters
- Evaporative Emissions (EVAP) Feedback Devices
- Exhaust Gas RECIRCULATION Devices
- Exhaust Gas RECIRCULATION Feedback Devices
- Expansion Plugs
- Fan Control Sensor
- Fuel Accumulators And Dampers
- Fuel And Cold Start Injectors
- Fuel Caps
- Fuel Dampers
- Fuel Delivery Check Valves
- Fuel Distributors (BOSCH Cis)
- Fuel Filler Necks And RESTRICTORS
- Fuel Filters
- Fuel Injector Cleaning
- Fuel Injectors
- Fuel Level Senders
- Fuel Pressure Regulators
- Fuel Pumps (In-Tank, External, Electrical Or Mechanical)
- Fuel Rails
- Fuel RESTRICTORS
- Fuel System Cleaning Service
- Fuel Tanks
- Fuel
- Gaskets
- Grommets (Valve Cover)
- Harmonic Dampers
- Heater Control Valves
- Heater Cores
- Hose Clamps
- Hose Connectors
- Hose Couplers
- Hoses And Tube Couplers, Connectors And Clamps
- Hoses And Tubes (Fuel Lines, Radiator, Vacuum, By-Pass, Heater, Recovery Tank And Oil Coolers)
- Housings
- Idle Air Controls
- Idle Speed Control Actuators
- Ignition Boots
- Ignition Coil Towers
- Ignition Coils
- Ignition Control Modules (ICM)
- Ignition Switches
- Ignition Terminals
- Ignition Wires (Secondary)
- Inertia Fuel Shut-Off Switches
- Intake Air Temperature Sensors
- Intake Cleaning
- Intake Manifolds
- In-Tank Fuel Strainers
- INTERCOOLERS
- Knock Sensors
- Liquid Vapor Separators
- Long Block Assemblies
- Manifold Absolute Pressure (Map) Sensors
- Mass Air Flow (MAF) Sensors
- Metal Air Manifolds And Pipes
- Metal Air Pipes
- Mix Control Solenoids
- Motor Mounts
- O2 Sensors
- Oil Pans
- Oil Pressure Sending Units
- Oil Pump Pick-Up Screens
- Oil Pumps
- O-Rings, Gaskets, Seals And Spring Locks
- Park Neutral Position Switches
- PCV Breather Elements
- PCV Orifices
- PCV Valves
- Pick-Up Assemblies (Includes Magnetic, Hall Effect And Optical)
- Power Steering Pressure Sensors
- Powertrain Control Modules (Pcm) And Prom
- Powertrain Control Prom
- Pressurized Expansion Tank Caps
- Radiator / Cooling Fan Blades
- Radiator / Cooling Fan Clutches
- Radiator Caps And Pressurized Expansion Tank Caps
- Radiators
- Roll Over Valves
- Sealing Compounds
- Seals
- Secondary Air Injection System Management Devices
- Sensors
- Short Block Assemblies
- Shrouds, Baffles And Deflectors
- Spark Plugs
- Spring Locks
- Super Chargers
- Switches
- Thermal Vacuum Valves
- Thermostatic Air Door Assemblies
- Thermostats And Housings
- Throttle Bodies
- Throttle Body Cleaning
- Throttle Cables
- Throttle Linkages And Cables
- Throttle Position Sensors
- Throttle Position Switches
- Timing Belt Sprockets
- Timing Belts
- Timing Covers
- Torque Struts
- Transmission Range Switches
- Tube Clamps
- Tube Connectors
- Tube Couplers
- Tubes
- Turbo Chargers
- Vacuum Connections
- Vacuum Hoses, Tubes And Connections (Non-Metallic)
- Vacuum Regulator Solenoids
- Vacuum Tubes
- Valve Covers
- Vehicle Speed Senors
- Volume Air Flow Sensors
- Waste Gate And Boost Control Mechanisms
- Waste Gate Control Solenoids
- Water Pumps (Electric)
- Water Pumps (Non-Electric)
- Wiring Harnesses And Connectors
- Reason Code Explanation
- Automotive Terminology & Definitions
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- ALASKA
- ARIZONA
- CALIFORNIA
- Colorado
- CONNECTICUT
- DELAWARE
- District Of COLUMBIA
- GEORGIA
- IDAHO
- ILLINOIS
- INDIANA
- KENTUCKY
- MARYLAND
- MASSACHUSETTS
- MISSOURI
- NEVADA
- New Jersey
- New MEXICO
- New YORK
- North CAROLINA
- OHIO
- OREGON
- PENNSYLVANIA
- RHODE Island
- TENNESSEE
- TEXAS
- UTAH
- VIRGINIA
- WASHINGTON
- WISCONSIN
- U. S. EPA ASM2525 & ASM5015 Start-Up Emission Standards
- U. S. EPA Revised Final ASM Emission Standards (ASM5015 & ASM2525)
- U.S. EPA Im240 Emission Standards
- Waveforms - Injector Pattern Tutorial - General Information
- * Please Read This First *
- Purpose Of This Article
- Is A Lab Scope Necessary?
