Repair and Diagnosis
- A L L Diagnostic Trouble Codes ( DTC )
- Relays and Modules
- Relays and Modules - Accessories and Optional Equipment
- Relays and Modules - Body and Frame
- Relays and Modules - Brakes and Traction Control
- Relays and Modules - Cooling System
- Relays and Modules - HVAC
- Relays and Modules - Instrument Panel
- Relays and Modules - Lighting and Horns
- Relays and Modules - Power and Ground Distribution
- Relays and Modules - Powertrain Management
- Relays and Modules - Restraints and Safety Systems
- Relays and Modules - Starting and Charging
- Relays and Modules - Steering and Suspension
- Relays and Modules - Windows and Glass
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches
- Sensors and Switches - Body and Frame
- Sensors and Switches - Brakes and Traction Control
- Sensors and Switches - Cooling System
- Sensors and Switches - Cruise Control
- Sensors and Switches - Engine
- Sensors and Switches - HVAC
- Sensors and Switches - Instrument Panel
- Sensors and Switches - Lighting and Horns
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Computers and Control Systems
- Sensors and Switches - Emission Control Systems
- Sensors and Switches - Fuel Delivery and Air Induction
- Sensors and Switches - Ignition System
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With Lighting Control Module
- B: Unable to Enter Self-Test
- C: Ignition Switch in Inoperative
- D: No Power in ACC Position
- E: No Power in ON Position
- F: No Power in START Position
- G: Multifunction Switch Does Not Operate Correctly
- H: DTC B1359 Ignition Run/Accy/Circuit Failure
- I: DTC1555 Igntion Run/Start Circuit Failure
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Knock Sensor
- Sensors and Switches - Restraints and Safety Systems
- Sensors and Switches - Starting and Charging
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With Lighting Control Module
- B: Unable to Enter Self-Test
- C: Ignition Switch in Inoperative
- D: No Power in ACC Position
- E: No Power in ON Position
- F: No Power in START Position
- G: Multifunction Switch Does Not Operate Correctly
- H: DTC B1359 Ignition Run/Accy/Circuit Failure
- I: DTC1555 Igntion Run/Start Circuit Failure
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Neutral Safety Switch
- Ignition Switch
- Sensors and Switches - Steering and Suspension
- Sensors and Switches - Transmission and Drivetrain
- Sensors and Switches - Windows and Glass
- Sensors and Switches - Wiper and Washer Systems
- Maintenance
- Alignment
- Tune-up and Engine Performance Checks
- Drive Belt
- Filters
- Hoses
- Fluids
- Brake Bleeding
- Air Bag(s) Arming and Disarming
- Fuses and Circuit Breakers
- Service Reminder Indicators
- Wheels and Tires
- Vehicle Lifting
- Application and ID
- Service Intervals
- Severe Service Defined
- Routine Service
- Special Operating Conditions T, I, D, O, E, S
- Normal Service
- 5000 MI or 8000 KM
- 10000 MI or 16000 KM
- 15000 MI or 24000 KM
- 20000 MI or 32000 KM
- 25000 MI or 40000 KM
- 30000 MI or 48000 KM
- 35000 MI or 56000 KM
- 40000 MI or 64000 KM
- 45000 MI or 72000 KM
- 50000 MI or 80000 KM
- 55000 MI or 88000 KM
- 60000 MI or 96000 KM
- 65000 MI or 104000 KM
- 70000 MI or 112000 KM
- 75000 MI or 120000 KM
- 80000 MI or 128000 KM
- 85000 MI or 136000 KM
- 90000 MI or 144000 KM
- 95000 MI or 152000 KM
- 100000 MI or 160000 KM
- 105000 MI or 168000 KM
- 110000 MI or 176000 KM
- 115000 MI or 184000 KM
- 120000 MI or 192000 KM
- 125000 MI or 200000 KM
- 130000 MI or 208000 KM
- 135000 MI or 216000 KM
- 140000 MI or 224000 KM
- 145000 MI or 232000 KM
- 150000 MI or 240000 KM
- Severe Service
- 3000 MI or 4800 KM
- 5000 MI or 8000 KM
- 6000 MI or 9600 KM
- 7500 MI or 12000 KM
- 9000 MI or 14400 KM
- 10000 MI or 16000 KM
- 12000 MI or 19200 KM
- 15000 MI or 24000 KM
- 18000 MI or 28800 KM
- 20000 MI or 32000 KM
- 21000 MI or 33600 KM
- 22500 MI or 36000 KM
- 24000 MI or 38400 KM
- 25000 MI or 40000 KM
- 27000 MI or 43200 KM
- 30000 MI or 48000 KM
- 33000 MI or 52800 KM
- 35000 MI or 56000 KM
- 36000 MI or 57600 KM
- 37500 MI or 60000 KM
- 39000 MI or 62400 KM
- 40000 MI or 64000 KM
- 42000 MI or 67200 KM
- 45000 MI or 72000 KM
- 48000 MI or 76800 KM
- 50000 MI or 80000 KM
- 51000 MI or 81600 KM
- 52500 MI or 84000 KM
- 54000 MI or 86400 KM
- 55000 MI or 88000 KM
- 57000 MI or 91200 KM
- 60000 MI or 96000 KM
- 63000 MI or 100800 KM
- 65000 MI or 104000 KM
- 66000 MI or 105600 KM
- 67500 MI or 108000 KM
- 69000 MI or 110400 KM
- 70000 MI or 112000 KM
- 72000 MI or 115200 KM
- 75000 MI or 120000 KM
- 78000 MI or 124800 KM
- 80000 MI or 128000 KM
- 81000 MI or 129600 KM
- 82500 MI or 132000 KM
- 84000 MI or 134400 KM
- 85000 MI or 136000 KM
- 87000 MI or 139200 KM
- 90000 MI or 144000 KM
- 93000 MI or 148800 KM
- 95000 MI or 152000 KM
- 96000 MI or 153600 KM
- 97500 MI or 156000 KM
- 99000 MI or 158400 KM
- 100000 MI or 160000 KM
- 102000 MI or 163200 KM
- 105000 MI or 168000 KM
- 108000 MI or 172800 KM
- 110000 MI or 176000 KM
- 111000 MI or 177600 KM
- 112500 MI or 180000 KM
- 114000 MI or 182400 KM
- 115000 MI or 184000 KM
- 117000 MI or 187200 KM
- 120000 MI or 192000 KM
- 123000 MI or 196800 KM
- 125000 MI or 200000 KM
- 126000 MI or 201600 KM
- 127500 MI or 204000 KM
- 129000 MI or 206400 KM
- 130000 MI or 208000 KM
- 132000 MI or 211200 KM
- 135000 MI or 216000 KM
- 138000 MI or 220800 KM
- 140000 MI or 224000 KM
- 141000 MI or 225600 KM
- 142500 MI or 228000 KM
- 144000 MI or 230400 KM
- 145000 MI or 232000 KM
- 147000 MI or 235200 KM
- 150000 MI or 240000 KM
Specifications
Technical Service Bulletins
- Engine, Cooling and Exhaust
- Engine
- Compression Check
- Camshaft, Lifters and Push Rods
- Cylinder Block Assembly
- Connecting Rod Bearing
- Connecting Rod
- Coolant Drain Plug
- Crankshaft Gear/Sprocket
- Crankshaft Main Bearing
- Crankshaft
- Engine Block Heater
- Expansion/Freeze Plug
- Harmonic Balancer - Crankshaft Pulley
- Piston
- Piston Pin
- Piston Ring
Testing and Inspection
Service and Repair
Specifications
Technical Service Bulletins
Tools and Equipment
- Cylinder Head Assembly
- Drive Belts, Mounts, Brackets and Accessories
- Engine Lubrication
- Intake Manifold
- Lamps and Indicators - Engine
- Seals and Gaskets
- Sensors and Switches - Engine
- Timing Components
- Tune-up and Engine Performance Checks
- Water Pump
- Application and ID
Description and Operation
Testing and Inspection
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Cooling System
- Coolant
- Coolant Drain Plug
