Repair and Diagnosis (Single Page)
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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
- Cruise Control
- Defoggers
- Engine Performance
- Exterior Lights
- Ground Distribution
- Headlights
- Horn
- Instrument Cluster
- Interior Lights
- Power Distribution
- Power Door Locks
- Power Mirrors
- Power Seats
- Power Top/Sunroof
- 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
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC B2947: Sensor Power Circuit Low
- DTC B2948: PASSLOCK(R) Sensor Power Circuit High
- DTC B2957: PASSLOCK(R) Sensor Data Circuit Low
- DTC B2958: PASSLOCK(R) Sensor Data Circuit High
- DTC B2960: PASSLOCK(R) Sensor Data Incorrect But Valid
- DTC B3031: Controller In Learn Mode
- DTC B3033: System Indicates Tamper
- Notes On INTERMITTENTS
- System Tests
- Removal & Installation
- Wiring Diagrams
- Keyless Entry System - Remote
- Power Door Lock System
- Description & Operation
- Trouble Shooting
- System Tests
- Notes
- Door Lock Switches Inoperative From Driver & Passenger Doors
- Door Locks Does Not Lock Or Unlock From Liftgate/ENDGATE Lock Switch (Utility)
- Driver-Side Door Will Not Lock Or Unlock
- Door(S) Do Not Unlock
- Door(S) Do Not Lock
- Last Door Lock Feature Inoperative (Utility)
- Lock-Out Prevention Feature Does Not Operate
- Power Door Lock Operates From One Door Only
- Lock Actuator Inoperative From Driver & Passenger Door Switches
- Removal & Installation
- Wiring Diagrams
- Rear Window Release & Liftgate Release - Power
- Anti-Theft System
- Body Interior
- Body Control Module
- Description
- Component Locations
- TBC Module Programming/RPO Configuration
- TBC/BCM Relearn Procedure
- Self-Diagnostic System
- Diagnosis & Testing
- Notes
- TBC Module Diagnostic System Check
- Scan Tool Does Not Communicate With Class 2 Serial Data Line
- DTC B1397: 5-Volt Reference Circuit Low
- DTC B1398: 5-Volt Reference Circuit High
- DTC B1477: Retained Accessory Power (Rap) Circuit Low
- DTC B1478: Retained Accessory Power (Rap) Circuit High
- DTC B1480: Inadvertent Power Circuit Malfunction
- DTC B2527: Front FOGLIGHT Circuit Low
- DTC B2537: Rear FOGLIGHT Circuit Low (Export Only)
- DTC B2575: Headlight Request/Feedback Mismatch
- DTC B2577: Headlight Control Circuit Low
- DTC B2585: Park Light Control Circuit Malfunction
- DTC B2600: Daytime Running Light (DRL) Circuit Malfunction
- DTC B2613: Dimming Potentiometer Circuit High
- DTC B2617: Courtesy Light Circuit Low
- DTC B2618: Courtesy Light Circuit High
- DTC B2647: Ambient Light Sensor Circuit Low
- DTC B2648: Ambient Light Sensor Circuit High
- DTC B2752: Horn Relay Coil Circuit Low
- DTC B2961: Ignition 1 - Key In/Out Mismatch
- DTC B3102: Keyless Entry (RFA) Data Link Circuit Low
- DTC B3137: Door Lock Circuit Low
- DTC B3138: Door Lock Circuit High
- DTC B3147: Passenger Door Unlock Circuit Low
- DTC B3148: Passenger Door Unlock Circuit High
- DTC U1255: Class 2 Communication Malfunction
- DTC U1301: Class 2 Data Link High
- Removal & Installation
- Wiring Diagrams
- Body Control Module
- Communication Devices
- Body Control Module
- Description
- Component Locations
- TBC Module Programming/RPO Configuration
- TBC/BCM Relearn Procedure
- Self-Diagnostic System
- Diagnosis & Testing
- Notes
- TBC Module Diagnostic System Check
- Scan Tool Does Not Communicate With Class 2 Serial Data Line
- DTC B1397: 5-Volt Reference Circuit Low
- DTC B1398: 5-Volt Reference Circuit High
- DTC B1477: Retained Accessory Power (Rap) Circuit Low
- DTC B1478: Retained Accessory Power (Rap) Circuit High
- DTC B1480: Inadvertent Power Circuit Malfunction
- DTC B2527: Front FOGLIGHT Circuit Low
- DTC B2537: Rear FOGLIGHT Circuit Low (Export Only)
- DTC B2575: Headlight Request/Feedback Mismatch
- DTC B2577: Headlight Control Circuit Low
- DTC B2585: Park Light Control Circuit Malfunction
- DTC B2600: Daytime Running Light (DRL) Circuit Malfunction
- DTC B2613: Dimming Potentiometer Circuit High
- DTC B2617: Courtesy Light Circuit Low
- DTC B2618: Courtesy Light Circuit High
- DTC B2647: Ambient Light Sensor Circuit Low
- DTC B2648: Ambient Light Sensor Circuit High
- DTC B2752: Horn Relay Coil Circuit Low
- DTC B2961: Ignition 1 - Key In/Out Mismatch
- DTC B3102: Keyless Entry (RFA) Data Link Circuit Low
- DTC B3137: Door Lock Circuit Low
- DTC B3138: Door Lock Circuit High
- DTC B3147: Passenger Door Unlock Circuit Low
- DTC B3148: Passenger Door Unlock Circuit High
- DTC U1255: Class 2 Communication Malfunction
- DTC U1301: Class 2 Data Link High
- Removal & Installation
- Wiring Diagrams
- Body Control Module
- Cruise Control Systems
- Gauges & Instrument Panels
- Description & Operation
- Service Precautions - Air Bag
- Component Locations
- Trouble Shooting
- Component Testing
- Symptom Testing
- Tachometer Does Not Operate Properly
- Temperature Gauge Does Not Operate Properly
- PRNDL Indicator Does Not Operate Properly
- Fuel Gauge Does Not Operate Properly
- Voltmeter Does Not Operate Properly
- Speedometer Does Not Operate Properly
- Odometer Or TRIPMETER Does Not Illuminate When TRIPMETER Switch Is Pressed With Ignition In Lock
- Odometer Does Not Accumulate Mileage
- TRIPMETER Does Not Accumulate/Retain Mileage
- PRNDL Or Odometer Does Not Perform 2 Second Segment Function Check Or Illuminate At All When Ignition Is On.
- PRNDL & Odometer Displays Do Not Illuminate When Ignition Is On, Unless TRIPMETER Switch Is Pressed.