- The Two Types Of Injector Drivers
- The Two Ways Injector Circuits Are Wired
- Interpreting Injector Waveforms
- Current Waveform Samples
- Notes
- Example #1 - Voltage Controlled Driver
- Example #2 - Voltage Controlled Driver
- Example #3 - Voltage Controlled Driver
- Example #4 - Current Controlled Driver
- Example #5 - Current Controlled Driver
- Example #6 - Current Controlled Driver
- Example #7 - Current Controlled Driver
- Example #8 - Current Controlled Driver
- Voltage Waveform Samples
- Notes
- Example #1 - Voltage Controlled Driver
- Example #2 - Voltage Controlled Driver
- Example #3 - Voltage Controlled Driver
- Example #4 - Current Controlled Driver
- Example #5 - Current Controlled Driver
- Example #6 - Current Controlled Driver
- Example #7 - Current Controlled Driver
- Example #8 - Current Controlled Driver
- Map - Exhaust Systems
- Exhaust Systems
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Catalytic Converters
- Exhaust And Tail Pipes
- Exhaust Connections
- Hangers
- Heat Risers (Mechanical EFE Devices)
- Heat Shields
- Manifolds (Cast And Tube Type)
- Mechanical EFE Devices
- Muffler Valve
- Mufflers And Resonators
- Reason Code Explanation
- Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Map - Heating, Ventilation, & Air Conditioning
- Heating, Ventilation & Air Conditioning Systems
- Notes
- Map Standards Of Service
- The Map Process - Overview
- The Map Process - Overview Of Service Requirements And Suggestions
- Accumulators
- Actuators (Electrical)
- Actuators (Vacuum)
- Air Conditioning Fittings
- Air Conditioning Hoses
- Air Conditioning Metal Lines
- Air Control Doors
- Air Dams (External)
- Air Distribution System
- Belts
- Blend Doors
- Blower Fans (Blower Wheel Or Squirrel Cage)
- Blower Motors
- Blower Resistors
- Blower Switches
- Cabin Air Filters
- Circuit Breakers
- Compressor Clutch Assemblies
- Compressors
- Condenser Air Seals
- Condenser Fan Motors
- Condensers
- Connectors
- Control Cables
- Control Heads (Function Selectors)
- Control Linkages
- Control Modules
- Coolant
- Cooling Fan Blades
- Cooling Fan Clutches
- Cooling Fan Motors
- Evaporator Drain Tubes
- Evaporator Filters
- Evaporator Pressure Regulators (EPRS)
- Evaporators
- Expansion Valves
- Function Selectors
- Fuses, Fusible Links And Circuit Breakers
- Fusible Links
- Gaskets
- Heater Cases
- Heater Control Valves
- Heater Cores
- Heater Hoses
- High Pressure Relief Valves (HPRV)
- Idlers
- In-Line Filters
- Metal Fittings
- Metal Lines
- Mix And Air Control Doors (Blend Doors)
- ORIFACE Tubes
- O-Rings
- Pilot-Operated Absolutes (POAS)
- Plenums
- Pressure Control Valves
- Pressure Sensors
- Pulleys
- Radiators
- Receiver-DRIERS
- Refrigerant Oil
- Refrigerant
- Relays
- Seals
- Service Ports
- Spring Lock Couplings
- Suction Throttling Valves (STVS)
- Switches (Electrical)
- TENSIONERS
- Thermistors And Pressure Sensors
- Thermostats And Housings
- Vacuum Hoses And Tubes
- Vacuum Reservoirs
- Vacuum Tubes
- Valves In Receiver (VIRS)
- Water Pumps (Electric Auxiliary)
- Wiring Harnesses And Connectors
- Heating, Ventilation & Air Conditioning System CHECKSHEET
- Reason Code Explanation
- Automotive Terminology & Definitions
- Heating, Ventilation & Air Conditioning Systems
- Map - Heating, Ventilation, & Air Conditioning
- Identification
- Metric Conversions
- OEM General Information
- Testing Wiring Systems For Intermittent & Poor Connections
- Service Precautions
- Intermittent Or Poor Connections
- Inducing Intermittent Fault Conditions
- Testing for Electrical Intermittents
- Testing for Short to Ground
- Testing for Continuity
- Testing for a Short to Voltage
- Troubleshooting with a Digital Multimeter
- Troubleshooting with a Test Lamp