- Coolant Reservoir
- Radiator Cooling Fan
- Engine - Coolant Temperature Sensor/Switch
- Fan Shroud
- Heater Core
- Heater Hose
- Lamps and Indicators - Cooling System
- Radiator
- Radiator Cap
- Radiator Hose
- Relays and Modules - Cooling System
- Sensors and Switches - Cooling System
- Temperature Gauge
- Temperature Warning Lamp/Indicator
- Thermostat
- Thermostat Housing
- Water Pump
Testing and Inspection
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Exhaust System
- Engine
- Powertrain Management
- Relays and Modules - Powertrain Management
- Sensors and Switches - Powertrain Management
- Sensors and Switches - Computers and Control Systems
- Sensors and Switches - Emission Control Systems
- Sensors and Switches - Fuel Delivery and Air Induction
- Sensors and Switches - Ignition System
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With Lighting Control Module
- B: Unable to Enter Self-Test
- C: Ignition Switch in Inoperative
- D: No Power in ACC Position
- E: No Power in ON Position
- F: No Power in START Position
- G: Multifunction Switch Does Not Operate Correctly
- H: DTC B1359 Ignition Run/Accy/Circuit Failure
- I: DTC1555 Igntion Run/Start Circuit Failure
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Knock Sensor
- Tune-up and Engine Performance Checks
- Computers and Control Systems
- Air Flow Meter/Sensor
- Auxiliary Air Valve (Idle Speed)
- Camshaft Position Sensor
- Coolant Temperature Sensor/Switch (For Computer)
- Crankshaft Position Sensor
- Data Link Connector
- Engine Control Module
- Engine Temperature Sensor
- Idle Speed/Throttle Actuator - Electronic
- Information Bus
- Knock Sensor
- Main Relay (Computer/Fuel System)
- Malfunction Indicator Lamp
- Oxygen Sensor
- Pressure Feedback Exhaust Sensor
- Relays and Modules - Computers and Control Systems
- Sensors and Switches - Computers and Control Systems
- Throttle Position Sensor
- Transmission Position Sensor/Switch
- Vehicle Speed Sensor
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Diagnostic Routines Index
- Diagnostic Routines
- 1 - Stalls After Start
- 2 - Hard Start/Long Crank - Erratic Start/Erratic Crank
- 3 - No Start/Normal Crank
- 4 - Slow Return To Idle
- 5 - Fast Idle - Diesels/Runs On
- 6 - Low/Slow Idle
- 7 - Backfires
- 8 - Lack/Loss Of Power
- 9 - Spark Knock
- 10 - Poor Fuel Economy
- 11 - Emissions Compliance
- 12 - Warning Indicators
- 13 - Automatic Transmission Concerns
- 14 - Instrumentation - Tachometer Inoperative
- 15 - Oil System Concerns
- 16 - Electric Cooling Fan(s) Inoperative (Low/High Speed)
- 17 - Electric Cooling Fan(s) Always Run(s)
- 18 - Exhaust System Concerns - Smoke
- 19 - Fuel System Concerns
- 20 - Engine Noise (Under Hood)
- 21 - Climate Control
- 22 - Exhaust System Concerns - (Sulfur, Rotten Egg Odor)
- Intermittent Symptoms
- Pinpoint Tests
- A - No Start Test
- B - EEC Power Relay
- C - Reference Voltage (VREF)
- DA - Intake Air/Engine Coolant/Engine Oil Temperature Sensors
- DB - Engine Fuel Temperature (EFT) Sensor
- DC - Mass Air Flow (MAF) Sensor
- DD - Fuel Rail Pressure (FRP) Sensor
- DE - Flexible Fuel (FF) Sensor
- DH - Throttle Position (TP) Sensor
- DL - Cylinder Head Temperature (CHT) Sensor
- DP - Vehicle Speed/Transfer Case Speed Sensors
- DQ - Barometric Pressure (BARO) Sensor
- DR - Camshaft Position (CMP) Sensor
- DS - Air Conditioning Pressure (ACP) Sensor
- DU - Intake Air Temperature 2 (IAT2) Sensor
- EM - Emission Compliance
- FD - Brake Pedal Position (BPP) Switch
- FF - Power Steering Pressure (PSP) Switch
- FH - Generator Load Input (GLI)
- H - Fuel Control
- HA - Natural Gas Fuel Control
- HB - Natural Gas Fuel Delivery System
- HC - Fuel Delivery System
- HD - Misfire Detection Monitor
- HE - Exhaust Gas Recirculation (EGR) Systems
- HF - Catalyst Efficiency Monitor and Exhaust Systems
- HG - Positive Crankcase Ventilation (PCV) System
- HM - Secondary Air Injection (AIR) System
- HU - Intake Air System
- HX - Evaporative Emission (EVAP) Monitor and System
- Test Notes
- Pinpoint Test Schematics
- Connector Views
- Port Locations
- HX1 - HX2
- HX3
- HX4 - HX5
- HX6 - HX7
- HX8 - HX10
- HX11 - HX15
- HX18 - HX19
- HX20 - HX21
- HX22 - HX23
- HX24 - HX27
- HX28 - HX33
- HX34 - HX37
- HX38 - HX44
- HX45 - HX46
- HX47 - HX49
- HX50
- HX51 - HX53
- HX54
- HX55 - HX57
- HX58 - HX59
- HX61 - HX66
- HX67 - HX71
- HX76 - HX78
- HX79 - HX83
- HX84 - HX87
- HX91 - HX93
- HX94 - HX96
- HX97 - HX99
- HX100 - HX101
- HX102 - HX103
- HX104
- HX105
- JB - Secondary Ignition
- JD - Crankshaft Position (CKP) Sensor
- JF - Integrated Ignition Coil on Plug 1-10 Failure
- JH - Tachometer Output Failure
- KA - Fuel Pump Relay
- KC - Fuel Shutoff Valve Relay
- KE - Idle Air Control (IAC) Valve Assembly
- KF - Fan Control (FC) Relay
- KH - Hydraulic Cooling Fan
- KM - Wide Open Throttle (WOT) A/C Cutoff Relay, A/C Circuits
- KP - Charge Air Cooler Pump (CAC)
- NB - Malfunction Indicator Lamp (MIL)
- NC - Ignition Engine Speed Input Circuit
- ND - Engine RPM/Vehicle Speed Limiter
- QA - Unable to Activate Self-Test/SCP Error/DTC Not Listed
- QB - Diagnostic Trouble Code (DTC) P0603/P1605/P1633
- QC - OBD II Monitor Testing Not Complete - DTC P1000
- QD - Diagnostic Trouble Code (DTC) P1260
- TB - Trans. Control Switch / Trans. Control Indicator Lamp
- TH - Reverse Switch (RS)
- TJ - Output Shaft Speed (OSS) Sensor
- X - Constant Control Relay Module (CCRM)
- Z - Intermittent
- Scan Tool Testing and Procedures
- Mode 6 Data
- Monitors, Trips, Drive Cycles and Readiness Codes
- Programming and Relearning
Service and Repair
Diagrams
Technical Service Bulletins
Tools and Equipment
- Emission Control Systems
- Catalytic Converter
- Evaporative Emissions System
- Canister Purge Control Valve
- Canister Purge Solenoid
- Evaporative Check Valve
- Evaporative Emission Control Canister
- Evaporative System Service Port
- Evaporative Vapor Pressure Sensor
Description and Operation
Testing and Inspection
Technical Service Bulletins
- Exhaust Gas Recirculation
- Positive Crankcase Ventilation
- Sensors and Switches - Emission Control Systems
Description and Operation
Diagrams
Technical Service Bulletins
- Fuel Delivery and Air Induction
- Fuel Pressure
- Fuel Pressure Release
- Idle Speed
- Accelerator Pedal
- Air Cleaner Housing
- Air Flow Meter/Sensor
- Auxiliary Air Valve (Idle Speed)
- Fuel
- Fuel Filler Cap
- Fuel Filter
- Fuel Injector
- Fuel Line Coupler
- Fuel Pressure Regulator
- Fuel Pump
- Fuel Rail
- Fuel Shut-off Solenoid
- Fuel Supply Line
