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
Electrical Component Locations
Technical Bulletins
Wiring Diagrams
- Accessories & Equipment
- Cruise Control Systems
- Gauges & Instrument Panels
- Description
- Operation
- Brake Warning Light System
- Charging System Warning Light
- Coolant Temperature Gauge
- Fuel Gauge
- Glow Plugs Light
- Low Coolant Indicator
- Oil Pressure Gauge
- Parking Brake Warning Light
- Service Engine Soon Light
- Service Fuel Filter Or Water In Fuel Warning Light
- Service Throttle Soon Warning Light
- Speedometer/Odometer
- Vehicle Speed Sensor
- Voltmeter
- Testing
- Removal & Installation
- Wiring Diagrams
- Steering Column Switches
- Wiper/Washer Systems
- Brakes
- Mechanical - Hydraulic
- BENDIX - Hydro-Boost Power Brake Booster
- Disc & Drum Brake System
- Model Identification
- Description & Operation
- Bleeding Brake System
- Adjustments
- Testing
- Removal & Installation
- Automatic Parking Brake ("P" Series MOTORHOME)
- Front Brake Caliper
- Front Brake Rotor
- Rear Brake Caliper
- 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
- Torque Specifications
- Drum Brake Specifications
- Disc Brake Specifications
- Mechanical - Hydraulic
- Drivelines & Axles
- Differentials & Drive Axles
- Drive Axle - DANA 9.75", 10.5" & 11" (Full-Floating)
- Drive Axle - EATON Locking Differential Type
- Drive Axle Ratio Identification
- Driveshaft & Universal Joints
- Differentials & Drive Axles
- Electrical
- Charging Systems
- Alternator & Regulator
- Description (Alternator & Regulator)
- Operation (Alternator & Regulator)
- Adjustments (Alternator & Regulator)
- Trouble Shooting (Alternator & Regulator)
- On-Vehicle Testing (Alternator & Regulator)
- Bench Testing (Cs144)(Alternator & Regulator)
- Removal & Installation (Alternator & Regulator)
- Overhaul (Alternator & Regulator)
- Specifications (Alternator & Regulator)
- Wiring Diagrams (Alternator & Regulator)
- Alternator & Regulator
- Component Locations
- Gauges
- Instrument Panel
- Description
- Operation
- Brake Warning Light System
- Charging System Warning Light
- Coolant Temperature Gauge
- Fuel Gauge
- Glow Plugs Light
- Low Coolant Indicator
- Oil Pressure Gauge
- Parking Brake Warning Light
- Service Engine Soon Light
- Service Fuel Filter Or Water In Fuel Warning Light
- Service Throttle Soon Warning Light
- Speedometer/Odometer
- Vehicle Speed Sensor
- Voltmeter
- Testing
- Removal & Installation
- Wiring Diagrams
- Instrument Panel
- Starter
- Wiring Diagrams
- Charging Systems
- Engine Mechanical
- Accessory Drive Belts
- Drive Belt Routing
- Belt Adjustment
- Serpentine Belt Routing
- Notes
- Serpentine Belt Routing (4.3L, 5.0L & 5.7L)
- Serpentine Belt Routing (7.4L, "C" 15)
- Serpentine Belt Routing (7.4L, C/K 25 & 35)
- Serpentine Belt Routing (6.5L Diesel "C" & "K")
- Serpentine Belt Routing (6.5L Diesel P3 & P/G)
- Serpentine Belt Routing ("G" Series With 4.3L, 5.0L & 5.7L)
- Serpentine Belt Routing ("G" Series With 7.4L)
- Drive Belt Routing
- Auxiliary Emission Control Systems
- Engine Cooling Fan
- Cooling System (Mechanical)
- Cooling System Specifications
- Drive Belt Routing
- Belt Adjustment
- Serpentine Belt Routing
- Notes
- Serpentine Belt Routing (4.3L, 5.0L & 5.7L)
- Serpentine Belt Routing (7.4L, "C" 15)
- Serpentine Belt Routing (7.4L, C/K 25 & 35)
- Serpentine Belt Routing (6.5L Diesel "C" & "K")
- Serpentine Belt Routing (6.5L Diesel P3 & P/G)
- Serpentine Belt Routing ("G" Series With 4.3L, 5.0L & 5.7L)
- Serpentine Belt Routing ("G" Series With 7.4L)
- Mechanical
- 4.3L V6 - VIN [Z]
- Engine Identification
- Adjustments
- Removal & Installation
- Overhaul
- Lubrication
- Engine Cooling
- Torque Specifications
- Engine Specifications
- 5.0L V8 - VIN [H]
- Engine Identification
- Adjustments
- Removal & Installation
- Overhaul
- Lubrication
- Torque Specifications
- Engine Specifications
- 5.7L V8 - VIN [K]
- Engine Identification
- Adjustments
- Removal & Installation
- Overhaul
- Lubrication
- Engine Cooling
- Torque Specifications
- Engine Specifications
- 6.5L V8 Diesel & Turbo Diesel - VINS [F,P,S,Y]
- Engine Identification
- Adjustments
- Trouble Shooting
- Removal & Installation
- Overhaul
- Lubrication
- Torque Specifications
- Engine Specifications
- 7.4L V8 - VIN [N]
- Engine Identification
- Adjustments
- Removal & Installation