- Probing Electrical Connectors
- Testing Wiring Systems For Intermittent & Poor Connections
- Maintenance Reminder Light (Reset Procedures)
- Engine Oil Replacement Reminder
- Notes
- Engine Oil Replacement Reminder Reset - Procedure 01
- Engine Oil Replacement Reminder Reset - Procedure 02
- Engine Oil Replacement Reminder Reset - Procedure 03
- Engine Oil Replacement Reminder Reset - Procedure 04
- Engine Oil Replacement Reminder Reset - Procedure 05
- Engine Oil Replacement Reminder Reset - Procedure 06
- Engine Oil Replacement Reminder Reset - Procedure 07
- Engine Oil Replacement Reminder Reset - Procedure 08
- Engine Oil Replacement Reminder Reset - Procedure 09
- Engine Oil Replacement Reminder Reset - Procedure 10
- Engine Oil Replacement Reminder Reset - Procedure 11
- Engine Oil Replacement Reminder Reset - Procedure 12
- Engine Oil Replacement Reminder Reset - Procedure 13
- Engine Oil Replacement Reminder Reset - Procedure 14
- Engine Oil Replacement Reminder Reset - Procedure 15
- Engine Oil Replacement Reminder Reset - Procedure 16
- Engine Oil Replacement Reminder Reset - Procedure 17
- Engine Oil Replacement Reminder Reset - Procedure 18
- Engine Oil Replacement Reminder Reset - Procedure 19
- Engine Oil Replacement Reminder Reset - Procedure 20
- Engine Oil Replacement Reminder Reset - Procedure 21
- Engine Oil Replacement Reminder Reset - Procedure 22
- Engine Oil Replacement Reminder Reset - Procedure 23
- Engine Oil Replacement Reminder Reset - Procedure 24
- Engine Oil Replacement Reminder Reset - Procedure 25
- Engine Oil Replacement Reminder Reset - Procedure 26
- Engine Oil Replacement Reminder Reset - Procedure 27
- Engine Oil Replacement Reminder Reset - Procedure 28
- Engine Oil Replacement Reminder Reset - Procedure 29
- Engine Oil Replacement Reminder Reset - Procedure 30
- Engine Oil Replacement Reminder Reset - Procedure 31
- Engine Oil Replacement Reminder Reset - Procedure 32
- Engine Oil Replacement Reminder Reset - Procedure 33
- Engine Oil Replacement Reminder Reset - Procedure 34
- Engine Oil Replacement Reminder Reset - Procedure 35
- Engine Oil Replacement Reminder Reset - Procedure 36
- Engine Oil Replacement Reminder Reset - Procedure 37
- Emissions Maintenance Reminder (Reminder Flag)
- Emissions Maintenance Reminder (Warning Light)
- Emissions Maintenance Reminder (Check Engine Light)
- Diesel Fuel Filter Replacement Reminder
- Maintenance Service Reminder
- Timing Belt Replacement Reminder
- Transmission Fluid Replacement Reminder
- Tire Pressure Monitor System Reminder
- Notes
- TPMS Reminder Reset - Procedure 01
- TPMS Reminder Reset - Procedure 02
- TPMS Reminder Reset - Procedure 03
- TPMS Reminder Reset - Procedure 04
- TPMS Reminder Reset - Procedure 05
- TPMS Reminder Reset - Procedure 06
- TPMS Reminder Reset - Procedure 07
- TPMS Reminder Reset - Procedure 08
- TPMS Reminder Reset - Procedure 09
- TPMS Reminder Reset - Procedure 10
- TPMS Reminder Reset - Procedure 11
- TPMS Reminder Reset - Procedure 12
- TPMS Reminder Reset - Procedure 13
- TPMS Reminder Reset - Procedure 14
- TPMS Reminder Reset - Procedure 15
- TPMS Reminder Reset - Procedure 16
- TPMS Reminder Reset - Procedure 17
- TPMS Reminder Reset - Procedure 18
- TPMS Reminder Reset - Procedure 19
- TPMS Reminder Reset - Procedure 20
- TPMS Reminder Reset - Procedure 21
- TPMS Reminder Reset - Procedure 22
- TPMS Reminder Reset - Procedure 23
- TPMS Reminder Reset - Procedure 24
- TPMS Reminder Reset - Procedure 25
- TPMS Reminder Reset - Procedure 26
- TPMS Reminder Reset - Procedure 27
- TPMS Reminder Reset - Procedure 28
- TPMS Reminder Reset - Procedure 29
- TPMS Reminder Reset - Procedure 30
- TPMS Reminder Reset - Procedure 31