- Cannot Toggle Between Odometer & TRIPMETER With Ignition On
- IPC Does Not Illuminate With Park Lights Or Headlights On/Illumination Does Not Respond To Dimmer Switch
- No Gear Displayed On PRNDL
- PRNDL Displays All Positions Except Park
- PRNDL Displays Park, But No Other Positions
- PRNDL Displays Incorrect Gear
- Indicator Does Not Operate Properly
- System Testing
- Self-Diagnostic - System
- Testing - Diagnostic
- Removal & Installation
- Wiring Diagrams
- Heated Glass/Defoggers
- Mirrors
- Seats
- Steering Column Switches
- Steering Column Switches
- Description
- Component Locations
- Adjustments
- Trouble Shooting
- Component Testing
- System Testing
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- Steering Wheel And Steering Column
- Steering Column Switches
- Window Motors & Regulators
- Power Window System
- Description & Operation
- Component Locations
- Trouble Shooting
- System Tests
- Notes
- 2-Door
- Windows Do Not Operate
- Left Window Inoperative/Right Window Operates Okay
- Right Window Inoperative From Individual Window
- Right Window Inoperative From Both Left & Right Switch/Left Window Operates Okay
- All Windows Do Not Operate
- Left Front Window Inoperative/All Others Okay
- Right Front, Left Rear, Or Right Rear Window Inoperative From Individual Window Switch, But Operates Okay From Left Front Right Front, Left Rear, Or Right Rear Window Inoperative From Individual Window Switch, But Operates Okay From Left Front
- One Window (Other Than Left Front) Is Inoperative From Left Front Window Switch & Individual Window Switch/All Other Windows Operate Okay
- Lock-Out Function Does Not Work But Windows Operate Okay
- Removal & Installation
- Wiring Diagrams
- Power Window System
- Wiper/Washer Systems
- Wiper System And Washer System
- Description
- Trouble Shooting
- Testing
- Notes
- Front Wiper/Washer
- Test No. 1 Wipers Do Not Run In Any Mode
- Test No. 2: Wipers Do Not Turn Off
- Test No. 3: Wipers Do Not Run At Hi Speed
- Test No. 4: Wipers Do Not Run In Lo Speed, Delay, Or Mist Modes, But Hi Speed Is Okay
- Test No. 5: Delay Operates Incorrectly Or Not At All
- Test No. 6: Wipers Stop Randomly Do Not Park In Off Position
- Test No. 7: Wipers Do Not Run When Washer Is Turned On
- Test No. 8: Washer Does Not Operate
- Rear Wiper/Washer
- System Testing
- Removal & Installation
- Wiring Diagrams
- Wiper System And Washer System
- Anti-Theft Systems
- Body & Frame
- Body, Cab Control Systems
- Body Control Module
- Description
- Component Locations
- TBC Module Programming/RPO Configuration
- TBC/BCM Relearn Procedure
- Self-Diagnostic System
- Diagnosis & Testing
- Notes
- TBC Module Diagnostic System Check
- Scan Tool Does Not Communicate With Class 2 Serial Data Line
- DTC B1397: 5-Volt Reference Circuit Low
- DTC B1398: 5-Volt Reference Circuit High
- DTC B1477: Retained Accessory Power (Rap) Circuit Low
- DTC B1478: Retained Accessory Power (Rap) Circuit High
- DTC B1480: Inadvertent Power Circuit Malfunction
- DTC B2527: Front FOGLIGHT Circuit Low
- DTC B2537: Rear FOGLIGHT Circuit Low (Export Only)
- DTC B2575: Headlight Request/Feedback Mismatch
- DTC B2577: Headlight Control Circuit Low
- DTC B2585: Park Light Control Circuit Malfunction
- DTC B2600: Daytime Running Light (DRL) Circuit Malfunction
- DTC B2613: Dimming Potentiometer Circuit High
- DTC B2617: Courtesy Light Circuit Low
- DTC B2618: Courtesy Light Circuit High
- DTC B2647: Ambient Light Sensor Circuit Low
- DTC B2648: Ambient Light Sensor Circuit High
- DTC B2752: Horn Relay Coil Circuit Low
- DTC B2961: Ignition 1 - Key In/Out Mismatch
- DTC B3102: Keyless Entry (RFA) Data Link Circuit Low
- DTC B3137: Door Lock Circuit Low
- DTC B3138: Door Lock Circuit High
- DTC B3147: Passenger Door Unlock Circuit Low
- DTC B3148: Passenger Door Unlock Circuit High
- DTC U1255: Class 2 Communication Malfunction
- DTC U1301: Class 2 Data Link High
- Removal & Installation
- Wiring Diagrams
- Body Control Module
- Door Locks
- Anti-Theft System
- Description
- Operation
- Component Locations
- Programming
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- Notes
- DTC B2947: Sensor Power Circuit Low
- DTC B2948: PASSLOCK(R) Sensor Power Circuit High
- DTC B2957: PASSLOCK(R) Sensor Data Circuit Low
- DTC B2958: PASSLOCK(R) Sensor Data Circuit High
- DTC B2960: PASSLOCK(R) Sensor Data Incorrect But Valid
- DTC B3031: Controller In Learn Mode
- DTC B3033: System Indicates Tamper
- Notes On INTERMITTENTS
- System Tests
- Removal & Installation
- Wiring Diagrams
- Keyless Entry System - Remote
- Power Door Lock System
- Description & Operation
- Trouble Shooting
- System Tests
- Notes
- Door Lock Switches Inoperative From Driver & Passenger Doors
- Door Locks Does Not Lock Or Unlock From Liftgate/ENDGATE Lock Switch (Utility)
- Driver-Side Door Will Not Lock Or Unlock
- Door(S) Do Not Unlock
- Door(S) Do Not Lock
- Last Door Lock Feature Inoperative (Utility)
- Lock-Out Prevention Feature Does Not Operate
- Power Door Lock Operates From One Door Only
- Lock Actuator Inoperative From Driver & Passenger Door Switches
- Removal & Installation
- Wiring Diagrams
- Rear Window Release & Liftgate Release - Power
- Anti-Theft System
- Mirrors
- Seats
- Sun Roof/T-Top/Convertible Top
- Power Sun Roof System
- Description & Operation
- Component Locations
- Servicing
- Adjustments
- Trouble Shooting
- System Tests
- Notes
- Sun Roof Inoperative
- Sun Roof Does Not Raise To Vent Position
- Sun Roof Does Not Move To Vent Position
- Sun Roof Does Not Stop At Vent Position
- Sun Roof Does Not Stop At Open Position
- Sun Roof Does Not Stop At Flush Position When Closing From Open Position
- Sun Roof Does Not Lower To Flush Position
- Sun Roof Does Not Stop At Flush Position When Closing Form Vent Position
- Sun Roof Opens Only To Vent
- Sun Roof Makes Unusual Noises When Opening
- Sun Roof Opens Only Part Way
- Removal & Installation
- Wiring Diagrams
- Power Sun Roof System
- Windows
- Power Window System
- Description & Operation
- Component Locations
- Trouble Shooting
- System Tests
- Notes
- 2-Door
- Windows Do Not Operate
- Left Window Inoperative/Right Window Operates Okay
- Right Window Inoperative From Individual Window
- Right Window Inoperative From Both Left & Right Switch/Left Window Operates Okay
- All Windows Do Not Operate
- Left Front Window Inoperative/All Others Okay
- Right Front, Left Rear, Or Right Rear Window Inoperative From Individual Window Switch, But Operates Okay From Left Front Right Front, Left Rear, Or Right Rear Window Inoperative From Individual Window Switch, But Operates Okay From Left Front
- One Window (Other Than Left Front) Is Inoperative From Left Front Window Switch & Individual Window Switch/All Other Windows Operate Okay
- Lock-Out Function Does Not Work But Windows Operate Okay
- Removal & Installation
- Wiring Diagrams
- Power Window System
- Body, Cab Control Systems
- Brakes
- Anti-Lock Brakes
- Anti-Lock Brake System
- Model Identification