- Overhaul
- Lubrication
- Engine Cooling
- Torque Specifications
- Engine Specifications
- 4.3L V6 - VIN [Z]
- Starter
- Accessory Drive Belts
- Engine Performance
- Adjustment
- Application
- Emissions
- EGR Function Testing - General Motors Trucks
- Emission Applications - Diesel
- 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
- Engine Controls - Pin Voltage Charts
- Remove, Overhaul & Install
- Engine Controls - Remove/Install/Overhaul
- Introduction
- On-Vehicle Adjustments
- Powertrain Control Module (Pcm)
- Electronic Spark Control (ESC) Module
- Fuel System (Gasoline)
- Fuel System (Diesel)
- Ignition System
- Throttle Position (TP) Sensor
- Oxygen Sensor
- Torque Specifications
- Engine Controls - Remove/Install/Overhaul
- Sensor Range Charts
- Specifications
- System
- Engine Controls - Basic Testing - 6.5L Diesel
- Model Identification
- Introduction
- Preliminary Inspection & Adjustments
- A-3, No-Start Diagnosis
- Basic Fuel System Checks
- Diagnostic Circuit Check
- Summary
- Wiring Diagrams
- Blazer, Pickup, Sierra, Suburban & YUKON - 6.5L With M/T
- Blazer, Pickup, Sierra, Suburban & YUKON - 6.5L With 4L60-E
- Blazer, Pickup, Sierra, Suburban & YUKON - 6.5L With 4L80-E
- "G" Series Van (VIN P) - 6.5L With 4L60-E
- "G" Series Van (VIN Y) - 6.5L With 4L80-E
- "P" Series - Commercial Van (VIN F) - 6.5L With 4L80-E
- "P" Series - Commercial Van (VIN Y) - 6.5L With 4L80-E
- Engine Controls - Basic Testing - Gasoline
- Engine Controls - System/Component Tests - 6.5L Diesel
- Model Identification
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Relays, Solenoids, Motors & Modules
- Fuel System
- Emission Systems & Sub-Systems
- Miscellaneous ECM Controls
- Diagnostic Charts
- Component Locations
- Wiring Diagrams
- Blazer, Pickup, Sierra, Suburban & YUKON With M/T
- Blazer, Pickup, Sierra, Suburban & YUKON With 4L60-E
- Blazer, Pickup, Sierra, Suburban & YUKON With 4L80-E
- "P" Series Commercial Van - VIN F With 4L80-E
- "P" Series Commercial Van - VIN Y With 4L80-E
- "G" Series Van - VIN P With 4L60-E
- "G" Series Van - VIN Y With 4L80-E
- Engine Controls - System/Component Tests - Gasoline
- Model Identification
- Introduction
- Computerized Engine Controls
- Engine Sensors & Switches
- Relays, Solenoids, Motors & Modules
- Fuel System
- Ignition System
- Emission Systems & Sub-Systems
- Miscellaneous ECM Controls
- Diagnostic Charts
- Component Locations
- Wiring Diagrams
- Engine Controls - Tests W/Codes - 5.7L
- Introduction
- Self-Diagnostic System
- Trouble Code Charts
- Notes
- Code 13, Open Oxygen Sensor Circuit
- Code 14, Coolant Sensor Signal Voltage Low
- Code 15, Coolant Sensor Signal Voltage High
- Code 16, VSS Buffer Fault - "G" Series
- Code 21, TPS Signal Voltage High
- Code 22, TPS Signal Voltage Low
- Code 24, VSS - "C" & "K" Series 5.7L M/T
- Code 24, VSS Transmission Output Signal "G" Series
- Code 31, Engine Speed Governor - 5.7L "G" Series
- Code 32, EGR Circuit Error With Linear EGR
- Code 32, EGR Circuit Error - "C" & "K" Series M/T
- Code 32, EGR Circuit Error - Models Using Manifold Vacuum, 2-Terminal Solenoid & BACKPRESSURE EGR
- Code 32, EGR CKT Error Models Using Ported Vacuum & EVRV Sol
- Code 33, Map Sensor Signal Voltage High
- Code 34, Map Sensor Signal Voltage Low
- Code 35, Idle Speed Error
- Code 36, Idle SPD Actuator Fault - "C", "K" & "P" Series A/T
- Code 42 - Ignition Control
- Code 43, Knock Sensor W/O Spark Module (Single Sensor) - "C", "G", "K" & "P" Series A/T
- Code 43, Knock Sensor With Spark Control Module
- Code 44, Lean Exhaust Indication
- Code 45, Rich Exhaust Indication
- Code 51, Prom Error (Faulty Or Incorrect Prom)
- Code 52, Faulty CALPAK
- Code 53, System OVERVOLTAGE
- Code 55, ECM/Pcm Error
- Code 54, Fuel Pump Circuit
- Summary
- Engine Controls - Tests W/Codes - 6.5L Diesel
- Introduction
- Self-Diagnostic System
- Diagnostic Trouble Code Charts
- Notes
- Diagnostic System Check
- Chart A-1 - No Mil (Service Engine Soon Light)
- Chart A-2 - No Scan Data, Mil (SES) On At All Times Or Will Not Flash Mil
- Chart A-3 - Engine Cranks But Will Not Run
- EGR Control Pressure/BARO Sensor Output Check
- DTC 13 - Engine Shutoff Solenoid Circuit Fault
- DTC 14 - ECT Sensor Circuit Low (High Temperature Indicated)
- DTC 15 - ECT Sensor Circuit High (Low Temperature Indicated)