- TPMS Reminder Reset - Procedure 32
- TPMS Reminder Reset - Procedure 33
- TPMS Reminder Reset - Procedure 34
- TPMS Reminder Reset - Procedure 35
- TPMS Reminder Reset - Procedure 36
- TPMS Reminder Reset - Procedure 37
- Engine Oil Replacement Reminder
- Restraints
- RPO Codes
- RPO Code Description (Codes 001-19F)
- RPO Code Description (Codes 19H-2EL)
- RPO Code Description (Codes 2F1-44I)
- RPO Code Description (Codes 44L-5J9)
- RPO Code Description (Codes 5K0-6FF)
- RPO Code Description (Codes 6FG-76A)
- RPO Code Description (Codes 76D-7XD)
- RPO Code Description (Codes 7XF-8M0)
- RPO Code Description (Codes 8M1-9C0)
- RPO Code Description (Codes 9C1-A0F)
- RPO Code Description (Codes A0G-Ar4)
- RPO Code Description (Codes Ar5-BCP)
- RPO Code Description (Codes BCQ-C12)
- RPO Code Description (Codes C13-Cur)
- RPO Code Description (Codes Cut-Dir)
- RPO Code Description (Codes Dr7-EHE)
- RPO Code Description (Codes EHF-F5P)
- RPO Code Description (Codes F5Q-G1V)
- RPO Code Description (Codes G1W-HFN)
- RPO Code Description (Codes HFO-JRG)
- RPO Code Description (Codes JRH-KLY)
- RPO Code Description (Codes KLZ-LQX)
- RPO Code Description (Codes LQY-MW9)
- RPO Code Description (Codes MWE-ODK)
- RPO Code Description (Codes ODL-Ora)
- RPO Code Description (Codes Orb-PDE)
- RPO Code Description (Codes PDF-QH6)
- RPO Code Description (Codes QH7-R8D)
- RPO Code Description (Codes R8E-T07)
- RPO Code Description (Codes T08-TJ0)
- RPO Code Description (Codes TJ1-U10)
- RPO Code Description (Codes U11-Us9)
- RPO Code Description (Codes USB-VG9)
- RPO Code Description (Codes VGA-W5Y)
- RPO Code Description (Codes W5Z-XE3)
- RPO Code Description (Codes XE4-Y9Z)
- RPO Code Description (Codes Ya2-ZD9)
- RPO Code Description (Codes ZDE-ZZZ)
- Specifications Index
- Steering
- Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
- Steering & Suspension Systems
- Wheel And Tire
- Steering & Suspension CHECKSHEET
- Wheels & Tires CHECKSHEET
- Steering And Suspension, Wheel Alignment, Wheels And Tires
- Notes
- Active Handling
- Active Suspension Control Modules
- Active Variable Ratio Steering
- Active Yaw Control
- Adaptive Cruise Control
- Advance TRAC
- Air Bags
- Air Ride Control Modules
- Air Ride Suspension Torsion Springs (Counter Balancing)
- Air Ride Suspension
- Air Ride Tubes
- Air Shocks And Air Struts
- Air Spring Valves
- Air Springs
- Air Suspension Control Valves
- Air Suspension DRIERS
- Axle Acceleration Sensor
- Ball Joints
- Body Acceleration Sensor
- Bushings
- Center Links
- Compressors
- Continuous Damping Control
- Control Arm Shafts
- Control Arms
- Control Modules
- Distance Regulation Control Module
- Distance Regulation Sensor
- Drag Links
- Dynamic Stability Control
- Dynamic Stability Traction Control
- Electronic Ride Control Shocks And Struts
- Electronic Stability Control
- Electronic Suspension System
- Flex Couplers
- Gaskets
- Height Sensors
- Hydraulic Hoses
- Hydraulic Power Steering Pumps
- Hydraulic Suspension Hoses
- Hydraulic Suspension Pumps
- Idler Arms
- Intermediate Shaft U-Joints
- King Pins
- Modules
- Pitman Arms
- Power Steering Belts
- Power Steering Coolers
- Power Steering Fluid
- Power Steering Hoses
- Power Steering Lines (Steel)
- Power Steering Pumps - Electric
- Power Steering Pumps
- Radar Sensor
- Radius Arms
- Relay Rods
- Relays
- Sensors
- Shock Absorbers, Strut Cartridges And Strut Assemblies
- Spindles
- Springs, Coil, Leaf And Torsion Bars
- STABILITRAC
- Stability Management System
- Steering Angle Sensor
- Steering Arms
- Steering Couplers
- Steering Dampers
- Steering Gears (Except Rack And Pinion)
- Steering Gears, Rack And Pinion
- Steering Knuckles
- Strike Out Bumpers
- Strut Bearing Plate Assemblies