- Description
- Operation
- Bleeding Brake System
- Diagnosis & Testing
- Symptom Tests
- Diagnostic Tests
- Notes
- DTC C0221: Right Front Wheel Speed Sensor Circuit Open
- DTC C0222: Right Front Wheel Speed Sensor Signal Missing
- DTC C0223: Right Front Wheel Speed Sensor Signal Erratic
- DTC C0225: Left Front Wheel Speed Sensor Circuit Open
- DTC C0226: Left Front Wheel Speed Sensor Signal Missing
- DTC C0227: Left Front Wheel Speed Sensor Signal Erratic
- DTC C0229: Drop Out Of Front Wheel Speed Sensor Signals
- DTC C0235: Rear Speed Sensor Signal Circuit Open Or Grounded (Gasoline Engines)
- DTC C0235: Rear Speed Sensor Signal Circuit Open Or Grounded (Diesel Engines)
- DTC C0236: Rear Speed Sensor Signal Missing (Gasoline Engines)
- DTC C0236: Rear Speed Sensor Signal Missing (Diesel Engines)
- DTC C0237: Rear Speed Sensor Signal Erratic (Gasoline Engines)
- DTC C0237: Rear Speed Sensor Signal Erratic (Diesel Engines)
- DTC C0238: Wheel Speed Signal Malfunction
- DTC C0241: Right Front Isolation Solenoid Circuit Open
- DTC C0242: Right Front Dump Solenoid Circuit Open
- DTC C0243: Right Front Isolation Solenoid Circuit Shorted
- DTC C0244: Right Front Dump Solenoid Circuit Shorted
- DTC C0245: Left Front Isolation Solenoid Circuit Open
- DTC C0246: Left Front Dump Solenoid Circuit Open
- DTC C0247: Left Front Isolation Solenoid Circuit Shorted
- DTC C0248: Left Front Dump Solenoid Circuit Shorted
- DTC C0251: Rear Isolation Solenoid Circuit Shorted
- DTC C0252: Rear Dump Solenoid Circuit Open
- DTC C0253: Rear Isolation Solenoid Circuit Shorted (Except "L" & "M" Series)
- DTC C0254: Rear Dump Solenoid Circuit Shorted
- DTC C0265: Pump Motor Relay Circuit Open
- DTC C0266: Pump Motor Relay Circuit Shorted
- DTC C0267: Pump Motor Circuit Open (Except "L" & "M" Series)
- DTC C0267: Pump Motor Circuit Open ("L" & "M" Series)
- DTC C0268: Pump Motor Locked Or Pump Motor Circuit Shorted (Except "L" & "M" Series)
- DTC C0268: Pump Motor Locked Or Circuit Shorted ("L" & "M" Series)
- DTC C0269 Or C0274: Excessive Dump/Isolation Time
- DTC C0271, C0272 & C0273: EBCM Internal Fault
- DTC C0281: Stoplight Switch Always Closed Or Shorted
- DTC C0286: Anti-Lock Indicator Light Circuit Shorted To Battery Voltage
- DTC C0288: Brake Warning Light Circuit Shorted To Battery Voltage
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- Anti-Lock Brake System
- Mechanical - Hydraulic
- Disc Brakes - Rear - S & T Series
- Disc Brakes & Drum Brakes
- Model Identification
- Description & Operation
- Bleeding Brake System
- Adjustments
- Testing
- On-Vehicle Service
- Removal & Installation
- Notes
- Electric Automatic Parking Brake ("P" Series MOTORHOME)
- Front Brake Caliper
- Front Brake Rotor
- Removal (All 2WD Vehicles Except Silhouette, Trans Sport & Venture)
- Inspection (All 2WD Vehicles Except Silhouette, Trans Sport & Venture)
- Installation (All 2WD Vehicles Except Silhouette, Trans Sport & Venture)
- Removal & Installation (AWD Astro & Safari, Silhouette, Trans Sport, Venture & K1500 4WD)
- Removal (K2500 & K3500 Series 4WD Vehicles)
- Installation
- Rear Caliper (Disc Brakes - C & K Series)
- Rear Caliper (Disc Brakes - S & T Series)
- Linings(Rear Disc Brakes)
- Rear Brake Rotor
- Rear Brake Drum
- Rear Brake Shoes
- Wheel Cylinder
- Master Cylinder
- Power Brake Booster
- Height-Sensing Proportioning Valve
- 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
- Traction Control
- Anti-Lock Brake System
- Model Identification
- Description
- Operation
- Bleeding Brake System
- Diagnosis & Testing
- Symptom Tests
- Diagnostic Tests
- Notes
- DTC C0221: Right Front Wheel Speed Sensor Circuit Open
- DTC C0222: Right Front Wheel Speed Sensor Signal Missing
- DTC C0223: Right Front Wheel Speed Sensor Signal Erratic
- DTC C0225: Left Front Wheel Speed Sensor Circuit Open
- DTC C0226: Left Front Wheel Speed Sensor Signal Missing
- DTC C0227: Left Front Wheel Speed Sensor Signal Erratic
- DTC C0229: Drop Out Of Front Wheel Speed Sensor Signals
- DTC C0235: Rear Speed Sensor Signal Circuit Open Or Grounded (Gasoline Engines)
- DTC C0235: Rear Speed Sensor Signal Circuit Open Or Grounded (Diesel Engines)
- DTC C0236: Rear Speed Sensor Signal Missing (Gasoline Engines)
- DTC C0236: Rear Speed Sensor Signal Missing (Diesel Engines)
- DTC C0237: Rear Speed Sensor Signal Erratic (Gasoline Engines)
- DTC C0237: Rear Speed Sensor Signal Erratic (Diesel Engines)
- DTC C0238: Wheel Speed Signal Malfunction
- DTC C0241: Right Front Isolation Solenoid Circuit Open
- DTC C0242: Right Front Dump Solenoid Circuit Open
- DTC C0243: Right Front Isolation Solenoid Circuit Shorted
- DTC C0244: Right Front Dump Solenoid Circuit Shorted
- DTC C0245: Left Front Isolation Solenoid Circuit Open
- DTC C0246: Left Front Dump Solenoid Circuit Open
- DTC C0247: Left Front Isolation Solenoid Circuit Shorted
- DTC C0248: Left Front Dump Solenoid Circuit Shorted
- DTC C0251: Rear Isolation Solenoid Circuit Shorted
- DTC C0252: Rear Dump Solenoid Circuit Open
- DTC C0253: Rear Isolation Solenoid Circuit Shorted (Except "L" & "M" Series)
- DTC C0254: Rear Dump Solenoid Circuit Shorted
- DTC C0265: Pump Motor Relay Circuit Open
- DTC C0266: Pump Motor Relay Circuit Shorted
- DTC C0267: Pump Motor Circuit Open (Except "L" & "M" Series)
- DTC C0267: Pump Motor Circuit Open ("L" & "M" Series)
- DTC C0268: Pump Motor Locked Or Pump Motor Circuit Shorted (Except "L" & "M" Series)
- DTC C0268: Pump Motor Locked Or Circuit Shorted ("L" & "M" Series)
- DTC C0269 Or C0274: Excessive Dump/Isolation Time
- DTC C0271, C0272 & C0273: EBCM Internal Fault
- DTC C0281: Stoplight Switch Always Closed Or Shorted
- DTC C0286: Anti-Lock Indicator Light Circuit Shorted To Battery Voltage
- DTC C0288: Brake Warning Light Circuit Shorted To Battery Voltage
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- Anti-Lock Brake System
- Anti-Lock Brakes
- Drivelines & Axles
- Differentials & Drive Axles
- Differentials - EATON Locking
- Drive Axle - 7 5/8", 8.5", 8 5/8" & 9.5" Ring Gears
- Drive Axle - Front - AWD
- Driveshaft & Universal Joints
- Differentials & Drive 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
- Instrument Panel
- Description & Operation
- Service Precautions - Air Bag
- Component Locations
- Trouble Shooting
- Component Testing
- Symptom Testing
- Tachometer Does Not Operate Properly
- Temperature Gauge Does Not Operate Properly
- PRNDL Indicator Does Not Operate Properly
- Fuel Gauge Does Not Operate Properly
- Voltmeter Does Not Operate Properly
- Speedometer Does Not Operate Properly
- Odometer Or TRIPMETER Does Not Illuminate When TRIPMETER Switch Is Pressed With Ignition In Lock
- Odometer Does Not Accumulate Mileage
- TRIPMETER Does Not Accumulate/Retain Mileage
- PRNDL Or Odometer Does Not Perform 2 Second Segment Function Check Or Illuminate At All When Ignition Is On.
- PRNDL & Odometer Displays Do Not Illuminate When Ignition Is On, Unless TRIPMETER Switch Is Pressed.