- DTC 16 - Vehicle Speed Signal Buffer Fault
- DTC 17 - High Resolution Circuit Fault
- DTC 18 - Pump Cam Reference Pulse Error
- DTC 19 - Crankshaft Position Reference Error
- DTC 21 - App No. 1 Circuit High (Models With Pcm)
- DTCS 21/22, TP Sensor Circuit High/Low (4L80-E With TCM)
- DTC 22 - App No. 1 Circuit Low (Models With Pcm)
- DTC 23 - Accelerator Pedal Pos (App) No. 1 CKT Range Fault
- DTC 25 - Accelerator Pedal Position (App) No. 2 Circuit High
- DTC 26 - Accelerator Pedal Position (App) No. 2 Circuit Low
- DTC 27 - Accelerator Pedal Pos (App) No. 2 CKT Range Fault
- DTC 29 - Glow Plug Relay Circuit Fault
- DTC 31 - EGR CNTRL Pressure/BARO Sensor CKT Low (High Vacuum)
- DTC 32 - EGR Circuit Error - "G" Series
- DTC 33 - EGR CNTRL Pressure/BARO Sensor CKT High (Low Vacuum)
- DTC 34 - Injection Timing Stepper (Its) Motor Circuit Fault
- DTC 35 - Injection Pulse Width Error (Response Time Short)
- DTC 36 - Injection Pulse Width Error (Response Time Long)
- DTC 41 - Brake Switch Circuit Fault - "G" Series
- DTC 41 - Brake Switch Circuit Fault - "P" Series
- DTC 42 - Fuel Temperature CKT Low (High Temp Indicated)
- DTC 43 - Fuel Temperature CKT High (Low Temp Indicated)
- DTC 44 - EGR Pulse Width Error - "G" Series
- DTC 45 - EGR Vent Error - "G" Series
- DTC 46 - Mil (Service Engine Soon Light) Circuit Fault
- DTC 47 - IAT Sensor Circuit Low (High Temperature Indicated)
- DTC 48 - IAT Sensor Circuit High (Low Temperature Indicated)
- DTC 49 - Mil (Service Throttle Soon Light) Circuit Fault
- DTC 51 - Prom Problem (Faulty Or Incorrect Prom)
- DTC 54 - Pcm Fuel Circuit Error
- DTC 56 - Injection Pump Calibration Resistor Error
- DTC 57 - Pcm 5-Volt Shorted
- DTC 61 - Turbo Boost Sensor CKT High - "P" Series
- DTC 62 - Turbo Boost Sensor CKT Low - "P" Series
- DTC 63 - Accelerator Pedal Position (App) No. 3 Circuit High
- DTC 64 - Accelerator Pedal Position (App) No. 3 Circuit Low
- DTC 65 - App No. 3 Circuit Range Fault
- DTC 71 - Set/Coast Switch Fault
- DTC 76 - Resume/ACCEL Switch Fault
- DTC 78 - WASTEGATE Solenoid Fault - "P" Series
- DTC 84 - Accelerator Pedal Position (App) Circuit Fault
- DTC 88 - TDC Offset Error
- TDC Offset Program Procedure
- DTC'S 91-98 - Cylinder Balance Fault
- DTC 99 - APP No. 2 (5-VOLT REFERENCE FAULT)
- Wiring Diagrams
- Engine Controls - Tests W/Codes - 7.4L
- Introduction
- Self-Diagnostic System
- Trouble Code Charts
- Notes
- Code 13, Open Oxygen Sensor Circuit
- Code 14, Coolant Sensor Signal Voltage Low
- Code 15, Coolant Sensor Signal Voltage High
- Code 16, VSS Buffer Fault - "G" Series
- Code 21, TPS Signal Voltage High
- Code 22, TPS Signal Voltage Low
- Code 24, VSS - "C" & "K" Series, "P" Series M/T
- Code 24, VSS Trans Output Signal - "G" Series, "P" Series M/T
- Code 32, EGR Circuit Error With Linear EGR
- Code 32, EGR Circuit Error - "C" & "K" Series M/T
- Code 32, EGR CKT Err - Using Manifold Vac, 2-Terminal Solenoid & BACKPRESS EGR
- Code 32, EGR CKT Error Models Using Ported Vacuum & EVRV Sol
- Code 33, Map Sensor Signal Voltage High
- Code 34, Map Sensor Signal Voltage Low
- Code 35, Idle Speed Error
- Code 36, Idle SPD Actuator Fault - "C", "K" & "P" Series A/T
- Code 42 - Ignition Control
- Code 43, Knock Sensor W/O Spark Module (Single Sensor) - A/T
- Code 43, Knock Sensor With Spark Control Module
- Code 44, Lean Exhaust Indication
- Code 45, Rich Exhaust Indication
- Code 51, Prom Error (Faulty Or Incorrect Prom)
- Code 52, Faulty CALPAK
- Code 53, System OVERVOLTAGE
- Code 55, ECM/Pcm Error
- Code 54, Fuel Pump Circuit
- Summary
- Engine Controls - Tests W/O Codes - 6.5L Diesel
- Introduction
- Symptoms
- Turbocharger Trouble Shooting
- INTERMITTENTS
- Engine Controls - Tests W/O Codes - Gasoline
- Introduction
- Symptoms
- How To Use This Section
- Hard Start
- Stalls After Starting
- Hesitation, Sag Or Stumble
- Vehicle Surges
- 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
- Engine Controls - Basic Testing - 6.5L Diesel
- Testing & Diagnosis
- Engine Controls - Basic Testing - 6.5L Diesel
- Model Identification
- Introduction
- Preliminary Inspection & Adjustments
- A-3, No-Start Diagnosis
- Basic Fuel System Checks
- Diagnostic Circuit Check
- Summary
- Wiring Diagrams
- Blazer, Pickup, Sierra, Suburban & YUKON - 6.5L With M/T
- Blazer, Pickup, Sierra, Suburban & YUKON - 6.5L With 4L60-E