- Fuel Tank
- Fuel Tank Unit
- Idle Speed/Throttle Actuator - Electronic
- Inertia Fuel Shutoff Switch
- Main Relay (Computer/Fuel System)
- Relays and Modules - Fuel Delivery and Air Induction
- Sensors and Switches - Fuel Delivery and Air Induction
- Throttle Body
- Throttle Cable/Linkage
- Throttle Position Sensor
Service Precautions
Description and Operation
Diagrams
Technical Service Bulletins
- Ignition System
- Firing Order
- Ignition Timing
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Ignition Coil
- Ignition Control Module
- Knock Sensor
- Relays and Modules - Ignition System
- Sensors and Switches - Ignition System
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With Lighting Control Module
- B: Unable to Enter Self-Test
- C: Ignition Switch in Inoperative
- D: No Power in ACC Position
- E: No Power in ON Position
- F: No Power in START Position
- G: Multifunction Switch Does Not Operate Correctly
- H: DTC B1359 Ignition Run/Accy/Circuit Failure
- I: DTC1555 Igntion Run/Start Circuit Failure
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Knock Sensor
- Spark Plug
Description and Operation
Diagrams
Technical Service Bulletins
- Transmission Control Systems
- Actuators and Solenoids - Transmission and Drivetrain
- Lamps and Indicators - Transmission and Drivetrain
- Sensors and Switches - Transmission and Drivetrain
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Diagnostic Symptom Instructions - Begin Here
- Diagnosis By Symptom Index
- Engagement Concerns
- Shift Concerns
- 210/310 - Some or All Shifts Missing
- 211/311 - Shift Timing: Early/Late
- 212/312 - Shift Timing: Erratic/Hunting
- 213/313 - Shift Feel: Soft/Slipping
- 214/314 - Shift Feel: Harsh
- 215/315 - No 1ST Gear, Engages In Higher Gear
- 216/316 - No Manual 1ST Gear
- 217/317 - No Manual 2ND Gear
- 220/320 - 1-2 Shift (Automatic)
- 221/321 - 2-3 Shift (Automatic)
- 222/322 - 3-4 Shift (Automatic)
- 223/323 - 4-3 Shift (Automatic)
- 224/324 - 3-2 Shift (Automatic)
- 225/325 - 2-1 Shift (Automatic)
- Torque Converter Clutch Operation Concerns
- Other Concerns
- Pinpoint Tests
- Before Pinpoint Tests
- General Information
- Rotunda Transmission Tester
- Shift Solenoid Operation Chart
- Transmission Connector Layouts
- A: Shift Solenoids
- B: Transmission Fluid/Oil Temperature (TFT/TOT) Sensor
- C: Digital Transmission Range (TR) Sensor
- D: Electronic Pressure Control (EPC) Solenoid
- E: Turbine Shaft (TSS), Output Shaft (OSS) Speed Sensors
- F: Solenoid Mechanical Failure
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Monitors, Trips, Drive Cycles and Readiness Codes
Diagrams
Technical Service Bulletins
- PROM - Programmable Read Only Memory
Description and Operation
- Vehicle Emission Control Information
- Engine/Evaporative Emission System Information
- Acronym Definitions
- On Board Diagnostics II Monitors
- Catalyst Efficiency Monitor - Federal Test Procedure
- Comprehensive Component Monitor
- Evaporative Emission Vapor Management Flow System Monitor
- Evaporative Emission (EVAP) Running Loss System Monitor
- Differential Pressure Feedback EGR System Monitor
- Fuel System Monitor
- Heated Oxygen Sensor (HO2S) Monitor
- Misfire Detection Monitor
- Electric Secondary Air Injection Pump System Monitor
- Malfunction Indicator Lamp (MIL)
- Electronic Engine Control (EC) System
- Powertrain Control Software
- Powertrain Control Hardware
- PCM Inputs
- PCM Outputs
- Ignition Systems
- Fuel Systems
- Exhaust Gas Recirculation Systems
- Evaporative Emission Systems
- Intake Air Systems
- Secondary Air Injection System
- Positive Crankcase Ventilation System
- Catalyst and Exhaust Systems
- PCM - Controlled Charging System
Diagrams
Technical Service Bulletins
- Transmission and Drivetrain
- Actuators and Solenoids - Transmission and Drivetrain
- Automatic Transmission/Transaxle
- Actuators and Solenoids - A/T
- Accumulator
- Band
- Band Apply Servo
- Clutch
- Automatic Transmission Dipstick - Dipstick Tube
- Extension Housing
- Fluid - A/T
- Fluid Line/Hose
- Fluid Pan
- Fluid Pump
- Lamps and Indicators - A/T
- Overdrive Indicator Lamp
- Planetary Gears
- Pressure Regulating Solenoid
- Seals and Gaskets
- Sensors and Switches - A/T
- Shift Indicator - A/T
- Shift Interlock
- Shifter A/T
- Shift Linkage
- Sun Gear
- Thrust Washer/Bearing
- Torque Converter
- Torque Converter Clutch Solenoid
- Transmission Cooler
- Transmission Mode Indicator - A/T
- Transmission Mode Switch
- Transmission Mount
- Transmission Position Sensor/Switch
- Transmission Pressure Test Port
- Transmission Speed Sensor
- Valve Body
- Wiring Harness
- Application and ID
Description and Operation
Testing and Inspection
Locations
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Differential Assembly
- Drive Axles, Bearings and Joints
- Drive/Propeller Shafts, Bearings and Joints
- Flex Plate
- Lamps and Indicators - Transmission and Drivetrain
- Manual Transmission/Transaxle
- Sensors and Switches - Transmission and Drivetrain
- Transmission Control Systems
- Actuators and Solenoids - Transmission and Drivetrain
- Lamps and Indicators - Transmission and Drivetrain
- Sensors and Switches - Transmission and Drivetrain
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Diagnostic Symptom Instructions - Begin Here
- Diagnosis By Symptom Index
- Engagement Concerns
- Shift Concerns
- 210/310 - Some or All Shifts Missing
- 211/311 - Shift Timing: Early/Late
- 212/312 - Shift Timing: Erratic/Hunting
- 213/313 - Shift Feel: Soft/Slipping
- 214/314 - Shift Feel: Harsh
- 215/315 - No 1ST Gear, Engages In Higher Gear
- 216/316 - No Manual 1ST Gear
- 217/317 - No Manual 2ND Gear
- 220/320 - 1-2 Shift (Automatic)
- 221/321 - 2-3 Shift (Automatic)
- 222/322 - 3-4 Shift (Automatic)
- 223/323 - 4-3 Shift (Automatic)
- 224/324 - 3-2 Shift (Automatic)
- 225/325 - 2-1 Shift (Automatic)
- Torque Converter Clutch Operation Concerns
- Other Concerns
- Pinpoint Tests
- Before Pinpoint Tests
- General Information
- Rotunda Transmission Tester
- Shift Solenoid Operation Chart
- Transmission Connector Layouts
- A: Shift Solenoids
- B: Transmission Fluid/Oil Temperature (TFT/TOT) Sensor
- C: Digital Transmission Range (TR) Sensor
- D: Electronic Pressure Control (EPC) Solenoid
- E: Turbine Shaft (TSS), Output Shaft (OSS) Speed Sensors
- F: Solenoid Mechanical Failure
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Monitors, Trips, Drive Cycles and Readiness Codes
Diagrams
Technical Service Bulletins
Description and Operation