- Strut Rods
- Suspension Pumps (Hydraulic)
- Sway Bar Links
- Sway Bar Mounting Bushings
- Sway Bars
- Switches
- Tie Rod Ends (Inner And Outer)
- Tire Pressure Monitoring System
- Tire Pressure Sensors
- Tires
- Torque Sensor
- Torsion Springs
- Track Bar Bushings
- Track Bars
- Trailing Arm Bushings
- Trailing Arms
- Valve Stems
- Vehicle Dynamics Control
- Vehicle Speed Sensor
- Vehicle Stability Assist
- Vehicle Stability/Skid Control
- Warning Lamps
- Wheel Alignment
- Wheel Attachment Hardware
- Wheel Bearings, Races And Seals
- Wheels (Rims)
- Wiring Harnesses And Connectors
- Reason Code Explanation
- Automotive Terminology & Definitions
- Wheel Alignment Theory & Operation - General Information
- Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- A/C Compressor
- HVAC System - Compressor Clutch Controls
- Model Identification
- Description & Operation
- A/C Clutch Circuit Diagnosis (Cars)
- Notes
- 2.2L & 2.4L: Cavalier & SUNFIRE (2000)
- 2.2L & 2.4L: Cavalier & SUNFIRE (2001)
- 2.4L, 3.1L & 3.4L: ALERO, Grand Am & MALIBU
- 3.0L: CATERA
- 3.1L, 3.5L & 3.8L: Century, Intrigue & Regal
- 3.1L & 3.8L: Grand PRIX
- 3.1L: Lumina
- 3.4L & 3.8L: Impala & Monte CARLO
- 3.5L & 4.0L: Aurora
- 3.8L: BONNEVILLE & LESABRE
- 3.8L: Park Avenue
- 3.8L & 5.7L: CAMARO & Firebird
- 4.6L: DEVILLE & SEVILLE
- 4.6L: ELDORADO
- 5.7L: Corvette
- A/C Clutch Circuit Diagnosis (Light Trucks & Vans)
- Notes
- 2.2L: "S" & "T" Series
- 3.4L: "A" & "B" Series
- 3.4L: "U" Series (2000)
- 3.4L: "U" Series (2001)
- 4.3L: "M" & "L" Series
- 4.3L: "S" & "T" Series (Automatic A/C)
- 4.3L: "S" & "T" Series (Manual A/C)
- 4.3L & 7.4L: "C" & "K" Series (2000) Or 4.3L, 5.0L & 5.7L: "G" Series (2000)
- 4.8L, 5.3L & 6.0L: "C" & "K" Series (2000)
- 5.0L & 5.7L: "C" & "K" Series (2000) Or 7.4L: "G" Series (2000)
- 6.5L: "C" & "K" Series (2000)
- 4.3L, 4.8L, 5.3L, 6.0L, 6.6L & 8.1L: "C" & "K" Series (Automatic A/C 2001)
- 4.3L, 4.8L, 5.3L, 6.0L, 6.6L & 8.1L: "C" & "K" Series (Manual A/C 2001)
- 4.3L, 5.0L, 5.7L, 6.5L & 8.1L: "G" Series (2001)
- Wiring Diagrams
- ALERO & Grand Am
- Astro & Safari
- Aurora
- AZTEK
- Blazer, BRAVADA, Envoy & Jimmy
- BONNEVILLE & LESABRE
- "C" & "K" Pickup
- CAMARO & Firebird
- CATERA
- Cavalier & SUNFIRE
- Century & Regal
- Corvette
- DEVILLE
- ELDORADO
- Express & SAVANA
- Grand PRIX
- Impala & Monte CARLO
- Intrigue
- Lumina
- MALIBU
- MONTANA, Silhouette & Venture
- Park Avenue
- SEVILLE
- Sierra, SILVERADO, Suburban, TAHOE, YUKON
- SONOMA & S10 Pickup
- HVAC System - Compressor Clutch Controls - Wiring Diagrams
- Wiring Diagrams
- Alero and Grand Am
- Astro and Safari
- Blazer, Bravada, Envoy, Jimmy - Automatic Transmission
- Blazer, Jimmy, Sonoma, S10 Pickup - Manual Transmission
- Bonneville and LeSabre
- Camaro and Firebird - 3.8L
- Camaro and Firebird - 5.7L
- Catera
- Cavalier and Sunfire
- Century and Regal
- Corvette
- DeVille
- Eldorado
- Escalade, Tahoe, Yukon - 5.7L, 6.5L, 7.4L
- Chevy Express and GMC Savana - 4.3L, 5.0L, 5.7L, 7.4L
- Chevy Express and GMC Savana - 6.5L
- Grand Prix
- Impala and Monte Carlo
- Intrigue
- Lumina
- Malibu
- Metro and Firefly (Canadian)
- Montana, Silhouette, Venture
- Park Avenue
- Pickup
- Prizm
- Saturn - LS, LS1, LW1
- Saturn - LS2 and LW2
- Saturn - SC1, SC2, SL, SL1, SL2, SW2
- Seville
- Sierra, Silverado, Suburban, Tahoe, Yukon, Yukon XL - 4.8L, 5.3L, 6.0L
- Sonoma and S10 Pickup - Automatic Transmission
- Tracker
- Wiring Diagrams
- HVAC System - Compressor Clutch Controls
- General Servicing
- Cabin Air Filter
- HVAC System - Compressor Refrigerant Oil Checking
- Refrigerant Oils
- Servicing Precautions
- Checking Compressor Oil
- DELPHI-Thermal (HARRISON) Hd6/Ht6/HU6 & Hd6/Hr-6HE 6-CYL., V5 5-CYL. & V7 7-CYL.