- Blazer, Pickup, Sierra, Suburban & YUKON - 6.5L With 4L80-E
- "G" Series Van (VIN P) - 6.5L With 4L60-E
- "G" Series Van (VIN Y) - 6.5L With 4L80-E
- "P" Series - Commercial Van (VIN F) - 6.5L With 4L80-E
- "P" Series - Commercial Van (VIN Y) - 6.5L With 4L80-E
- Engine Controls - Basic Testing - Gasoline
- Engine Controls - System/Component Tests - 6.5L Diesel
- Model Identification
- Introduction
- Air Induction Systems
- Computerized Engine Controls
- Engine Sensors & Switches
- Relays, Solenoids, Motors & Modules
- Fuel System
- Emission Systems & Sub-Systems
- Miscellaneous ECM Controls
- Diagnostic Charts
- Component Locations
- Wiring Diagrams
- Blazer, Pickup, Sierra, Suburban & YUKON With M/T
- Blazer, Pickup, Sierra, Suburban & YUKON With 4L60-E
- Blazer, Pickup, Sierra, Suburban & YUKON With 4L80-E
- "P" Series Commercial Van - VIN F With 4L80-E
- "P" Series Commercial Van - VIN Y With 4L80-E
- "G" Series Van - VIN P With 4L60-E
- "G" Series Van - VIN Y With 4L80-E
- Engine Controls - System/Component Tests - Gasoline
- Model Identification
- Introduction
- Computerized Engine Controls
- Engine Sensors & Switches
- Relays, Solenoids, Motors & Modules
- Fuel System
- Ignition System
- Emission Systems & Sub-Systems
- Miscellaneous ECM Controls
- Diagnostic Charts
- Component Locations
- Wiring Diagrams
- Engine Controls - Tests W/Codes - 5.7L
- Introduction
- Self-Diagnostic System
- Trouble Code Charts
- Notes
- Code 13, Open Oxygen Sensor Circuit
- Code 14, Coolant Sensor Signal Voltage Low
- Code 15, Coolant Sensor Signal Voltage High
- Code 16, VSS Buffer Fault - "G" Series
- Code 21, TPS Signal Voltage High
- Code 22, TPS Signal Voltage Low
- Code 24, VSS - "C" & "K" Series 5.7L M/T
- Code 24, VSS Transmission Output Signal "G" Series
- Code 31, Engine Speed Governor - 5.7L "G" Series
- Code 32, EGR Circuit Error With Linear EGR
- Code 32, EGR Circuit Error - "C" & "K" Series M/T
- Code 32, EGR Circuit Error - Models Using Manifold Vacuum, 2-Terminal Solenoid & BACKPRESSURE EGR
- Code 32, EGR CKT Error Models Using Ported Vacuum & EVRV Sol
- Code 33, Map Sensor Signal Voltage High
- Code 34, Map Sensor Signal Voltage Low
- Code 35, Idle Speed Error
- Code 36, Idle SPD Actuator Fault - "C", "K" & "P" Series A/T
- Code 42 - Ignition Control
- Code 43, Knock Sensor W/O Spark Module (Single Sensor) - "C", "G", "K" & "P" Series A/T
- Code 43, Knock Sensor With Spark Control Module
- Code 44, Lean Exhaust Indication
- Code 45, Rich Exhaust Indication
- Code 51, Prom Error (Faulty Or Incorrect Prom)
- Code 52, Faulty CALPAK
- Code 53, System OVERVOLTAGE
- Code 55, ECM/Pcm Error
- Code 54, Fuel Pump Circuit
- Summary
- Engine Controls - Tests W/Codes - 6.5L Diesel
- Introduction
- Self-Diagnostic System
- Diagnostic Trouble Code Charts
- Notes
- Diagnostic System Check
- Chart A-1 - No Mil (Service Engine Soon Light)
- Chart A-2 - No Scan Data, Mil (SES) On At All Times Or Will Not Flash Mil
- Chart A-3 - Engine Cranks But Will Not Run
- EGR Control Pressure/BARO Sensor Output Check
- DTC 13 - Engine Shutoff Solenoid Circuit Fault
- DTC 14 - ECT Sensor Circuit Low (High Temperature Indicated)
- DTC 15 - ECT Sensor Circuit High (Low Temperature Indicated)
- DTC 16 - Vehicle Speed Signal Buffer Fault
- DTC 17 - High Resolution Circuit Fault
- DTC 18 - Pump Cam Reference Pulse Error
- DTC 19 - Crankshaft Position Reference Error
- DTC 21 - App No. 1 Circuit High (Models With Pcm)
- DTCS 21/22, TP Sensor Circuit High/Low (4L80-E With TCM)
- DTC 22 - App No. 1 Circuit Low (Models With Pcm)
- DTC 23 - Accelerator Pedal Pos (App) No. 1 CKT Range Fault
- DTC 25 - Accelerator Pedal Position (App) No. 2 Circuit High
- DTC 26 - Accelerator Pedal Position (App) No. 2 Circuit Low
- DTC 27 - Accelerator Pedal Pos (App) No. 2 CKT Range Fault
- DTC 29 - Glow Plug Relay Circuit Fault
- DTC 31 - EGR CNTRL Pressure/BARO Sensor CKT Low (High Vacuum)
- DTC 32 - EGR Circuit Error - "G" Series
- DTC 33 - EGR CNTRL Pressure/BARO Sensor CKT High (Low Vacuum)
- DTC 34 - Injection Timing Stepper (Its) Motor Circuit Fault
- DTC 35 - Injection Pulse Width Error (Response Time Short)
- DTC 36 - Injection Pulse Width Error (Response Time Long)
- DTC 41 - Brake Switch Circuit Fault - "G" Series
- DTC 41 - Brake Switch Circuit Fault - "P" Series