Testing and Inspection
Specifications
Technical Service Bulletins
Tools and Equipment
- Brakes and Traction Control
- Antilock Brakes / Traction Control Systems
- ABS Light
- Electronic Brake Control Module
- Hydraulic Control Assembly - Antilock Brakes
- Traction Control Indicator Lamp
- Wheel Speed Sensor
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A Check Circuits for Open
- B ABS Control Module
- C Hydraulic Pump Motor
- D DTC C1145, C1155, C1165, C1175 Checking for Short / Open
- E DTC C1233, C1234, C1235, C1236 Check ABS Brake Sensor
- F Check For Stoplamp Operation
- G Check Battery Voltage
- H Check Component Mounting
- I Check HCU Valve Operation
- J ABS Operation
- K Check the Yellow ABS Warning Indicator
- L Check for DTC
- M Checking Circuit for Open
- Scan Tool Testing and Procedures
- Pinout Values and Diagnostic Parameters
Diagrams
Technical Service Bulletins
Tools and Equipment
- Brake Bleeding
- Brake Pedal Assy
- Brake Warning Indicator
- Disc Brake System
- Drum Brake System
- Hydraulic System
- Parking Brake System
- Power Brake Assist
- Relays and Modules - Brakes and Traction Control
- Sensors and Switches - Brakes and Traction Control
Description and Operation
Testing and Inspection
Specifications
Technical Service Bulletins
Tools and Equipment
- Antilock Brakes / Traction Control Systems
- Starting and Charging
- Sensors and Switches - Starting and Charging
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With Lighting Control Module
- B: Unable to Enter Self-Test
- C: Ignition Switch in Inoperative
- D: No Power in ACC Position
- E: No Power in ON Position
- F: No Power in START Position
- G: Multifunction Switch Does Not Operate Correctly
- H: DTC B1359 Ignition Run/Accy/Circuit Failure
- I: DTC1555 Igntion Run/Start Circuit Failure
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Neutral Safety Switch
- Ignition Switch
- Relays and Modules - Starting and Charging
- Battery
- Charging System
- Alternator
- Voltage Regulator
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Pinpoint Test Notes
- A: Charge Lamp On W/Eng Running (Low Voltage)
- B: Charge Lamp Off, Key On Eng Off (Batt Voltage Low)
- C: Warning Lamp ON With Eng Running/Voltage Increases
- D: Charge Lamp OFF With KOEO (Voltage Increases With KOER)
- E: Charge Lamp Operates OK (No Increase in Voltage)
- F: Batt Is Dead, Will Not Stay Charged, Low Batt or Alt Voltage
- G: Charge Lamp Flickers/Is Intermittent
- H: System Overcharges (Batt Voltage Greater Than 15.5 Volts)
- J: Batt Leakage or Damage
- K: The Voltage Gauge Reads High or Low
- L: The Alt Is Noisy
- M: Radio Interference
- Component Tests and General Diagnostics
Locations
Diagrams
Specifications
Tools and Equipment
- Starting System
- Ignition Switch
- Ignition Switch Lock Cylinder
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With Lighting Control Module
- B: Unable to Enter Self-Test
- C: Ignition Switch in Inoperative
- D: No Power in ACC Position
- E: No Power in ON Position
- F: No Power in START Position
- G: Multifunction Switch Does Not Operate Correctly
- H: DTC B1359 Ignition Run/Accy/Circuit Failure
- I: DTC1555 Igntion Run/Start Circuit Failure
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Neutral Safety Switch
- Starter Cable
- Starter Motor
- Starter Relay
- Starter Solenoid
Description and Operation
Testing and Inspection
Diagrams
Technical Service Bulletins
- Ignition Switch
- Power and Ground Distribution
- Circuit Breaker
- Electrical Accessory Panel
- Electronic Noise Suppressor
- Fuse
- Fuse Block
- Micro ISO Relay
- Mini ISO Relay
- Multiple Junction Connector
- Relays and Modules - Power and Ground Distribution
- Relay Box
Diagrams
Technical Service Bulletins
Technical Service Bulletins
- Sensors and Switches - Starting and Charging
- Power and Ground Distribution
- Circuit Breaker
- Electrical Accessory Panel
- Electronic Noise Suppressor
- Fuse
- Fuse Block
- Micro ISO Relay
- Mini ISO Relay
- Multiple Junction Connector
- Relays and Modules - Power and Ground Distribution
- Relay Box
Diagrams
Technical Service Bulletins
- Steering and Suspension
- Alignment
- Relays and Modules - Steering and Suspension
- Sensors and Switches - Steering and Suspension
- Steering
- Center Link
- Diagnostic Connector
- Idler Arm
- Pitman Arm
- Power Steering
- Relays and Modules - Steering
- Sensors and Switches - Steering
- Steering Angle Sensor
- Steering Column
- Steering Gear
- Steering Shaft
- Steering Wheel
- Tie Rod
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: No Communication With EVO Control Module
- B: No Communication With Air Suspension Control Module
- C: Unable to Enter Auto Test - EVO Control Module
- D: Unable to Enter Auto Test - Air Suspension Control Module
- E: DTC16/17/18 EVO Actuator Shorted/Open/Resistance Concerns
- F: DTC27 EVO Actuator Circuit Open
- G: DTC28 EVO Actuator Circuit Shorted
- H: DTC29 EVO Actuator Circuit High Side Shorted to Ground
- I: DTC30 EVO Actuator Circuit Shorted to Battery
- J: DTC31 EVO Actuator Circuit Low Side Shorted to Ground
- K: DTC33 Steering Rotation Not Detected
- L: DTC 35 Vehicle Speed Above 24km/h (15mph) Not Detected
- M: DTC74 Steering Rotation Not Detected
- Component Tests and General Diagnostics
Locations
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Suspension
- Ball Joint
- Control Arm
- Lateral Stabilizer Rod
- Relays and Modules - Suspension
- Sensors and Switches - Suspension
- Spindle
- Stabilizer Bar
- Suspension Control ( Automatic - Electronic )
- Air Dryer
- Air Line
- Air Spring
- Compressor/Pump
- Compressor/Pump Relay
- Diagnostic Connector
- Level Control Solenoid Valve
- Ride Height Sensor
- Suspension Control Module
- Suspension Mode Switch
- Suspension Warning Indicator
Service Precautions
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Descriptions
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A No Communications With the Control Module
- B Unable to Enter Self-Test
- C Auto Test
- D DTC 39 Compressor Relay Control Circuit Short to Power
- E DTC40 Compressor Relay Control Circuit Failure
- F DTC 42 Air Spring Solenoid Circuit Short to Ground
- FT Functional Tests
- G DTC 43 Air Spring Solenoid Circuit Short to Power
- H DTC 44 Vent Solenoid Circuit Short to Power
- I DTC 45 Vent Solenoid Circuit Failure
- J DTC 46 Height Sensor Supply Circuit Failure
- K DTC 51 Unable to Detect Lowering of Rear
- L DTC 54 Unable to Detect Raising of Rear
- M DTC 55 Unable to Detect Vehicle Speed Over 24km/h (15mph)