- Ford FS-10 10-Cylinder
- Ford SC90V Variable Scroll
- Ford SC115 Fixed Scroll
- NIPPONDENSO 10-Cylinder
- NIPPONDENSO 10S15/10S17/10S20
- NIPPONDENSO 10PA17/10PA17C 10-CYL.
- SANDEN Scroll
- SANDEN MSC90-C Scroll
- SANDEN SD-7H15 7-Cylinder
- SANDEN TRS-90 & Tr-105 Scroll
- ZEXEL Rotary Vane
- HVAC System - Compressor Servicing
- DELPHI-Thermal (HARRISON) Hd6/Ht6/HU6 & Hd6/Hr-6HE 6-CYL., V5 5-CYL. & V7 7-CYL.
- Ford FS-10 10-Cylinder
- Ford SC90V Scroll
- Ford SC115 Scroll
- NIPPONDENSO 10-Cylinder
- NIPPONDENSO 10S15/10S17/10S20
- NIPPONDENSO 10PA17/10PA17C 10-Cylinder
- SANDEN Scroll
- SANDEN MSC90-C Scroll
- SANDEN SD-7H15 7-Cylinder
- SANDEN TRS-90 Scroll
- SANDEN TRS-105 Scroll
- ZEXEL Rotary Vane
- HVAC System - General Servicing Procedures
- USING R-134a REFRIGERANT
- System Service Valves
- Service Equipment
- Manifold Gauge Set
- Pressure-Temperature Relationship
- Pressure Gauge Readings
- Orifice Tube Replacement
- Refrigerant Recovery/Recycling
- Flushing A/C System
- Evacuating A/C System
- Charging A/C System
- Leak Testing
- HVAC System - Refrigerant Oil & Refrigerant Specifications
- HVAC Control Systems
- HVAC System - Manual
- Specifications
- Description
- Operation
- Trouble Shooting
- Notes
- A/C-Heater System Diagnostic System Check
- Main Blower Motor Inoperative At Any Speed
- Main Blower Motor Inoperative In One Speed Only (High Speed Okay)
- Main Blower Motor High Speed Inoperative
- Main Blower Motor Operative At High Speed Only
- Main Blower Motor Always On
- Main Blower Motor Malfunctions
- Auxiliary Blower Motor Inoperative
- Auxiliary Blower Motor Inoperative In One Speed Only (High Speed Okay)
- Auxiliary Blower Motor Always On (Ignition On)
- Auxiliary Blower Motor Malfunctions
- Air Delivery Improper (Main System)
- Air Delivery Improper (Auxiliary System)
- Defrost Air Inoperative
- Air RECIRCULATION Mode Inoperative
- Air RECIRCULATION Malfunction
- Temperature Control Inoperative (No Airflow For Warm/Cold)
- Front & Rear Temperature Controls Inoperative
- System Tests
- Removal & Installation
- Notes
- A/C Compressor
- A/C-Heater Control Panel
- A/C-Heater Module
- Accumulator
- Auxiliary A/C-Heater Control Panel
- Auxiliary Blower Motor Switch
- Auxiliary Blower Motor
- Auxiliary Blower Motor Resistor
- Auxiliary Mode Actuator
- Auxiliary Temperature Actuator
- Condenser
- Defroster Actuator
- Evaporator Core
- Heater Core
- Instrument Panel
- Main Blower Motor
- Main Blower Motor Resistor/Relay Assembly
- Mode Actuator & Door
- RECIRCULATION Actuator
- Temperature Door Actuator
- Thermal Expansion Valve (TXV)
- Torque Specifications
- Vacuum Hose Diagram(S)
- Wiring Diagrams
- HVAC System - Manual - Wiring Diagrams
- Wiring Diagrams
- Notes
- ALERO & Grand Am
- Astro & Safari
- Blazer, Jimmy, SONOMA & S10 Pickup
- BONNEVILLE
- CAMARO & Firebird
- Cavalier & SUNFIRE
- Century & Regal
- Chevy Express & SAVANA
- Corvette
- Escalade, Pickup, TAHOE & YUKON - Old Style
- Grand PRIX
- Impala & Monte CARLO
- Intrigue
- LeSABRE
- Lumina
- MALIBU
- Metro & Firefly (CANADIAN)
- MONTANA, Silhouette & Venture
- PRIZM
- SATURN
- SILVERADO, Suburban, TAHOE, YUKON & YUKON XL - New Style
- Tracker
- Wiring Diagrams
- HVAC System - Manual
- A/C Compressor
- Restraints
- Air Bag, SRS
- Supplemental Inflatable Restraint System
- Description & Operation
- Component Locations
- System Operation Check
- Air Bag Safety Precautions
- Adjustments
- Disabling & Activating Air Bag System
- Disposal Procedures
- Post-Collision Inspection
- Removal & Installation
- Diagnostics
- Diagnostic Tests
- Notes