- DTC 42 - Fuel Temperature CKT Low (High Temp Indicated)
- DTC 43 - Fuel Temperature CKT High (Low Temp Indicated)
- DTC 44 - EGR Pulse Width Error - "G" Series
- DTC 45 - EGR Vent Error - "G" Series
- DTC 46 - Mil (Service Engine Soon Light) Circuit Fault
- DTC 47 - IAT Sensor Circuit Low (High Temperature Indicated)
- DTC 48 - IAT Sensor Circuit High (Low Temperature Indicated)
- DTC 49 - Mil (Service Throttle Soon Light) Circuit Fault
- DTC 51 - Prom Problem (Faulty Or Incorrect Prom)
- DTC 54 - Pcm Fuel Circuit Error
- DTC 56 - Injection Pump Calibration Resistor Error
- DTC 57 - Pcm 5-Volt Shorted
- DTC 61 - Turbo Boost Sensor CKT High - "P" Series
- DTC 62 - Turbo Boost Sensor CKT Low - "P" Series
- DTC 63 - Accelerator Pedal Position (App) No. 3 Circuit High
- DTC 64 - Accelerator Pedal Position (App) No. 3 Circuit Low
- DTC 65 - App No. 3 Circuit Range Fault
- DTC 71 - Set/Coast Switch Fault
- DTC 76 - Resume/ACCEL Switch Fault
- DTC 78 - WASTEGATE Solenoid Fault - "P" Series
- DTC 84 - Accelerator Pedal Position (App) Circuit Fault
- DTC 88 - TDC Offset Error
- TDC Offset Program Procedure
- DTC'S 91-98 - Cylinder Balance Fault
- DTC 99 - APP No. 2 (5-VOLT REFERENCE FAULT)
- Wiring Diagrams
- Engine Controls - Tests W/Codes - 7.4L
- Introduction
- Self-Diagnostic System
- Trouble Code Charts
- Notes
- Code 13, Open Oxygen Sensor Circuit
- Code 14, Coolant Sensor Signal Voltage Low
- Code 15, Coolant Sensor Signal Voltage High
- Code 16, VSS Buffer Fault - "G" Series
- Code 21, TPS Signal Voltage High
- Code 22, TPS Signal Voltage Low
- Code 24, VSS - "C" & "K" Series, "P" Series M/T
- Code 24, VSS Trans Output Signal - "G" Series, "P" Series M/T
- Code 32, EGR Circuit Error With Linear EGR
- Code 32, EGR Circuit Error - "C" & "K" Series M/T
- Code 32, EGR CKT Err - Using Manifold Vac, 2-Terminal Solenoid & BACKPRESS EGR
- Code 32, EGR CKT Error Models Using Ported Vacuum & EVRV Sol
- Code 33, Map Sensor Signal Voltage High
- Code 34, Map Sensor Signal Voltage Low
- Code 35, Idle Speed Error
- Code 36, Idle SPD Actuator Fault - "C", "K" & "P" Series A/T
- Code 42 - Ignition Control
- Code 43, Knock Sensor W/O Spark Module (Single Sensor) - A/T
- Code 43, Knock Sensor With Spark Control Module
- Code 44, Lean Exhaust Indication
- Code 45, Rich Exhaust Indication
- Code 51, Prom Error (Faulty Or Incorrect Prom)
- Code 52, Faulty CALPAK
- Code 53, System OVERVOLTAGE
- Code 55, ECM/Pcm Error
- Code 54, Fuel Pump Circuit
- Summary
- Engine Controls - Tests W/O Codes - 6.5L Diesel
- Introduction
- Symptoms
- Turbocharger Trouble Shooting
- INTERMITTENTS
- Engine Controls - Tests W/O Codes - Gasoline
- Introduction
- Symptoms
- How To Use This Section
- Hard Start
- Stalls After Starting
- Hesitation, Sag Or Stumble
- Vehicle Surges
- 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
- Engine Controls - Basic Testing - 6.5L Diesel
- Theory and Operation
- Engine Controls - Theory & Operation - 6.5L Diesel
- Engine Controls - Theory & Operation - Gasoline
- Introduction
- Air Induction System
- Computerized Engine Controls
- Notes
- Powertrain Control Module (Pcm)
- Input Devices
- Notes
- A/C On (A/C Request) Signal
- Battery Voltage
- Brake Switch Feedback
- Coolant Temperature Sensor (CTS)
- Cranking Signal
- Digital Ratio Adapter Controller (DRAC)
- EGR Pintle Position
- Fuel Pump Feedback
- Gear Switches
- Knock Sensor (KS)
- Manifold Absolute Pressure (MAP) Sensor
- Intake Air Temperature (IAT) Sensor (Some Engines)
- Oxygen Sensor (O2S)
- Park/Neutral Position (PNP) Switch
- Pressure Switch Manifold (PSM) (4L60-E & 4L80-E Transmission)
- RPM Reference Signal
- Throttle Position (TP) Sensor
- Transmission Temperature Sensor (TTS) (4L60-E, 4L80-E & 4T60 -E Transmission)
- Vehicle Speed Sensor (VSS)
- Output Signals
- Notes
- A/C Clutch Relay
- Air Injection Control Solenoid
- Cruise Control Solenoids
- SERVICE ENGINE SOON Light
- EGR Control Solenoid Valve
- ESC Timing Retard
- EVRV Solenoid
- Fuel Injectors
- Fuel Module
- Fuel Pump & Fuel Pump Relay
- HEI-EST Ignition
- Idle Air Control (IAC) Valve
- Self-Diagnostics
- Serial Data
- Shift Solenoids (4L60-E, 4L80-E & 4T60-E Transmission)
- Torque Converter Clutch
- Transmission Shift Light (Manual Transmission)
- Fuel System
- Ignition System
- Ignition Timing Control Systems
- Emission Systems