- N DTC 60 Air Suspension Switch Short to Power
- O DTC61 Air Suspension Switch Circuit Failure
- P DTC 68 Height Sensor Circuit Failure
- Q DTC 71 Height Sensor Circuit Open
- R DTC 72 Did Not Detect Four Open or Closed Door Signals
- S DTC 80 Battery Voltage High or Low
Adjustments
Service and Repair
Diagrams
Tools and Equipment
- Suspension Spring ( Coil / Leaf )
- Suspension Strut / Shock Absorber
- Suspension Travel Bumper
- Wheel Bearing
- Wheel Hub
Description and Operation
Testing and Inspection
Locations
Specifications
Technical Service Bulletins
- Wheels and Tires
Technical Service Bulletins
- Heating and Air Conditioning
- Accumulator HVAC
- Air Door
- Air Duct
- Air Register
- Ambient Temperature Sensor / Switch HVAC
- Blower Motor
- Blower Motor Resistor
- Cabin Air Filter / Purifier
- Cabin Temperature Sensor / Switch
- Compressor HVAC
- Compressor Clutch Relay
- Compressor Fitting HVAC
- Condenser HVAC
- Control Assembly
- Control Module HVAC
- Coupler HVAC
- Evaporator Case
- Evaporator Core
- Expansion Block/Orifice Tube
- Heater Core
- Heater Core Case
- Heater Hose
- High Pressure Safety Valve HVAC
- Hose/Line HVAC
- Receiver Dryer
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Service Port HVAC
- Solar Sensor
- Vacuum Harness HVAC
- Vacuum Reservoir HVAC
Service Precautions
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- A: DTC B1249: Blend Door Failure
- B: DTC B1251/B1253: Incorrect A/C In-Car Temp Sensor Operation
- C: DTC B1255: DTC B1257 Incorrect A/C Ambient Temp Sensor
- D: DTC B1261: A/C Solar Radiation Sensor CKT Short to Ground
- E: No Communication With EATC Control Module
- F: EATC System INOP, Intermittent, or Incorrect Operation
- G: Incorrect/Erratic Airflow From Outlets(s)-EATC
- H: The A/C Does Not Operate or Does Not Operate Correctly
- I: The Blower Motor Does Not Operate-EATC
- J: Blower Motor Operates Continuously Only In High Speed
- K: No Operation In Some Blower Settings
- L: Temp Set Point Does Not Repeat After Turning IGN Switch Off
- M: Temp Display Will Not Switch Between Celsius/Fahrenheit
- N: Incorrect/Erratic Direction of Air Flow From Outlet-Man. A/C
- O: A/C INOP or Does Not Operate Correctly-Manual A/C
- P: No Operation In All Temperature Settings-Manual A/C
- Q: The Blower Motor Does Not Operate-Manual A/C
- R: Blower Motor Does Not Operate Correctly-Manual A/C
- S: No Operation In High Blower Setting-Manual A/C
- T: Insufficient, Erratic or No Heat
- U: The A/C Is Always ON
- V: Insufficient A/C Cooling
- Component Tests and General Diagnostics
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Restraints and Safety Systems
- Air Bag Systems
- Air Bag(s) Arming and Disarming
- Air Bag
- Air Bag Control Module
- Clockspring Assembly / Spiral Cable
- Impact Sensor
- Side Air Bag
- Malfunction Lamp / Indicator
Service Precautions
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Glossary Of Terms Used In Pinpoint Tests
- Pinpoint Test Icons
- A: Air Bag Indicator On Continuously -ECS Module Disconn./Inop
- B: LFC 24/DTC B1342 - ECS Module Internal Fault
- C: LFC 19/DTC B1231 - Crash Data Memory Full
- D: LFC 21 /DTC B1921- Gnd Resist High/Module Improperly Mounted
- E: LFC 12/DTC B1318 - Low Battery Voltage
- F: LFC 29/DTC C1414 - Incorrect Module Design Level
- G: LFC 15/DTC B1887 - Driver Air Bag Circuit Short to Ground
- H: LFC 15/DTC B1916 - Driver Air Bag Circuit Short To Batt/Ign
- I: LFC 16/DTC B1888 - Passenger Air Bag Ckt Shorted to Ground
- J: LFC 16/DTC B1925 - Passenger Air Bag Ckt Shorted to Batt/Ign
- K: LFC 32/DTC B1932 - Driver Air Bag High Resistance/Open Ckt
- L: LFC 33/DTC B1933 - Pass Air Bag High Resistance/Open Ckt
- M: LFC 34/DTC B1934 - Driver Air Bag Circuit Resistance Low
- N: LFC 35/DTC B1935 - Passenger Side Air Bag Resistance Low
- O: LFC 41/DTC B1941-Ext Crash Sensor Open Ckt/Short to Batt
- P: LFC 14/DTC B1901- External Crash Sensor Short to Ground
- Q: B1892-Air Bag Tone Warning Indicator Ckt Short to Gnd/Open
- R: DTC B1891-Air Bag Tone Warn Indicator Ckt Short to Batt/Ign
- S: DTC B1241-Non Volatile Memory Configuration Failure
- T: DTC B1869 - Air Bag Indicator Inoperative
- U: DTC B1870 - Air Bag Indicator Circuit Short to Battery
- V: Multiple DTC's-Unexpected Feature Present
- W: No Communication With the ECS Module
- Pinout Values and Diagnostic Parameters
Diagrams
Tools and Equipment
- Relays and Modules - Restraints and Safety Systems
- Seat Belt Systems
- Sensors and Switches - Restraints and Safety Systems
Technical Service Bulletins
- Air Bag Systems
- Accessories and Optional Equipment
- Antenna
- Antitheft and Alarm Systems
- Alarm Module
- Keyless Entry
- Keyless Entry Key-Pad
- Keyless Entry Transmitter
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Icons Used With Pinpoint Tests
- A: No Communication With the Driver Door Module
- B: No Communication With the Lighting Control Module
- C: Unable to Enter Self-Test - LCM
- D: DTC B1322 - Driver Door Ajar Circuit Short to Ground (DDM)
- E: DTC B1396 - Power Door Lock Circuit Short to Battery (DDM)
- F: DTC B1517 - Driver Occupied Switch Short to Battery (DDM)
- G: DTC B1525 - Keyless Entry Circuit Short to Battery (DDM)
- H: DTC B1553 - Decklid Release Circuit Short to Battery (DDM)
- I: DTC B1751 - Park/Neutral Switch Short to Battery (DDM)
- J: DTC B2425 - Remote Keyless Entry Out of Sync (DDM)
- K: DTC B1300-PWR Lock Circuit Failure(LCM), DTC B1310 & 1396
- L: DTC B1319 - Driver Door Ajar CKT Failure, DTC B1322
- M: DTC B1677 - DTC B1679
- N: All Door Locks Are Inoperative
- O: All Door Locks Are Inoperative From One Switch
- P: Single/More Than One Door Lock Is Inoperative
- Q: The Doors Do Not Lock/Unlock Using the Keyless Entry Keypad
- R: The Doors Do Not Lock/Unlock Using the Remote Transmitter
- S: The Auto-Lock Does Not Operate Correctly
- T: The Luggage Compartment Door Is Inop Using the Remote
- U: Panic Feature Does Not Operate Correctly/Is Inoperative
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
Technical Service Bulletins
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- B Code Charts
- B1213: Number of Programmed Keys Is Below Min
- B1600: No Key Code Rec - Damaged Ign Key
- B1601: Unprogrammed Encoded Ignition Key (Keycode Format Ok)
- B1602: Invalid Key Code Format From Encoded Key
- B1681: PATS Transceiver Signal Is Not Received
- B2103: Antenna Not Connected - Defective Transceiver
- B2139: PCM ID Does Not Match Between PATS and PCM
- B2141: No Security ID Exchange Between PATS and PCM