- Cannot Toggle Between Odometer & TRIPMETER With Ignition On
- IPC Does Not Illuminate With Park Lights Or Headlights On/Illumination Does Not Respond To Dimmer Switch
- No Gear Displayed On PRNDL
- PRNDL Displays All Positions Except Park
- PRNDL Displays Park, But No Other Positions
- PRNDL Displays Incorrect Gear
- Indicator Does Not Operate Properly
- System Testing
- Self-Diagnostic - System
- Testing - Diagnostic
- Removal & Installation
- Wiring Diagrams
- Instrument Panel
- 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
- Cruise Control
- Defoggers
- Engine Performance
- Exterior Lights
- Ground Distribution
- Headlights
- Horn
- Instrument Cluster
- Interior Lights
- Power Distribution
- Power Door Locks
- Power Mirrors
- Power Seats
- Power Top/Sunroof
- 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
- Auxiliary Emission Control Systems
- Emission Control System Visual Inspection Procedures - General Information
- * Please Read This First *
- Emission Control Labels
- Emission Control Visual Inspection
- Notes
- Positive Crankcase Ventilation (PCV)
- Thermostatic Air Cleaner (TAC)
- Fuel Evaporative System (EVAP)
- Catalytic Converters
- Fill Pipe RESTRICTOR (Fr)
- Exhaust Gas RECIRCULATION (EGR) System
- Spark Controls (SPK)
- Air Injection System (AIS)
- Oxygen Sensor (O2)
- Computerized Engine Controls (CEC)
- Early Fuel Evaporation (EFE)
- Emission Maintenance Reminder Light (EMR) (If Equipped)
- Malfunction Indicator Light (Mil)
- Emission Control System Visual Inspection Procedures - General Information
- Cooling System (Mechanical)
- Engine Mechanical - 4.3L V6, 5.0L, 5.7L & 7.4L V8 - VINS [W,X,M,R,J]
- Model Identification
- Engine Identification
- Adjustments
- Trouble Shooting
- Removal & Installation
- Notes
- Power Steering Bleeding
- Cooling System Bleeding
- Fuel Pressure Release
- Engine (4.3L)
- Notes
- Removal (Astro & Safari)
- Installation (Astro & Safari)
- Removal (Commercial Van)
- Installation (Commercial Van)
- Removal (Sierra, & "C" & "K" Pickup)
- Installation (Sierra, & "C" & "K" Pickup)
- Removal (Blazer, Bravada, Jimmy, Sonoma & "S" & "T" Series Pickup)
- Installation (Blazer, Bravada, Jimmy, Sonoma & "S" & "T" Series Pickup)
- Removal (Express, Savana & G-Van)
- Installation (Express, Savana & G-Van)
- Engine (5.0L & 5.7L)
- Engine (7.4L)
- Notes
- Removal & Installation (Commercial Van/Motorhome)
- Installation (Commercial Van/Motorhome)
- Removal (Sierra, Suburban, Tahoe, Yukon & "C" & "K" Series Pickup)
- Installation (Sierra, Suburban, Tahoe, Yukon & "C" & "K" Series Pickup)
- Removal (Express, G-Van & Savana)
- Installation (Express, G-Van & Savana)
- INTAKE MANIFOLD (UPPER) Removal (4.3L)
- Intake Manifold (Upper) Removal (5.0L & 5.7L)
- Intake Manifold (Upper) Installation (4.3L, 5.0L & 5.7L)
- INTAKE MANIFOLD (UPPER) REMOVAl (7.4L)
- Intake Manifold (Upper) Installation (7.4L)
- Intake Manifold (Lower)
- Exhaust Manifold
- Cylinder Head
- Rocker Arms & PUSHRODS
- Front Cover Oil Seal
- Front Cover
- Timing Chain & Sprockets
- Rocker Arm Studs
- Valve Lifters
- Camshaft
- Balance Shaft (4.3L - If Equipped)
- Rear Crankshaft Oil Seal
- Water Pump
- Oil Cooler Lines (RWD)
- Oil Cooler Lines (4WD)
- Oil Filter Adapter
- Oil Pan
- Notes
- Removal (4.3L Astro & Safari)
- Removal (4.3L Commercial Van, 2WD Jimmy & Sonoma, 2WD "S" Series Pickup)
- Removal (4.3L 4WD "T" Series Pickup, Jimmy & Sonoma)
- Installation (4.3L except "C" & "K" Series)
- 4.3L "C" & "K" Series
- 5.0L & 5.7L "C" & "K" Series Pickup, Commercial Van, Escalade, Express, Savana, Suburban, Tahoe & Yukon
- Removal (7.4L Commercial Van/Motorhome & "C" & "K" Series Pickup)
- Removal (7.4L Express, Savana & G-Van)
- Installation (7.4L)
- Overhaul
- Engine Oiling
- Torque Specifications
- Engine Specifications
- General Specifications (4.3L)
- General Specifications (5.0L)
- General Specifications (5.7L)
- General Specifications (7.4L)
- Crankshaft, Main & Connecting Rod Bearings (4.3L)
- Crankshaft, Main & Connecting Rod Bearings (5.0L & 5.7L)
- Crankshaft, Main & Connecting Rod Bearings (7.4L)
- Pistons, Pins & Piston Rings (4.3L)
- Pistons, Pins & Piston Rings (5.0L & 5.7L)
- Pistons, Pins & Piston Rings (7.4L)
- Cylinder Block (4.3L)
- Cylinder Block (5.0L)
- Cylinder Block (5.7L)
- Cylinder Block (7.4L)
- Engine Valves & Valve Springs (4.3L)
- Engine Valves & Valve Springs (5.0L & 5.7L)
- Engine Valves & Valve Springs (7.4L)
- Cylinder Head (4.3L)
- Cylinder Head (5.0L)
- Cylinder Head (5.7L)
- Cylinder Head (7.4L)
- Camshaft (4.3L)
- Camshaft (5.0L & 5.7L)
- Camshaft (7.4L)
- Balance Shaft (4.3L)
- Starter
- Engine Performance
- Engine Mechanical Adjustments - 4.3L
- 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 - Class 2 & GMLAN
- Remove, Overhaul & Install
- Engine Controls - Removal, Overhaul & Installation - 4.3L
- Model Identification
- Introduction
- Computerized Engine Controls
- Ignition System
- Fuel System
- Torque Specifications
- Engine Controls - Removal, Overhaul & Installation - 4.3L
- Engine Controls - Sensor Range Charts - 4.3L
- Specifications
- Engine Controls - Service & Adjustment System Specifications - 4.3L
- Firing Order & Cylinder Identification
- System
- Engine Control System & Engine Component Tests - 4.3L
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Modules, Motors, Relays & Solenoids
- Fuel System
- Ignition System
- Emission Systems & Sub-Systems
- Miscellaneous Pcm/VCM Controls
- Component Locations
- Engine Controls - Basic Diagnostic Procedures - 4.3L
- Engine Controls - Tests W/Codes - 4.3L
- Introduction
- Self-Diagnostic System
- Diagnostic System
- Diagnostic Procedure
- Powertrain On-Board Diagnostic (OBD) System Check
- Mil Inoperative
- DLC Diagnosis Or No Scan Tool Data
- Reading Trouble Codes
- Trouble Code Definition
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes (DTC)
- ECM/Pcm/VCM Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Trouble Codes
- Notes
- DTC P0101 - MAF Sensor System Performance
- DTC P0102 - MAF Sensor Circuit Low Frequency
- DTC P0103 - MAF Sensor Circuit High Frequency