- Self-Diagnostic System
- Miscellaneous Pcm Controls
- Wiring Diagrams
- Vacuum Diagrams
- Wiring Diagrams - G & P Series
- 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
- 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
- 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
- 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
- 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
- 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 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)
- 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)
- General Servicing
- A/C Compressor Refrigerant Oil Checking
- A/C Compressor Servicing
- A/C System General Servicing
- A/C System Specifications
- HVAC Control Systems
- A/C-Heater System - Manual
- Description
- Operation
- Adjustments
- Trouble Shooting
- Notes
- Operational Testing
- Blower Motor Will Not Run
- Blower Does Not Operate In Hi
- Blower Operates Only In Hi
- Blower Operates In Hi With Ignition Off
- A/C Does Not Work
- Insufficient Cooling
- CCOT System, Insufficient Cooling Chart "A"
- CCOT System, Insufficient Cooling Chart "B"
- CCOT System, Insufficient Cooling Chart "C"
- CCOT System, Insufficient Cooling Chart "D"
- CCOT System, Insufficient Cooling Chart "E"
- V5 System, Preliminary Checks - Step 1
- V5 System, Checking Refrigerant Charge - Step 2
- V5 System, Checking Compressor Clutch Engagement - Step 3
- V5 System, Checking System Performance - Step 4
- V5 System, Gray Area Diagnosis & Service - Step 5
- V5 System, Striped Area Diagnosis & Service - Step 6
- V5 System, Control Valve Diagnosis - Step 7
- Testing
- Removal & Installation
- Torque Specifications
- Vacuum Hose Diagram(S)
- Wiring Diagrams
- Heater System
- Description
- Operation
- Adjustments
- Trouble Shooting
- Notes
- Blower Motor Inoperative
- Auxiliary Blower Motor Inoperative
- Blower Motor Operates At Low &/Or Medium Speed Only
- Blower Motor Operates At High Speed Only
- Blower Motor Does Not Run At Low Speed
- Blower Motor Does Not Run At Medium Speed
- Auxiliary Blower Motor Does Not Run At Medium Speed
- Auxiliary Blower Motor Does Not Run At High Speed
- Auxiliary Blower Motor Does Not Run At Low Speed
- Rear Temperature Door Inoperative
- Removal & Installation
- Torque Specifications
- Wiring Diagrams
- A/C-Heater System - Manual
- General Servicing
- Steering
- Manual Steering
- Power Steering
- Steering Column
- Suspension
- Front Suspension
- Suspension - Front Coil Spring (2WD)
- Description
- Adjustments
- Inspection
- Removal & Installation
- Torque Specifications
- Suspension - Front Leaf Spring (2WD)
- Suspension - Front Coil Spring (2WD)
- Rear Suspension
- Wheel Alignment
- Front Suspension
- Transmission
- Automatic Trans
- Automatic Transmission - Diagnosis - 4L80-E
- Application
- Description
- Operation
- Trouble Shooting
- Electronic Self-Diagnostics
- Diagnostic Charts
- Notes
- Chart A-1, No Mil (Service Engine Soon) Light
- Chart A-2, No ALDL Data, No DTC 12 Or Mil (Service Engine Soon) Light On
- DTC 14, Coolant Temperature Sensor High Temperature Indicated (Signal Voltage Low)
- DTC 15, Coolant Temperature Sensor Low Temperature Indicated (Signal Voltage High)
- DTC 21, Throttle Position Sensor Signal Voltage High
- DTC 21/22, Throttle Position Sensor Signal Voltage Low/High (1994) Diesel
- DTC 22, Throttle Position Sensor Signal Voltage Low
- DTC 24, Output Speed Sensor Low (1993 2WD)
- DTC 24, Output Speed Sensor Low (1993 4WD)
- DTC 24 & DTC 72, Vehicle Speed Sensor (Output Speed Signal Low) & (Output Speed Signal Loss) 1994
- DTC 28, Pressure Switch Manifold (PSM) Assembly Fault (1993)
- DTC 28, Pressure Switch Manifold (PSM) Assembly Fault (1994)
- DTC 37 & 38, TCC Brake Switch Stuck On Or Off (1994)
- DTC 39, Torque Converter Clutch Stuck Off (1993)
- DTC 39, Torque Converter Clutch Stuck Off (1994)
- DTC 51, Prom Problem
- DTC 52 & 53, Long System Voltage High Or System Voltage High (1994)
- DTC 53, System Voltage High (1993)
- DTC 58, Transmission Fluid Temperature Sensor Circuit (High Temperature Indicated) 1993
- DTC 58, Transmission Fluid Temperature Sensor Circuit (High Temperature Indicated) 1994
- DTC 59, Transmission Fluid Temperature Sensor Circuit (Low Temperature Indicated) 1993
- DTC 59, Transmission Fluid Temperature Sensor Circuit (Low Temperature Indicated) 1994