- Connector Identification
- Sir Diagnostic System Check
- Air Bag Warning Light Circuit Malfunction
- DTC B0016: Passenger Deployment Loop Resistance Low
- DTC B0017: Passenger Deployment Loop Open
- DTC B0018: Passenger Deployment Loop Voltage Out Of Range
- DTC B0022: Driver Deployment Loop Resistance Low
- DTC B0024: Driver Deployment Loop Voltage Out Of Range
- DTC B0026: Driver Deployment Loop Open
- DTC B0028: Passenger-Side Seat Deployment Loop Resistance Low
- DTC B0029: Passenger-Side Seat Deployment Loop Open
- DTC B0030: Passenger-Side Seat Deployment Loop Voltage Out Of Range
- DTC B0040: Driver-Side Seat Deployment Loop Resistance Low
- DTC B0041: Driver-Side Seat Deployment Loop Open
- DTC B0045: Driver-Side Seat Deployment Loop Voltage Out Of Range
- DTC B0051: Deployment Commanded
- DTC B0053: Deployment Commanded With Loop Malfunction
- DTC B0057: Passenger-Side PRETENSIONER Deployment Loop Resistance Low
- DTC B0058: Passenger-Side PRETENSIONER Deployment Loop Open
- DTC B0059: Passenger-Side PRETENSIONER Deployment Loop Voltage Out Of Range
- DTC B0064: Driver-Side PRETENSIONER Deployment Loop Resistance Low
- DTC B0065: Driver-Side PRETENSIONER Deployment Loop Open
- DTC B0066: Driver-Side PRETENSIONER Deployment Loop Voltage Out Of Range
- DTC B0077: Driver-Side Sis Circuit Malfunction
- DTC B0078: Passenger-Side Sis Circuit Malfunction
- DTC B0079: Incorrect Driver-Side Sis Installed
- DTC B0080: Driver-Side Sis Malfunction
- DTC B0081: Incorrect Passenger-Side Sis Installed
- DTC B0082: Passenger-Side Sis Malfunction
- DTC B1000: Internal SDM Failure
- DTC B1001: Option Configuration Error
- DTC U1016: Loss Of Pcm Data Communication
- DTC U1040: Loss Of EBCM Data Communication
- DTC U1064: Loss Of BCM Data Communication
- DTC U1096: Loss Of IPC Data Communication
- DTC U1300: Class 2 Serial Data Line Short To Ground
- DTC U1301: Class 2 Serial Data Line Short To Voltage
- Wire Repair
- Torque Specifications
- Wiring Diagrams
- Supplemental Inflatable Restraint System
- Air Bag, SRS
- Steering
- Manual Steering
- Power Steering
- Steering Column
- Model Identification
- Description
- Disabling & Activating Air Bag System
- Adjustments
- Removal & Installation
- Overhaul
- Torque Specifications
- Suspension
- Electronic Suspension
- Electronic Suspension - Automatic Level Control - Fwd Van
- Description
- Operation
- Adjustments
- Trouble Shooting
- Diagnosis & Testing
- Symptom Tests
- Notes
- ALC Compressor Motor Does Not Activate (2000)
- ALC Compressor Motor Does Not Activate (2001)
- ALC Control Inflator Fill Valve Inoperative (2000)
- ALC Control Inflator Fill Valve Inoperative (2001)
- ALC Control Compressor Motor Always On (2000)
- ALC Control Compressor Motor Always On (2001)
- ALC Compressor Inoperative (2000)
- ALC Compressor Inoperative (2001)
- ALC Compressor Does Not Raise Vehicle (2000)
- ALC Compressor Does Not Raise Vehicle - With Inflator (2001)
- ALC Compressor Does Not Raise Vehicle - Without Inflator (2001)
- ALC Control System Does Not Vent To Lower Vehicle (2000)
- ALC Control System Does Not Vent To Lower Vehicle - With Inflator (2001)
- ALC Control System Does Not Vent To Lower Vehicle - Without Inflator (2001)
- ALC Control Compressor Motor Runs, But Then Stops (2000)
- ALC Control Compressor Motor Runs, But Then Stops (2001)
- Blown ELC Or IGN 1 Fuse (2000 Only)
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- Electronic Suspension Control System - Wiring Diagrams
- Electronic Suspension - Automatic Level Control - Fwd Van
- Front Suspension
- Rear Suspension