- DTC P0106 - Map Sensor System Performance
- DTC P0107 - Map Sensor Circuit Low Voltage
- DTC P0108 - Map Sensor Circuit High Voltage
- IAT Temperature-To-Resistance Values
- DTC P0112 - IAT Sensor Circuit Low Voltage
- DTC P0113 - IAT Sensor Circuit High Voltage
- ECT Temperature-To-Resistance Values
- DTC P0117 - ECT Sensor Circuit Low Voltage
- DTC P0118 - ECT Sensor Circuit High Voltage
- DTC P0121 - TP Sensor System Performance
- DTC P0122 - TP Sensor Circuit Low Voltage
- DTC P0123 - TP Sensor Circuit High Voltage
- DTC P0125 - ECT Excessive Time To Reach Closed Loop
- DTC P0131 - Ho2S Circuit Low Voltage Bank 1, Sensor 1
- DTC P0132 - Ho2S Circuit High Voltage Bank 1, Sensor 1
- DTC P0133 - Ho2S Slow Response Bank 1, Sensor 1
- DTC P0134 - Ho2S Insufficient Activity Bank 1, Sensor 1
- DTC P0135 - Ho2S Heater Circuit Bank 1, Sensor 1
- DTC P0143 - Ho2S Circuit Voltage Low Bank 1, Sensor 3
- DTC P0144 - Ho2S Circuit High Voltage Bank 1, Sensor 3
- DTC P0146 - Ho2S Insufficient Activity Bank 1, Sensor 3
- DTC P0147 - Ho2S Heater Circuit Bank 1, Sensor 3
- DTC P0151 - Ho2S Circuit Voltage Low Bank 2, Sensor 1
- DTC P0152 - Ho2S Circuit Voltage High Bank 2, Sensor 1
- DTC P0153 - Ho2S Slow Response Bank 2, Sensor 1
- DTC P0154 - Ho2S Insufficient Activity Bank 2, Sensor 1
- DTC P0155 - Ho2S Heater Circuit Bank 2, Sensor 1
- 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-P0306 - Engine Misfire Detected
- DTC P0325 - Knock Sensor Module Circuit
- DTC P0327 - Knock Sensor 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
- DTC P0401 - EGR System Insufficient Flow
- DTC P0404 - EGR Valve Open Pintle Position
- DTC P0405 - EGR Pintle Position Circuit Low Voltage
- DTC P0420 - TWC System Low Efficiency Bank 1
- DTC P0440 - EVAP System
- DTC P0442 - EVAP System (Small Leak Detected)
- DTC P0446 - EVAP System Vent Valve Performance
- DTC P0452 - Fuel Tank Pressure Sensor Low Voltage
- DTC P0453 - Fuel Tank Pressure Sensor Voltage High
- DTC P0461 - Fuel Level Sensor Circuit Malfunction
- DTC P0462 - Fuel Level Sensor Circuit Voltage Low
- DTC P0463 - Fuel Level Sensor Circuit Voltage High
- 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 (ROM)
- DTC P0704 - Clutch Switch Circuit
- DTC P1106 - Map Sensor Circuit Intermittent High Voltage
- DTC P1107 - Map Sensor Circuit Intermittent Low Voltage
- DTC P1111 - IAT Sensor Circuit Intermittent High Voltage
- DTC P1112 - IAT Sensor Circuit Intermittent Low Voltage
- DTC P1114 - ECT Sensor Circuit Intermittent Low Voltage
- DTC P1115 - ECT Sensor Circuit Intermittent High Voltage
- DTC P1121 - TP Sensor Circuit Intermittent High Voltage
- DTC P1122 - TP Sensor Circuit Intermittent Low Voltage
- DTC P1133 - Ho2S Insufficient Switching Bank 1, Sensor 1
- DTC P1134 - Ho2S Transition Time Ratio Bank 1, Sensor 1
- DTC P1153 - Ho2S Insufficient Switching Bank 2, Sensor 1
- DTC P1154 - Ho2S Transition Time Ratio Bank 2, Sensor 1
- DTC P1336 - CKP System Variation Not Learned
- DTC P1345 - Crankshaft/Camshaft Position Sensor Correlation
- DTC P1351 - Ignition Control (Ic) Circuit High Voltage
- DTC P1361 - Ignition Control Circuit Low Voltage
- DTC P1380 - Electronic Brake Control Module (EBCM) DTC Rough Road Data Unstable
- DTC P1381 - Misfire Detected No EBCM/VCM Serial Data
- DTC P1404 - EGR Valve Closed Pintle Position
- DTC P1441 - EVAP System Flow During Non-Purge
- DTC P1508 - IAC System Low Rpm
- DTC P1509 - IAC System High Rpm
- DTC P1621 - VCM EEPROM Performance
- DTC P1626 - Loss Of Serial Communication With VTD
- DTC P1631 - Theft Deterrent System Password Incorrect
- DTC U1026 - Loss Of ATCM Communication
- DTC U1041 - Loss Of EBCM Communication
- DTC U1064 - Loss Of BCM/VTD Communication
- Engine Controls - Tests W/O Codes - 4.3L
- Introduction
- Preliminary Checks
- Symptoms
- 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)
- INTERMITTENTS
- 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 & Engine Component Tests - 4.3L
- Testing & Diagnosis
- Engine Control System & Engine Component Tests - 4.3L
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Modules, Motors, Relays & Solenoids
- Fuel System
- Ignition System
- Emission Systems & Sub-Systems
- Miscellaneous Pcm/VCM Controls
- Component Locations
- Engine Controls - Basic Diagnostic Procedures - 4.3L
- Engine Controls - Tests W/Codes - 4.3L
- Introduction
- Self-Diagnostic System
- Diagnostic System
- Diagnostic Procedure
- Powertrain On-Board Diagnostic (OBD) System Check
- Mil Inoperative
- DLC Diagnosis Or No Scan Tool Data
- Reading Trouble Codes
- Trouble Code Definition
- Hard Or Intermittent Trouble Code Determination
- Clearing Diagnostic Trouble Codes (DTC)
- ECM/Pcm/VCM Location
- Diagnostic Materials
- Special Tools (Diagnostic)
- Scan Tool Usage
- Summary
- Diagnostic Trouble Codes
- Notes
- DTC P0101 - MAF Sensor System Performance
- DTC P0102 - MAF Sensor Circuit Low Frequency
- DTC P0103 - MAF Sensor Circuit High Frequency
- DTC P0106 - Map Sensor System Performance
- DTC P0107 - Map Sensor Circuit Low Voltage
- DTC P0108 - Map Sensor Circuit High Voltage
- IAT Temperature-To-Resistance Values
- DTC P0112 - IAT Sensor Circuit Low Voltage
- DTC P0113 - IAT Sensor Circuit High Voltage
- ECT Temperature-To-Resistance Values
- DTC P0117 - ECT Sensor Circuit Low Voltage
- DTC P0118 - ECT Sensor Circuit High Voltage
- DTC P0121 - TP Sensor System Performance
- DTC P0122 - TP Sensor Circuit Low Voltage
- DTC P0123 - TP Sensor Circuit High Voltage
- DTC P0125 - ECT Excessive Time To Reach Closed Loop
- DTC P0131 - Ho2S Circuit Low Voltage Bank 1, Sensor 1
- DTC P0132 - Ho2S Circuit High Voltage Bank 1, Sensor 1
- DTC P0133 - Ho2S Slow Response Bank 1, Sensor 1
- DTC P0134 - Ho2S Insufficient Activity Bank 1, Sensor 1
- DTC P0135 - Ho2S Heater Circuit Bank 1, Sensor 1
- DTC P0143 - Ho2S Circuit Voltage Low Bank 1, Sensor 3
- DTC P0144 - Ho2S Circuit High Voltage Bank 1, Sensor 3
- DTC P0146 - Ho2S Insufficient Activity Bank 1, Sensor 3
- DTC P0147 - Ho2S Heater Circuit Bank 1, Sensor 3
- DTC P0151 - Ho2S Circuit Voltage Low Bank 2, Sensor 1
- DTC P0152 - Ho2S Circuit Voltage High Bank 2, Sensor 1