- DTC 63 & 64, Barometric Pressure Sensor Circuit High Or Low (1994) Diesel
- DTC 68, Overdrive Ratio Error (1993)
- DTC 68, Overdrive Ratio Error (1994)
- DTC 69, Torque Converter Clutch (TCC) Stuck On (1994)
- DTC 71, Camshaft Position Sensor Circuit Low (1994) Diesel
- DTC 73, Force Motor Current (Current Error) 1993
- DTC 73, Force Motor Current (Current Error) 1994
- DTC 74, Input Speed Sensor Circuit (1994)
- DTC 75, System Voltage Low (1993)
- DTC 75, System Voltage Low (1994)
- DTC 79, Transmission Fluid Temperature Sensor Circuit (High Temperature Indicated) 1994
- DTC 81, Solenoid "B" Circuit Fault (1993)
- DTC 81, Solenoid "B" Circuit Fault (1994)
- DTC 82, Solenoid "A" Circuit Fault (1993)
- DTC 82, Solenoid "A" Circuit Fault (1994)
- DTC 83, TCC Solenoid Circuit Fault (1993)
- DTC 83, TCC Solenoid Circuit Fault (1994)
- DTC 85, Undefined Gear Ratio (1993)
- DTC 85, Undefined Gear Ratio (1994)
- DTC 86, Low Gear Ratio (1993)
- DTC 86, Low Gear Ratio (1994)
- DTC 87, High Gear Ratio (1993)
- DTC 87, High Gear Ratio (1994)
- Component Test Charts (No Codes)
- Notes
- TCC Testing
- Vehicle Speed Sensor Check
- Input Speed Sensor Circuit (1993)
- Brake Signal Circuit (1993)
- Pressure Switch Manifold Circuit Check (1993-94)
- Torque Converter Clutch (TCC) Circuit Check (1993)
- Shift Solenoid "A" Circuit Check (1993)
- Shift Solenoid "B" Circuit Check (1993)
- Force Motor Circuit Check (1993)
- 4WD Low Switch Signal Check (1994)
- Wiring Diagrams
- Automatic Transmission - Overhaul & Testing - 4L80E
- Application
- Identification
- Description
- Lubrication & Adjustments
- On-Vehicle Service
- Trouble Shooting
- Notes
- Quick Check
- Symptom Diagnosis
- Notes
- Fluid Out Of Vent Or Foaming
- Transmission Overheats
- Reduced Internal Lubrication
- High Or Low Line Pressure
- Inoperative In Drive
- Vehicle Moves Forward In "N"
- Engine Stall
- No Torque in Reverse & 3rd
- Locked in Park
- Vehicle Moves in Park
- Slips in Reverse
- No Reverse
- Slips in "D"
- No 1st Gear in "D4"
- No 1st Gear in "D2" Or "D3"
- No 1st Gear in "D1"
- No 1-2 Shift in "D4" (1st Gear Only)
- 1st & 2nd Gear Only
- 1st & 4th Gear Only (Manual 2nd & 3rd Only)
- Late 1-2 Shift
- No Engine Braking in "D1"
- No 2nd Gear
- 2nd Gear Only
- No Torque in 2nd
- Starts in 2nd Gear
- No 2nd Gear Braking in "D2"
- No Engine Braking in "D2"
- No Overrun Braking in "D2"
- No 1st Gear in "D3"
- No 2nd Gear in "D3"
- No 3rd Gear in "D3"
- Starts in 3rd Gear
- No Engine Braking in "D3"
- 2nd & 3rd Gear Only
- No 4th Gear
- Starts in 4th Gear
- Incorrect Shift Points
- Harsh Shifts
- Harsh Shifts ("D" To "R")
- Harsh Shifts (3-4 Shift)
- Harsh Shifts (4-3 Shift)
- Harsh Shifts ("D4" To "D3", "D2" or "D1")
- Soft Shifts
- Soft Shift (Into "R")
- Soft Shift (R To "D")
- Soft Shift (2-1)
- Soft Shift (2-3)
- Soft Shift (3-2)
- Soft Shift ("D3" To "D2")
- No "D2" To "D1" Shift
- No "D3" To "D2" Shift
- No Converter Clutch Apply
- Converter Clutch Does Not Release
- Converter TCC Apply Soft Or Slipping
- Converter Clutch Apply Time Incorrect
- Testing - Electronic Self-Diagnostics & Electronic Testing
- Testing - System
- Removal & Installation
- Transmission Disassembly
- Component Disassembly & Reassembly
- Transmission Reassembly
- Transmission Specifications
- Torque Specifications
- Wiring Diagrams
- Diagnosis - 4L60-E
- Application & Identification
- Description
- Operation
- Trouble Shooting
- Clutch & Band Application
- Symptom Diagnosis
- Notes
- Incorrect Shift Pattern
- Shift Quality
- Engine Rough
- Line Pressure Too High
- Line Pressure Too Low
- MIL Stuck On
- Erratic Manual Downshift
- Unwanted Downshift (Corvette Only)
- Wrong Gear, No Shift Or Two Gears Only
- Second Gear Start (Camaro & Firebird With V6 Engine Only)
- 3rd Gear Only
- Delayed 3-4 Upshift & TCC Apply During Hard Acceleration
- No 4th Gear Hot
- No TCC Apply
- TCC Apply Time Wrong
- Self-Diagnostics
- Component Test Charts (No Codes) - 1994
- Performance Tests
- Electronic Self-Diagnostics
- Diagnostic Charts
- Description
- Chart A-1 (CAMARO & Firebird W/4.3L)
- Chart A-1 (Brougham, Caprice, CAMARO, Corvette, Firebird & ROADMASTER W/5.7L)
- Chart A-2 (Brougham, Caprice, CAMARO, Corvette, Firebird & ROADMASTER W/5.7L)
- Chart A-1 - ("C", "G", "K", "L", "M", "S" & "T" W/Gas Engine)