- U Code Charts
- PATS Diagnostic Trouble Code (DTC) Index
- B Code Charts
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
Service and Repair
Diagrams
Technical Service Bulletins
Tools and Equipment
- Driver/Vehicle Information Display
- Garage Door Opener Transmitter
- General Module
- Radio, Stereo, and Compact Disc
- Amplifier
- Compact Disc Player (CD)
- Radio/Stereo
- Speaker
- Tape Player
- Application and ID
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Pinpoint Test Icons
- A: Radio Inoperative - Does Not Operate Properly
- B: CD Changer Inop - Does Not Operate Properly
- C: CD Changer Display Blank - Does Not Operate Properly
- D: Noisy Reception
- E: Noisy Reception (FM Only)
- F: Poor Quality/Distorted Sound-Not All Speakers
- G: No Sound From One Or More Speakers-Not All Speakers
- H: No Sound From All Speakers
- Component Tests and General Diagnostics
Technical Service Bulletins
Tools and Equipment
- Relays and Modules - Accessories and Optional Equipment
Diagrams
Technical Service Bulletins
- Body and Frame
- Air Bag(s) Arming and Disarming
- Doors, Hood and Trunk
- Interior Moulding / Trim
- Jack
- Locks
- Door Locks
- Keyless Entry
- Keyless Entry Key-Pad
- Keyless Entry Transmitter
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Icons Used With Pinpoint Tests
- A: No Communication With the Driver Door Module
- B: No Communication With the Lighting Control Module
- C: Unable to Enter Self-Test - LCM
- D: DTC B1322 - Driver Door Ajar Circuit Short to Ground (DDM)
- E: DTC B1396 - Power Door Lock Circuit Short to Battery (DDM)
- F: DTC B1517 - Driver Occupied Switch Short to Battery (DDM)
- G: DTC B1525 - Keyless Entry Circuit Short to Battery (DDM)
- H: DTC B1553 - Decklid Release Circuit Short to Battery (DDM)
- I: DTC B1751 - Park/Neutral Switch Short to Battery (DDM)
- J: DTC B2425 - Remote Keyless Entry Out of Sync (DDM)
- K: DTC B1300-PWR Lock Circuit Failure(LCM), DTC B1310 & 1396
- L: DTC B1319 - Driver Door Ajar CKT Failure, DTC B1322
- M: DTC B1677 - DTC B1679
- N: All Door Locks Are Inoperative
- O: All Door Locks Are Inoperative From One Switch
- P: Single/More Than One Door Lock Is Inoperative
- Q: The Doors Do Not Lock/Unlock Using the Keyless Entry Keypad
- R: The Doors Do Not Lock/Unlock Using the Remote Transmitter
- S: The Auto-Lock Does Not Operate Correctly
- T: The Luggage Compartment Door Is Inop Using the Remote
- U: Panic Feature Does Not Operate Correctly/Is Inoperative
- Scan Tool Testing and Procedures
Service and Repair
Diagrams
Technical Service Bulletins
- Power Locks
- Trunk / Liftgate Lock Cylinder
Technical Service Bulletins
- Mirrors
- Power Mirror Control Module
- Power Mirror Motor
- Power Mirror Switch
Description and Operation
Testing and Inspection
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Paint, Striping and Decals
- Relays and Modules - Body and Frame
- Seats
- Power Seat Control Module
- Power Seat Motor
- Power Seat Switch
- Seat Cushion
- Seat Latch
- Seat Track
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Icons Used With Pinpoint Tests
- Special Tool(s) Used In Pinpoint Tests
- A: The Power Seat Is Inoperative
- B : Seat No Horizontal/Vertical - Driver, W/Out Power Recline
- C: Seat No Horizontal/Vertical - Driver, W/Power Recline
- D : Power Does Not Move Horizontally/Vertically - Passenger
- E : Power Seat Does Not Recline - Driver
- F : Power Seat Does Not Recline - Passenger
- G : Power Lumbar Is Inoperative
Service and Repair
Diagrams
Specifications
Tools and Equipment
- Sensors and Switches - Body and Frame
- Weatherstrip
Description and Operation
Specifications
Technical Service Bulletins
- Cruise Control
- Brake Switch (Cruise Control)
- Cruise Control Servo
- Cruise Control Servo Cable
- Cruise Control Switch
- Sensors and Switches - Cruise Control
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Icons Used With Tests
- A: Speed Control Inoperative
- B: Set Speed Fluctuates
- C: Speed Control Does Not Disengage When Brakes Applied
- D: Coast Switch Inoperative
- E: SET/ACCEL Switch Is Inoperative
- F: Resume Switch Inoperative
- G: OFF Switch Inoperative
- H: Flash With Switch Pressed, No Pull At Throttle Cruise Inop
- I: Flash Code 2 - Brake Pedal Position Switch Circuit Failure
- J: Flash Code 3 - Deactivator Switch Circuit Failure
- K: Flash Code 4 - Vehicle Speed Sensor (VSS) Circuit Failure
Diagrams
Tools and Equipment
- Instrument Panel, Gauges and Warning Indicators
- ABS Light
- Audible Warning Device
- Audible Warning Device Control Module
- Brake Warning Indicator
- Charge Lamp/Indicator
- Cigarette Lighter
- Clock
- Compass
- Dashboard / Instrument Panel
- Door/Trunk Ajar Indicator/Lamp
- Driver/Vehicle Information Display
- Fuel Gauge
- Instrument Cluster / Carrier
- Air Bag(s) Arming and Disarming
- Instrument Panel Bulb
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Pinpoint Tests (Conventional Instrument Cluster)
- Icons Used With Pinpoint Test
- A: No Communication With Lighting Control Module
- B: No Communication With LCM/Unable to Self-Test
- C: The Instrument Cluster Is Inoperative
- D: Incorrect Fuel Gauge Indication
- E: Incorrect Temperature Gauge Indication
- F: Incorrect Oil Pressure Gauge Indication
- G: The Speedometer/Odometer Is Inoperative
- H: Low Fuel Lamp Never/Always ON
- I: The Charge System Warning Lamp Is Never ON
- J: Brake Warning Never/Always ON
- K: A Lamp Is Inoperative - Check Engine
- L: Safety Belt Warning Lamp Is Inop (Chime OK)
- M: A Lamp Is Inoperative/Always ON - Air Suspension Lamp
- N: A Lamp Is Inoperative - LH Turn
- O: A Lamp Is Inoperative - RH Turn
- P: A Lamp Is Inoperative - High Beam
- Q: A Lamp Is Inoperative - Traction Control
- R: A Lamp Is Inoperative - Overdrive Off
- S: A Lamp Is Inoperative - ABS
- T: A Lamp Is Inoperative - Fail-Safe Cooling
- Pinpoint Tests (Electronic Instrument Cluster)
- Icons Used With Pinpoint Tests
- A: No Communication With Lighting Control Module
- B: No Communication W/LCM - Unable to Enter Self-
- C: The Instrument Cluster Is Inoperative
- D: Incorrect Fuel Gauge Indication
- E: Incorrect Temperature Gauge Indication
- F: Incorrect Oil Pressure Gauge Indication
- G: The Speedometer/Odometer Is Inoperative
- H: The Low Fuel Warning Indicator Is Never/Always ON
- I: The Charge System Warning Indicator Is Never ON
- J: The Brake Warning Indicator Is Never ON
- K: An Indicator Is Inoperative - Check Engine
- L: Safety Belt Warning Indicator Inop (Chime OK)