- DTC P0153 - Ho2S Slow Response Bank 2, Sensor 1
- DTC P0154 - Ho2S Insufficient Activity Bank 2, Sensor 1
- DTC P0155 - Ho2S Heater Circuit Bank 2, Sensor 1
- 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-P0306 - Engine Misfire Detected
- DTC P0325 - Knock Sensor Module Circuit
- DTC P0327 - Knock Sensor 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
- DTC P0401 - EGR System Insufficient Flow
- DTC P0404 - EGR Valve Open Pintle Position
- DTC P0405 - EGR Pintle Position Circuit Low Voltage
- DTC P0420 - TWC System Low Efficiency Bank 1
- DTC P0440 - EVAP System
- DTC P0442 - EVAP System (Small Leak Detected)
- DTC P0446 - EVAP System Vent Valve Performance
- DTC P0452 - Fuel Tank Pressure Sensor Low Voltage
- DTC P0453 - Fuel Tank Pressure Sensor Voltage High
- DTC P0461 - Fuel Level Sensor Circuit Malfunction
- DTC P0462 - Fuel Level Sensor Circuit Voltage Low
- DTC P0463 - Fuel Level Sensor Circuit Voltage High
- 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 (ROM)
- DTC P0704 - Clutch Switch Circuit
- DTC P1106 - Map Sensor Circuit Intermittent High Voltage
- DTC P1107 - Map Sensor Circuit Intermittent Low Voltage
- DTC P1111 - IAT Sensor Circuit Intermittent High Voltage
- DTC P1112 - IAT Sensor Circuit Intermittent Low Voltage
- DTC P1114 - ECT Sensor Circuit Intermittent Low Voltage
- DTC P1115 - ECT Sensor Circuit Intermittent High Voltage
- DTC P1121 - TP Sensor Circuit Intermittent High Voltage
- DTC P1122 - TP Sensor Circuit Intermittent Low Voltage
- DTC P1133 - Ho2S Insufficient Switching Bank 1, Sensor 1
- DTC P1134 - Ho2S Transition Time Ratio Bank 1, Sensor 1
- DTC P1153 - Ho2S Insufficient Switching Bank 2, Sensor 1
- DTC P1154 - Ho2S Transition Time Ratio Bank 2, Sensor 1
- DTC P1336 - CKP System Variation Not Learned
- DTC P1345 - Crankshaft/Camshaft Position Sensor Correlation
- DTC P1351 - Ignition Control (Ic) Circuit High Voltage
- DTC P1361 - Ignition Control Circuit Low Voltage
- DTC P1380 - Electronic Brake Control Module (EBCM) DTC Rough Road Data Unstable
- DTC P1381 - Misfire Detected No EBCM/VCM Serial Data
- DTC P1404 - EGR Valve Closed Pintle Position
- DTC P1441 - EVAP System Flow During Non-Purge
- DTC P1508 - IAC System Low Rpm
- DTC P1509 - IAC System High Rpm
- DTC P1621 - VCM EEPROM Performance
- DTC P1626 - Loss Of Serial Communication With VTD
- DTC P1631 - Theft Deterrent System Password Incorrect
- DTC U1026 - Loss Of ATCM Communication
- DTC U1041 - Loss Of EBCM Communication
- DTC U1064 - Loss Of BCM/VTD Communication
- Engine Controls - Tests W/O Codes - 4.3L
- Introduction
- Preliminary Checks
- Symptoms
- 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)
- INTERMITTENTS
- 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 & Engine Component Tests - 4.3L
- Theory and Operation
- Engine Controls - Theory & Operation - 4.3L
- Introduction
- Air Induction System
- Computerized Engine Controls
- Notes
- Powertrain Control Module (Pcm) & Vehicle Control Module VCM)
- Input Devices
- Notes
- A/C On (A/C Request) Signal
- Battery Voltage
- Brake Switch Feedback
- Camshaft Position (CMP) Sensor
- Cranking Signal
- Crankshaft Position (CKP) Sensor
- Digital Ratio Adapter Controller (DRAC)
- Engine Coolant Temperature (ECT) Sensor
- Exhaust Gas Recirculation (EGR) Pintle Position
- Fuel Pump Feedback
- Gear Switches
- Intake Air Temperature (IAT) Sensor
- Knock Sensor (KS)
- Manifold Absolute Pressure (MAP) Sensor
- Oxygen Sensor (O2S)
- Park/Neutral Position (PNP) Switch
- Transmission Fluid Pressure (TFP) Switch (4L60-E & 4L80-E Transmission)
- Throttle Position (TP) Sensor
- Transmission Fluid Temperature (TFT) Sensor (4L60-E, 4L80-E & 4T60-E Transmission)
- Vehicle Speed Sensor (VSS)
- 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 (4L60-E, 4L80-E & 4T60-E Transmission)
- Torque Converter Clutch (TCC)
- Transmission Shift Light (Manual Transmission)
- Fuel System
- Ignition System
- Emission Systems
- Self-Diagnostic System
- Miscellaneous Pcm/VCM Controls
- Engine Controls - Theory & Operation - 4.3L
- Engine Vacuum Diagrams - 4.3L
- Engine Performance - Wiring Diagrams - 4.3L
- 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
- Computer Relearn Procedures
- Notes
- "C" & "K" Bodies
- Notes
- 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 (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)
- Password Learn Procedure For Anti-Theft System (4.3L, 5.0L, 5.7L & 7.4L)
- Password Learn Procedure For Anti-Theft System (6.5L Diesel)
- Vehicle Driveability Computer Relearn Procedure (4.3L, 5.0L, 5.7L & 7.4L)
- Vehicle Driveability Computer Relearn Procedure (6.5L Diesel)
- "G" Body
- Notes
- 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 (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)
- "J" Body
- "M" & "L" Bodies
- "P" Body
- Notes
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (4.3L & 5.7L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (7.4L)
- Powertrain Control Module (PCM) Programming (6.5L Non-Turbo Diesel With Electronic Fuel Injection (EFI) & 6.5L Turbo Diesel)
- TDC Offset Learn Procedure (6.5L Diesel)
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (4.3L, 5.7L & 7.4L Except Calif.)
- Vehicle Driveability Computer Relearn Procedure (4.3L, 5.7L & 7.4L)
- Vehicle Driveability Computer Relearn Procedure (6.5L Diesel)
- "S" & "T" Bodies
- Notes
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (2.2L)
- Electronically Erasable Programmable Read Only Memory (EEPROM) Programming (4.3L)
- Crankshaft Position (CKP) Sensor Variation Learn Procedure (2.2L & 4.3L)
- Password Learn Procedure For Anti-Theft System (2.2L)
- Password Learn Procedure For Anti-Theft System (4.3L)
- Vehicle Driveability Computer Relearn Procedure (2.2L)
- Vehicle Driveability Computer Relearn Procedure (4.3L)
- "U" Body
- 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
- Supplemental Inflatable Restraint System Component Inspection & Replacement Tables.
- Supplemental Inflatable Restraint System Deactivation Procedures
- Special Care During Mechanical Repairs
- CHRYSLER Corp.
- Ford Motor Co.