- Wheel Alignment Specifications & Adjustment Procedures
- Model Identification
- Ride Height
- Jacking & Hoisting
- Wheel Alignment Procedures
- Pre-Alignment Checks
- Camber & Caster Adjustment
- "A" & "B" Series (Front Camber)
- "B" Series (Rear Camber)
- "C"& "K" Old Style & "G" Series (Caster Adjustment )
- "C" & "K" Old Style & "G" Series (Camber Adjustment)
- "C" & "K" Old Style & "G" Series (Frame Angle)
- "C" & "K" Old Style & "G" Series (Frame Bracket Slot Removal)
- "C" & "K" Series - New Style (Caster Adjustment)
- "C" & "K" Series - New Style (Camber Adjustment)
- "J/E" Series (Caster & Camber)
- "L" & "S" Series (Caster & Camber)
- "M" & "T" Series (Caster & Camber)
- "U" Series - All Models (Caster)
- "U" Series (Front Camber)
- Toe-In Adjustment
- Torque Specifications
- Wheel Alignment Specifications
- Electronic Suspension
- Transmission
- Automatic Trans
- Automatic Transaxle Diagnosis - 4T65-E
- Application
- Description & Operation
- Trouble Shooting
- Diagnosis & Testing
- Diagnostic Tests
- Introduction
- DTC P0218: Transaxle Fluid OVERTEMPERATURE
- DTC P0502: Vehicle Speed Sensor Circuit (Low Input)
- DTC P0503: Vehicle Speed Sensor Circuit Performance
- DTC P0711: Trans. Fluid Temperature Sensor Circuit Performance
- DTC P0712: Trans. Fluid Temperature Sensor Circuit (Low Input)
- DTC P0713: Trans. Fluid Temperature Sensor Circuit (High Input)
- DTC P0716: Input Speed Sensor Circuit Performance
- DTC P0717: Input Speed Sensor Circuit No Signal
- DTC P0719: TCC Brake Switch Circuit Low Input (Switch Stuck On)
- DTC P0724: TCC Brake Switch Circuit High Input (Switch Stuck Off)
- DTC P0730: Incorrect Gear Ratio
- DTC P0741: TCC System Stuck Off
- DTC P0742: TCC System Stuck On
- DTC P0748: Pressure Control Solenoid Electrical Problem
- DTC P0751: 1-2 Shift Solenoid Performance
- DTC P0752: 1-2 Shift Solenoid Performance Problem
- DTC P0753: 1-2 Shift Solenoid Electrical Problem
- DTC P0756: 2-3 Shift Solenoid Performance
- DTC P0758: 2-3 Shift Solenoid Electrical Problem
- DTC P1810: Transaxle Fluid Pressure Manual Valve Position Switch Malfunction
- DTC P1811: Maximum Adapt & Long Shift
- DTC P1814: Torque Converter Overstress
- DTC P1819: Internal Mode Switch - No Start/Wrong Range
- DTC P1820: Internal Mode Switch Circuit "A"
- DTC P1822: Internal Mode Switch (IMS) Circuit "B" (Park Avenue)
- DTC P1823: Internal Mode Switch Circuit "P"
- DTC P1825: Internal Mode Switch - Invalid Range
- DTC P1826: Internal Mode Switch - Circuit "C" High
- DTC P1860: TCC Pulse Width Modulated Solenoid Electrical Problem
- DTC P1887: Torque Converter Clutch Release Switch Circuit Malfunction
- Component Tests
- Wiring Diagrams
- Automatic Transmission Removal & Installation
- Automatic Transmission Service Information
- Application
- Identification
- Lubrication
- On-Vehicle Repairs
- Adjustments
- Removal & Installation
- Notes
- Accumulator & 2-1 Manual Servo
- Case Extension Housing
- Case Side Cover
- Control Valve Body
- Fluid Filler Tube
- Fluid Temperature Sensor
- Input Speed Sensor
- Oil Cooler Hoses
- Oil Cooler Pipes
- Oil Pressure Test Plug
- Oil Pump
- Output Shaft
- Park/Neutral Position Switch
- Pressure Control Solenoid
- Reverse Servo
- Shift Cable
- TCC Pulse Width Modulation Solenoid
- TFP Manual Valve Position Switch
- THERMO Element
- Transaxle Brace
- Transaxle Mount & Bracket
- Transaxle Vent
- Vehicle Speed Sensor
- Wiring Harness
- 1-2 Shift Solenoid Valve
- 2-3 Shift Solenoid Valve
- Torque Specifications
- Shift Interlock System
- Automatic Transaxle Diagnosis - 4T65-E
- Automatic Trans
- External Pages