- M: An Indicator Is Inop/Always ON - Check Air Suspension
- N: An Indicator Is Inoperative - LH Turn
- O: An Indicator Is Inoperative - RH Turn
- P: An Indicator Is Inoperative - High Beam
- Q: An Indicator Is Inoperative - Traction Control
- R: An Indicator Is Inoperative - Overdrive Off
- S: An Indicator Is Inoperative - ABS
- T: An Indicator Is Inoperative - Fail Safe Cooling
- U: An Indicator Is Inoperative - Door Ajar
- V: An Indicator Is Inoperative - Trunk Ajar
- W: An Indicator Is Inoperative - Low Washer Fluid
- X: An Indicator Is Inoperative - Hazard
- Pinpoint Tests (Natural Gas Vehicle)
- Pinpoint Tests (Conventional Instrument Cluster)
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Pinout Values and Diagnostic Parameters
Locations
Service and Repair
Specifications
- Key Reminder Switch
- Low Fuel Lamp/Indicator
- Maintenance Required Lamp/Indicator
- Malfunction Indicator Lamp
- Odometer
- Oil Change Reminder Lamp
- Oil Pressure Gauge
- Oil Pressure Sender
- Oil Pressure Warning Lamp/Indicator
- Overdrive Indicator Lamp
- Relays and Modules - Instrument Panel
- Seat Belt Reminder Lamp
- Sensors and Switches - Instrument Panel
- Shift Indicator - A/T
- Speedometer Head
- Suspension Warning Indicator
- Temperature Gauge
- Temperature Sensor (Gauge)
- Temperature Warning Lamp/Indicator
- Traction Control Indicator Lamp
- Transmission Mode Indicator - A/T
- Volt Meter Gauge
Service Precautions
Description and Operation
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Icons Used With Pinpoint Tests
- A: No Communication With LCM/Unable To Perform Self-Test
- B: No Communication With LCM-Unable to Enter Self-Test
- C: DTC B1579: Dim Panel Increase Input Circuit Failure
- D: DTC B1581: Dim Panel Increase Input Circuit Short to Battery
- E: DTC B1583: Dim Panel Decrease Input Circuit Failure
- F: DTC B1585: Dim Panel Decrease Input Circuit Short to Battery
- G: Control Illumination Is Inoperative
- H: Instrument Cluster Illumination Is Inoperative-Conventional
- I: Instrument Cluster Illumination Is Inoperative-Electronic
- J: Climate Control Illumination Is Inoperative
- K: Audio System Illumination Is Inoperative
- L: A Single Illumination Source Is Inoperative
- M: Instrument Panel Illumination Does Not Dim
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
Diagrams
Technical Service Bulletins
- Lighting and Horns
- Ambient Light Sensor
- Backup Lamp
- Brake Lamp
- Brake Light Switch
- Center Mounted Brake Lamp
- Cornering Lamp
- Courtesy Lamp
- Daytime Running Lamp
- Dome Lamp
- Exterior Lighting Module
- Hazard Warning Lamps
- Hazard Flasher Relay
- Hazard Warning Flasher
- Hazard Warning Indicator
- Hazard Warning Switch
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Icons Used With Pinpoint Tests
- N B1872 Turn/Hazard Power Feed CKT Short to B+
- O B1873 Turn/Hazard Power Feed CKT Short to Ground
- P Turn Lamps/Hazard Flasher Lamps Are Never On
- Q Turn Signal Lamps Never On - Hazard Flasher Lamps OK
- R Hazard Lamps Are Never On - Turn Signal Lamps OK
- R One Turn Signal/Hazard Flasher Lamp Inoperative
- T Cornering Lamps Are Never Always On
- U An Individual Cornering Lamp Inoperative
- Scan Tool Testing and Procedures
Diagrams
- Headlamp
- Headlamp Bulb
- Headlamp Dimmer Switch
- Headlamp Switch
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Component Tests and General Diagnostics
- With Manual Headlamps
- Inspection and Verification (Start Testing Here)
- Diagnostic Special Service Tool(s)
- Principles of Operation (How Does It Work?)
- Diagnostic Trouble Codes (DTCs)
- Symptom Chart(s)
- Pinpoint Tests
- Icons Used With Pinpoint Tests
- A No Communication With the Lighting Control Module
- B No Communication w/LCM- Unable to Enter Self-Test
- C High Beams or Low Beams Inoperative
- D H/Lamps Are On Continuously
- E High Beams Are Inoperative
- F Low Beams Are Inoperative
- G One Low Beam H/Lamp Is Inoperative
- H One High Beam H/Lamp Is Inoperative
- With Autolamp System
- With Manual Headlamps
Adjustments
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
- Hi-Beam Indicator Lamp
- Horn
- Interior Lighting Module
- Lamp Control Module
- License Plate Lamp
- Marker Lamp
- Parking Lamp
- Relays and Modules - Lighting and Horns
- Sensors and Switches - Lighting and Horns
- Tail Lamp
- Turn Signals
- Turn Signal Flasher
- Turn Signal Indicator
- Turn Signal Switch
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Icons Used With Pinpoint Tests
- Test N : DTC B1872: Turn/Hazard Power Feed CKT Short To Battery
- Test O : DTC B1873: Turn/Hazard Power Feed CKT Short to Ground
- Test P : Turn Lamps/Hazard Lamps Never On
- Test Q : Turn Lamps Never On - Hazard Lamps OK
- Test R : Hazard Lamps Never On - Turn Lamps Operate Correctly
- Test S : One Turn Signal/Hazard Lamp Is Never On
- Test T : Cornering Lamps Are Never Always On
- Test U : An Individual Cornering Lamp Is Inoperative
- Scan Tool Testing and Procedures
Diagrams
Technical Service Bulletins
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Exterior Lighting (Public Safety - Police Package)
- Special Tool Used While Performing Tests
- Icons Used With Pinpoint Tests
- Test AC : Public Safety Equip Power Supply Inop - Red Acc Conn
- Test AD : Public Safety Equip Power Supply Inop - Blue Acc Conn
- Test AE : Deck Lamps Are Inoperative
- Test AF : Public Safety Lighting Inop - LH Package Tray Lamp(S)
- Test AG : Public Safety Lighting Inop - RH Package Tray Lamp(S)
- Interior Lighting
- Icons Used With Pinpoint Tests
- A No Comm w/LCM-Unable/ON-Demand Self Test
- B No Comm W/LCM-Unable to Enter LCM Self Test
- C Courtesy Lamps Are Inoperative
- D An Individual Courtesy Lamp Is Inoperative
- E Courtesy Lamps Stay On Continuously
- F Demand Lighting Is Inoperative
- G An Individual Demand Lighting Lamp Is Inoperative
- H Illuminated Entry Inop W/Remote Transmitter/Keypad
- J Illumin Entry Inop w/Keypad - Keypad Backlight Is Inop
- K B1322 Driver Door Ajar Circuit Failure
- L B1455 or B1442 Door Handle Switch Failure
- M B1566 Door Ajar - Short to Ground
- N B1687 or B1685 Dome Lamp Input Failure
- O No Comm With the Module - DDM
- Exterior Lighting (Public Safety - Police Package)
- Scan Tool Testing and Procedures
- Pinout Values and Diagnostic Parameters
Service and Repair
Diagrams
Specifications
Technical Service Bulletins
Tools and Equipment
- Windows and Glass
- Heated Glass Element
- Rear Defogger
- Relays and Modules - Windows and Glass
- Sensors and Switches - Windows and Glass
- Windows
- Windshield