- Notes
- System Operation Check
- Service Precautions
- Disabling & Activating Air Bag System
- Notes
- Disabling System (Continental, Crown Victoria, Grand Marquis & Town Car)
- Activating System
- Disabling System (Contour, Mystique & Windstar)
- Disabling System (Escort, Escort Coupe, "F" Series Pickups & Tracer)
- Disabling System ("E" Series Vans With One Battery)
- Disabling System ("E" Series Vans With Dual Batteries)
- Disabling System (Explorer, Expedition, Mountaineer, Navigator & Ranger)
- Disabling System (Mark VIII, Mustang, Sable & Taurus)
- Disabling System (Villager)
- Driver-Side Air Bag Module
- Removal & Installation (Expedition, Explorer, "E" Series Vans, "F" Series Pickups, Mountaineer, Navigator & Ranger)
- Removal & Installation (Continental, Crown Victoria, Grand Marquis, Mark VIII, Mustang, Sable, Taurus & Town Car)
- Removal & Installation (Contour & Mystique)
- Removal & Installation (Escort, Escort Coupe & Tracer)
- Removal & Installation (Windstar)
- Passenger-Side Air Bag Module
- Removal & Installation (Continental, Crown Victoria, Grand Marquis & Town Car)
- Removal & Installation (Contour & Mystique)
- Removal & Installation ("E" Series Vans)
- Removal & Installation (Expedition, "F" Series Pickups & Navigator)
- Removal & Installation (Explorer & Mountaineer)
- Removal & Installation (Escort, Escort Coupe & Tracer)
- Removal & Installation (Mark VIII)
- Removal & Installation (Mustang & Ranger)
- Removal & Installation (Sable & Taurus)
- Removal & Installation (Windstar)
- Torque Specifications
- General Motors
- Notes
- System Operation Check
- Service Precautions
- Disabling & Activating Air Bag System
- Notes
- Disabling & Activating System (Corvette)
- Disabling & Activating System (Catera)
- Disabling & Activating System (Concours, DeVille, Eldorado & Seville)
- Disabling & Activating System (Cutlass & Malibu)
- Disabling & Activating System (Grand Prix)
- Disabling & Activating System (Lumina & Monte Carlo)
- Disabling & Activating System (Metro, Firefly (Canadian) & Tracker)
- Disabling & Activating System (Prizm)
- Disabling & Activating System (Saturn)
- Disabling & Activating System (Silhouette, Trans Sport & Venture)
- Disabling & Activating System (All Other Models)
- Jeep
- 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
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- A/C Compressor
- General Servicing
- Cabin Air Filter (Special Applications) - General Information
- HVAC System - Compressor Servicing
- HVAC System - General Servicing
- HVAC System - Specifications
- HVAC System Compressor Refrigerant Oil Checking
- HVAC Control Systems
- Heater System
- Heater System - Troubleshooting
- HVAC System - Automatic
- A/C System Specifications
- Description
- Operation
- Trouble Shooting
- Testing
- Notes
- A/C System Performance
- Retrieving Diagnostic Trouble Codes
- Clearing Trouble Codes
- Code B0160: Ambient (Outside) Air Temperature Sensor Circuit Low
- Code B0161: Ambient (Outside) Air Temperature Sensor Circuit High
- Code B0165: Passenger Compartment Temperature Sensor No. 1 Circuit Low
- Code B0166: Passenger Compartment Temperature Sensor No. 1 Circuit High
- Code B0175: Outlet Air Temperature Sensor No. 1 (Upper) Circuit Low
- Code B0176: Outlet Air Temperature Sensor No. 1 (Upper) Circuit High
- Code B0180: Outlet Air Temperature Sensor No. 2 (Lower) Circuit Low
- Code B0181: Outlet Air Temperature Sensor No. 2 (Lower) Circuit High
- Code B0185: Solar Load Sensor Circuit Low
- Code B0186: Solar Load Sensor Circuit High
- Code B0408: Temperature Control No. 1 (Main) Circuit Malfunction
- Code B0415: Temperature Control No. 1 Circuit Low (Feedback Circuit Low)
- Code B0416: Temperature Control No. 1 Circuit Low (Feedback Circuit High)
- Removal & Installation
- Vacuum Hose Diagram(S)
- Wiring Diagrams
- HVAC System - Manual
- A/C System Specifications
- Description
- Operation
- Trouble Shooting
- Notes
- Blower Motor Inoperative
- Blower Motor Does Not Operate In High Speed
- Blower Motor Does Not Operate In Medium-Low Speed
- Blower Motor Does Not Operate In Medium-High Speed
- Blower Motor Does Not Operate In Low Speed
- Blower Motor Operates In High Speed Only
- Blower Motor Operates At Low Speed Regardless Of Switch Position
- Testing
- Removal & Installation
- Torque Specifications
- Vacuum Hose Diagram(S)
- Wiring Diagrams
- HVAC System - Manual - Trouble Shooting
- Model Identification
- Refrigerant System Diagnosis
- Heater System Diagnosis
- Heater Output Temperature Check
- Functional Test
- Insufficient Cooling (CCOT System)
- Checking Refrigerant Charge - Step 2 (V5/TXV System)
- Checking Compressor Clutch Engagement - Step 3 (V5/TXV System)
- Checking System Performance - Step 4 (V5/TXV System)
- Performance Diagnostic Chart - Step 5 (V5/TXV System)
- Diagnostic Code Procedures - Step 6 (V5/TXV System)
- Checking For No Stroke Compressor - Step 7 (V5/TXV System)
- Control Valve Diagnosis - Step 8 (V5/TXV System)
- Checking Refrigerant Charge - Step 2 (V5/VDOT System)
- Checking Compressor Clutch Engagement - Step 3 (V5/VDOT System)
- Checking System Performance - Step 4 (V5/VDOT System)
- CHECKING SYSTEM PERFORMANCE - STEP 4 (Cont.) (V5/VDOT SYSTEM)
- Right Area Diagnosis & Service - Step 5 (V5/VDOT System)
- Left Area Diagnosis & Service - Step 6 (V5/VDOT System)
- Control Valve Diagnosis - Step 7 (V5/VDOT System)
- Insufficient Heat Or Defrosting (Manual A/C-Heater Systems Only)
- Temperature Control Diagnosis (Manual A/C-Heater Systems Only)
- Blower Noise Diagnosis
- Operational Testing
- Electrical Trouble Shooting
- Maintenance
- Procedures
- Maintenance Information
- Model Identification
- Maintenance Service Interval Definitions
- Service Point Locations
- Wheel & Tire Specifications
- Battery Specifications
- Cautions & Warnings
- Supplemental Restraint System (Air Bag)
- Air Conditioning Servicing
- Anti-Lock Brake System
- Axle Lubricants
- Replacing Blown Fuses
- Battery Warning
- Brake Pad Wear Indicator
- Catalytic Converter
- Coolant
- Electrostatic Discharge Sensitive (ESD) Parts
- Fuel System Service
- Halogen Bulbs
- Methanol Gasoline
- Radiator Cap
- Radiator Fan
- Warranty Information
- Notes
- Bumper-To-Bumper Plus Coverage Limited Warranty
- Tire Coverage
- Corrosion & Rust-Through Coverage (All Models)
- Supplemental Inflatable Restraint Coverage (All Models)
- Emissions "Defect" & "Performance" Warranties (Except CALIFORNIA)
- Emission "Performance" Warranty (CALIFORNIA)
- Emission "Defect" Warranty (CALIFORNIA)
- Towing
- Fuses & Circuit Breakers
- Maintenance Information
- Procedures
- Restraints
- Air Bag, SRS
- Supplemental Inflatable Restraint System
- Description & Operation
- Component Location
- Service Precautions
- Disabling & Activating Air Bag System
- Post-Collision Inspection
- Adjustments
- Disposal Procedures
- Removal & Installation
- Testing - System Operation Check
- Diagnosis & Testing
- Testing - Diagnostic
- Notes
- Sir Diagnostic System Check
- SDM Integrity Check
- Air Bag Warning Light Comes On Steady
- Air Bag Warning Light Does Not Come On
- DTC B1015: Passenger Deployment Loop Resistance High
- DTC B1016: Passenger Deployment Loop Resistance Low