- Chart A-2 ("C", "G", "K", "L", "M", "S" & "T" W/Gas Engine)
- Chart A-1 - ("C", "G" & "K" W/Diesel Engine)
- Chart A-2 - ("C", "G" & "K" W/Diesel Engine)
- Diagnostic Code Charts - (Passenger Vehicles)
- Code 11, Malfunction Indicator Light 5.7L "B", "D", "F" & "Y" Bodies
- Code 21, Throttle Position Sensor Signal Voltage High
- Code 22, Throttle Position Sensor Signal Voltage Low
- Code 24, Vehicle Speed Sensor - 3.4L "F" Body, 4.3L & 5.7L
- Code 28, Transmission Range Pressure Switch - 3.4L "F" Body, 4.3L & 5.7L
- Code 53, System OVERVOLTAGE - 3.4L "F" Body, 4.3L & 5.7L
- Code 58, Trans. Temperature Sensor High Temperature - 3.4L "F" Body, 4.3L & 5.7L
- Code 59, Trans. Temperature Sensor Low Temperature - 3.4L "F" Body, 4.3L & 5.7L "B", "D", "F" & "Y" Bodies
- Code 72, Vehicle Speed Sensor Loss - 3.4L "F" Body, 4.3L & 5.7L "B", "D" & "F" Bodies
- Code 72, Vehicle Speed Sensor Loss - 5.7L "Y" Body
- Code 73, Pressure Control Solenoid - 4.3L & 5.7L
- Code 75, Transmission Voltage Low - 4.3L & 5.7L
- Code 79, Transmission Fluid OVERTEMP - 3.4L "F" Body, 4.3L & 5.7L
- Code 80, Transmission Component Slipping - 3.4L "F" Body, 4.3L & 5.7L
- Code 81, 2-3 Shift Solenoid - 4.3L & 5.7L
- Code 82, 1-2 Shift Solenoid - 4.3L & 5.7L
- Code 84, 3-2 Control Solenoid - 4.3L & 5.7L
- Code 85, TCC Stuck On - 4.3L & 5.7L
- Code 90, TCC Solenoid Circuit - 3.4L "F" Body, 4.3L & 5.7L
- Code 93, Pressure Control Solenoid - 3.4L "F" Body
- Code 96, Transmission Voltage Low - 3.4L "F" Body
- Code 97, VSS Output Circuit - 4.3L & 5.7L
- Diagnostic Code Charts (Light Trucks & Vans)
- Code 16, Transmission Output Speed - 5.0L & 5.7L With 4L60E Transmission
- Code 21, TPS Signal Voltage High
- Code 22, TPS Signal Voltage Low
- Code 24, Vehicle Speed Signal Low
- Code 28, Pressure Switch Manifold Fault
- Code 58, Trans Fluid Temp. Sens CKT (High Temp. Indicated)
- Code 59, Transmission Fluid Temp. Sensor Circuit (Low Temp. Indicated)
- Code 66, 3-2 Control Solenoid Circuit Fault
- Code 67, TCC Solenoid Circuit Check
- Code 68, Overdrive Ratio Error
- Code 69, Torque Converter Clutch Stuck On
- Code 72, VSS CKT Loss Transmission Output Signal - Diesel
- Code 73, Force Motor Current (Current Error)
- Code 81, 2-3 Shift Solenoid Circuit Fault
- Code 82, 1-2 Shift Solenoid Circuit Fault
- Circuit Tests
- Component Tests
- Wiring Diagrams
- Overhaul - 4L60/4L60-E
- Application & Labor Times
- Identification
- Description
- Lubrication & Adjustments
- On-Vehicle Service
- Trouble Shooting
- Notes
- Symptom Diagnosis
- 1st Gear Only, No Upshift
- 1st Gear Start In 2nd Gear Start Mode (Camaro & Firebird Only)
- Slips in 1st
- High Or Low 1-2 Shift Speeds
- 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 "R" Or Slips In "R"
- 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 Shift Points
- High Or Low Shift Points
- No Converter Clutch Apply
- Converter Shudder
- No Converter Clutch Release
- Converter Clutch Apply Cold
- Ratcheting Noise
- Oil Leaking Out Vent
- Vibration in Reverse & Whining Noise in Park
- Front Oil Leak
- No Reverse, Slips in Reverse, Bad Engagement (No Braking or Weak Braking in Manual Low)
- Pump Bushing Spins Out, "Walks" Into Seal, Or Seizes To Converter Hub
- Slip on 2-3 Shift, Falling Out of 3rd, Repeated 3-4 Clutch or 2-4 Band Failure
- Delayed or No Forward Clutch Engagement, Slips or Chatters in 1st Gear
- No 4th Gear, No 3-4 Upshift (Stays in 3rd, 2nd Usually Okay)
- 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 Reverse
- No Drive In "D" Range
- No Drive In "OD" Range
- Clutch & Band Application
- Testing
- Torque Converter
- Removal & Installation
- Transmission Disassembly
- 2-4 Servo Assembly
- Checking Servo Pin Length
- Extension Housing
- Valve Body & Auxiliary Valve Body (4L60 Only)
- 1-2 Accumulator & Spacer Plates
- Transmission End Play Check
- Oil Pump, Input Clutch & Reverse Clutch
- 2-4 Band & Input Gear Set
- Reaction Gear Set
- Low-Reverse Clutch
- Inner Manual Shaft Linkage
- 3RD Accumulator Check Valve
- Cleaning & Inspection
- Component Disassembly & Reassembly
- Transmission Reassembly
- Torque Specifications
- Removal & Installation - A/T
- Servicing - A/T
- Transmission Oil Pan Gasket Id
- Automatic Transmission - Diagnosis - 4L80-E
- Clutches
- Automatic Transmission Hydraulic Diagrams - 4L80-E.
- Manual Trans
- Automatic Trans
- External Pages