- DTC B1017: Passenger Deployment Loop Open
- DTC B1018: Passenger Deployment Loop Short To Ground
- DTC B1019: Passenger Deployment Loop Short To Voltage
- DTC B1021: Driver Deployment Loop Resistance High
- DTC B1022: Driver Deployment Loop Resistance Low
- DTC B1024: Driver Deployment Loop Short To Ground
- DTC B1025: Driver Deployment Loop Short To Voltage
- DTC B1026: Driver Deployment Loop Open
- DTC B1035: Discriminating Sensor Closed Or Short To Ground
- DTC B1036: Discriminating Sensor Open Or Short To Voltage
- DTC B1051: Deployment Commanded
- DTC B1053: Deployment Commanded With Loop Malfunction
- DTC B1054: Passenger-Side Air Bag Switch Circuit Failure
- DTC B1061: Air Bag Warning Light Circuit Failure
- DTC B1071: Internal SDM Failure
- Wire Repair
- Torque Specifications
- Wiring Diagrams
- Supplemental Inflatable Restraint System
- Air Bag, SRS
- Steering
- Manual Steering
- Four Wheel Drive Steering Knuckles
- Power Recirculating Ball Steering
- Power Steering
- Four Wheel Drive Steering Knuckles
- Power Recirculating Ball Steering
- Steering Wheel And Steering Column
- Manual Steering
- Suspension
- FRONT SUSPENSION - 4WD Torsion Bar
- Rear Suspension
- Description & Operation
- Adjustments & Inspection
- Removal & Installation
- Torque Specifications
- Special Tools
- Wheel Alignment Specifications & Adjustment Procedures
- Model Identification
- Ride Height
- Jacking & Hoisting
- Wheel Alignment Procedures
- Pre-Alignment Checks
- Camber & Caster Adjustment
- "C", "G" & "K" Series Except 1999 Sierra & Silverado C1500 & C2500 (Caster Adjustment)
- "C", "G" & "K" Series Except 1999 Sierra & Silverado C1500 & C2500 (Camber Adjustment)
- "C", "G", "K" & "P" (Frame Angle)
- "C", "G" & "K" Series (Frame Bracket Slot Removal)
- 1999 Sierra & Silverado C1500 & C2500 (Caster Adjustment)
- 1999 Sierra & Silverado C1500 & C2500 (Camber Adjustment)
- "L", "P" & "S" Series (Caster & Camber)
- "M" & "T" Series (Caster & Camber)
- Tracker (Caster & Camber)
- "U" Series (Caster)
- "U" Series (Camber)
- Toe-In Adjustment
- Torque Specifications
- Wheel Alignment Specifications
- Transmission
- Automatic Trans
- Automatic Transmission Diagnosis - 4L60-E (4.3L)
- Application
- Description
- Operation
- Component Description
- Electronic Self-Diagnostics
- Electronic Testing
- Diagnostic Tests
- Diagnostic Tests Description
- Using Diagnostic Tests & Wiring Diagrams
- On-Board Diagnostic (OBD) System Check
- DTC P0218: Transmission Fluid OVERTEMP
- DTC P0502: Vehicle Speed Sensor Circuit (Low Input)
- DTC P0503: Vehicle Speed Sensor Circuit (Intermittent)
- DTC P0711: Trans. Fluid Temperature (TFT) Sensor Circuit
- DTC P0712: Trans. Fluid Temperature (TFT) Sensor Circuit
- DTC P0713: Trans. Fluid Temperature (TFT) Sensor Circuit
- DTC P0719: Brake Switch Circuit Low Input (Switch Stuck On)
- DTC P0724: Brake Switch Circuit High Input (Switch Stuck Off)
- DTC P0740: TCC Solenoid Electrical Malfunction
- DTC P0742: TCC Circuit Inoperative (Stuck On)
- DTC P0748: Pressure Control Solenoid (PCS) Electrical
- DTC P0751: 1-2 Shift Solenoid ("A") Performance Malfunction
- DTC P0753: 1-2 Shift Solenoid ("A") Electrical Malfunction
- DTC P0756: 2-3 Shift Solenoid ("B") Performance Malfunction
- DTC P0758: 2-3 Shift Solenoid ("B") Electrical Malfunction
- DTC P0785: 3-2 Shift Solenoid Electrical Malfunction
- DTC P1810: Transmission Fluid Pressure (TFP) Position Switch
- DTC P1860: TCC PWM Solenoid Electrical Malfunction
- DTC P1870: Transmission Component Slipping
- DTC P1875: 4WD Low Circuit Malfunction
- Technical Service Bulletins
- Wiring Diagrams
- Automatic Transmission Overhaul - 4L60-E
- Application
- Identification
- Description
- Lubrication & Adjustments
- On-Vehicle Service
- Trouble Shooting
- Notes
- Symptom Diagnosis
- 1st Gear Only, No Upshift
- Slips In 1st Gear
- Slipping Or Rough 1-2 Shift
- Slipping, Rough Or No 2-3 Shift
- 1st & 4th Or 2nd & 3rd Gear Only
- 3rd Gear Only
- 3-2 Flare Or Tie Up
- Slipping, Rough Or No 3-4 Shift
- No Reverse Or Slips In Reverse
- No Part-Throttle Or Delayed Downshifts
- Harsh Garage Shifts
- No Overrun Braking In Manual 3-2-1
- Drives (Creeps) In Neutral
- Starts In 2nd In "D"
- No Park
- Oil Pressure High Or Low
- Harsh Shifts
- High Or Low Shift Points
- No Converter Clutch Apply
- Converter Shudder
- No Converter Clutch Release
- Converter Clutch Applies When Cold
- Ratcheting Noise
- Oil Leaking Out Vent
- Vibration In Reverse & Whining Noise In Park
- Front Oil Leak
- Pump Bushing Spins Out, "Walks" Into Seal, Or Seizes To Converter Hub
- Falls Out Of 4th Gear During Coasting
- Binds Up On 3-4 Shift (Feels Like Brake Drag)
- No Forward Or Reverse Gears (Line Pressure Reading Okay)
- Binds Up In Reverse
- No Drive In "D" Range
- No Drive In "OD" Range
- Clutch & Band Application
- Torque Converter
- Electronic Self-Diagnostics & Electronic Testing
- Testing
- Removal & Installation
- Transmission Disassembly
- Cleaning & Inspection
- Component Disassembly & Reassembly
- Transmission Reassembly
- Technical Service Bulletins
- Transmission Specifications
- Torque Specifications
- Automatic Transmission Removal & Installation
- Automatic Transmission Servicing
- Model Identification
- Application
- Oil Pan Gasket Identification
- Lubrication
- Service Intervals
- Transaxle ("U" Series)
- Transmission (Astro, Blazer, Bravada, Envoy, Jimmy, Safari, Sonoma & S10 Pickup)
- Transmission ("C" & "K" Series, Escalade, Express, Savanna, Sierra, Silverado, Suburban, Tahoe & Yukon)
- Transmission ("P" Series)
- Transmission (Tracker)
- Transfer Case (Except Tracker)
- Transfer Case (Tracker)
- Checking Fluid Level
- Recommended Fluid
- Fluid Capacity
- Draining & Refilling
- Service Intervals
- Adjustments
- Torque Specifications
- Shift Interlock Systems
- Automatic Transmission Diagnosis - 4L60-E (4.3L)
- Automatic Transmission Hydraulic Diagrams - 4L60-E
- Transfer Case
- Transfer Case - Diagnosis - New Venture 136
- Description
- Operation
- Self-Diagnostic System
- Diagnosis & Testing
- Scan Tool Display Data
- Control Module Data Information
- Scan Tool Data Definitions
- Notes
- Throttle Position (TP) Sensor
- Front Propshaft (Drive Shaft) Speed
- Rear Propshaft (Drive Shaft) Speed
- ATC Slip Speed
- Slip Adapt Mode
- Slip Adapt PWM
- Current Slip Adapts
- Last Adapt Highest PWM
- Throttle Anticipation Mode
- Current Throttle Anticipation
- Ignition 3
- Ignition Cycles Since 12V Low
- Command Mode Indicator
- Encoder Gear Position
- Mode Switch Selected
- Transfer Case Lock
- Front Axle Switch
- Front Axle Requested
- Park Switch
- DTC Tests
- DTC C0300: Rear Speed Sensor Malfunction
- DTC C0305: Front Speed Sensor Malfunction
- DTC C0308: Shift Motor Circuit Low
- DTC C0309: Shift Motor Circuit High
- DTC C0310: Shift Motor Circuit Open
- DTC C0315: Shift Motor Ground Circuit Open
- DTC C0374: General System Malfunction
- DTC C0376: Front/Rear Drive Shaft Speed Mismatch
- DTC C0550: Ecu Malfunction
- DTC C0611: VIN Information Error
- DTC C0895: Device Voltage Malfunction
- Symptom Tests
- Removal & Installation
- Wiring Diagrams
- Transfer Case - Overhaul - New Venture 136
- Transfer Case - Diagnosis - New Venture 136
- Automatic Trans
- External Pages