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Diagnostic Trouble Code Descriptions
- Diagnostic Trouble Code Tests and Associated Procedures
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Pinpoint Test Step Icons
- A: No Communication With Driver Door Module
- B: No Communication With Lighting Control Module
- C: All Power Windows Are Inoperative
- D: Driver Power Windows Is Inoperative
- E: A Single Power Window Is Inoperative - Passenger Front
- F: Left Rear Power Window is Inoperative
- G: The One Touch Down Feature Is Inoperative
- H: Rear Window Will Not Defrost
- I: Rear Window Defroster Will Not Shut Off Automatically
- J: The Rear Window Switch on Indicator Is Inoperative
- Component Tests and General Diagnostics
Diagrams
Technical Service Bulletins
- Wiper and Washer Systems
- Relays and Modules - Wiper and Washer Systems
- Sensors and Switches - Wiper and Washer Systems
- Washer Fluid Level Indicator
- Windshield Washer Pump
- Windshield Washer Reservoir
- Windshield Washer Switch
- Wiper Arm
- Wiper Blade
- Wiper Control Module
- Wiper Motor
- Wiper Motor Linkage
- Wiper Switch
Description and Operation
Testing and Inspection
- Flow of Diagnosis
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Icons Used With Pinpoint Tests
- A: Windshield Washer Inoperative
- B : Windshield Washer Inoperative
- C : Wipers Are Inoperative
- D : High Wiper Speeds Do Not Operate Correctly
- E: Windshield Wipers Inoperative At Low Speed
- F : Intermittent Wiper Speed Does Not Operate Correctly
- G : Wipers Will Not Park At the Correct Position
- H - Wipers Run With Switch Off
- Component Tests and General Diagnostics
Diagrams
Technical Service Bulletins
- Application and ID
Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Component Tests and General Diagnostics
Locations
Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Exploded Views
- Connector Views
- C102 - C185
- C202 - C294
- C307 - C900
- C1012 - C2029
- Air Bag Control Module
- Air Door Actuator / Motor, HVAC
- Air Flow Meter/Sensor
- Alarm Module, (Vehicle Antitheft)
- Ambient Light Sensor
- Amplifier, Sound System
- Antilock Brakes / Traction Control Systems
- Backup Lamp Switch
- Brake Light Switch
- Brake Switch (Cruise Control)
- CD Changer
- Control Module HVAC
- Cruise Control Servo
- Data Link Connector
- Daytime Running Lamp Control Unit
- Diagnostic Connector, Suspension
- Diagnostic Connector, Steering
- Engine Control Module
- Fuel Tank Unit
- Hazard Warning Switch
- Headlamp Dimmer Switch
- Headlamp Switch
- Heated Glass Element Switch
- Ignition Switch
- Instrument Panel, Gauges and Warning Indicators
- Interior Lighting Module
- Keyless Entry Key-Pad
- Lamp Control Module
- Mirrors
- Multiple Junction Connector
- Neutral Safety Switch
- Oxygen Sensor
- Power Door Lock Control Module
- Power Door Lock Switch
- Power Seat Control Module
- Power Seat Motor
- Power Seat Switch
- Power Window Control Module
- Power Window Switch
- Radio/Stereo
- Relay Box
- Steering Control Module
- Suspension Control Module
- Transmission Control Systems
- Transmission Mode Switch, A/T
- Transmission Position Sensor/Switch, A/T
- Transmission Speed Sensor, A/T
- Turn Signal Switch
- Wiper Control Module
- Wiper Motor
- Electrical Diagrams
- Power and Ground Distribution
- Accessories and Optional Equipment
- Air Bag Systems
- Antilock Brakes / Traction Control Systems
- Charging System
- Cooling System
- Cruise Control
- Heated Glass Element
- Heating and Air Conditioning
- Instrument Panel, Gauges and Warning Indicators
- Keyless Entry
- Lighting and Horns
- Mirrors
- Power Locks
- Powertrain Management
- Seats
- Shift Interlock, A/T
- Starting System
- Steering
- Suspension Control ( Automatic - Electronic )
- Transmission Control Systems
- Trunk / Liftgate
- Windows
- Wiper and Washer Systems
- Mechanical Diagrams
- Vacuum and Vapor Hose Diagrams
- Components
- Connectors
- Grounds
- Splices
Specifications
- Electrical Specifications
- Mechanical Specifications
- Accelerator Pedal
- Accumulator HVAC
- Air Bag
- Air Bag Control Module
- Air Flow Meter/Sensor
- Alignment
- Alternator
- Antenna
- Battery Cable
- Body and Frame
- Brakes and Traction Control
- System Specifications
- Brake Caliper
- Brake Hose/Line
- Brake Master Cylinder
- Brake Pad
- Brake Pedal Assy
- Brake Proportioning/Combination Valve
- Brake Rotor/Disc
- Electronic Brake Control Module
- Hydraulic Control Assembly - Antilock Brakes
- Parking Brake Cable
- Parking Brake Control
- Parking Brake Lever
- Parking Brake Release Motor
- Power Brake Assist
- Wheel Speed Sensor
- Camshaft Position Sensor
- Canister Purge Control Valve
- Clock
- Compressor Fitting HVAC
- Compressor HVAC
- Condenser HVAC
- Coolant Temperature Sensor/Switch (For Computer)
- Cooling System
- Coupler HVAC
- Crankshaft Position Sensor
- Cruise Control Servo
- Cruise Control Servo Cable
- EGR Electronic Vacuum Regulator Solenoid
- EGR Valve
- Engine
- System Specifications
- Camshaft Bearing
- Camshaft Gear/Sprocket
- Camshaft, Engine
- Cylinder Block Assembly
- Cylinder Head Assembly
- Drive Belts, Mounts, Brackets and Accessories
- Engine Oil Dip Stick - Dip Stick Tube
- Intake Manifold
- Lifter / Lash Adjuster, Valve
- Oil Filter Adapter
- Oil Pan, Engine
- Oil Pump, Engine
- Timing Components
- Engine Control Module
- Engine Temperature Sensor
- Evaporative Emission Control Canister
- Exhaust System
- Expansion Block/Orifice Tube
- Firing Order
- Fuel Filler Hose
- Fuel Filter
- Fuel Injector Wiring Harness
- Fuel Pump
- Fuel Rail
- Fuel Supply Line
- High Pressure Safety Valve HVAC
- Idle Speed
- Idle Speed/Throttle Actuator - Electronic
- Idler Arm
- Ignition Switch
- Impact Sensor
- Inertia Fuel Shutoff Switch
- Instrument Cluster / Carrier
- Knock Sensor
- Lighting and Horns
- Maintenance
- Oxygen Sensor
- Pitman Arm
- Power Steering Line/Hose
- Power Steering Pressure Control Valve
- Power Steering Pump
- Pressure Feedback Exhaust Sensor, EGR
- Refrigerant Pressure Sensor / Switch, HVAC
- Seat Belt
- Seat Belt Height Adjuster
- Seat Belt Retractor
- Spark Plug
- Starter Motor
- Starter Solenoid
- Steering Angle Sensor
- Steering Column
- Steering Gear
- Steering Shaft
- Steering Wheel
- Suspension
- Throttle Body
- Throttle Cable/Linkage
- Tie Rod End
- Tires
- Transmission and Drivetrain
- System Specifications
- Automatic Transmission/Transaxle
- System Specifications
- Band, A/T
- Clutch, A/T
- Extension Housing, A/T
- Fluid Line/Hose, A/T
- Fluid Pan, A/T
- Fluid Pump, A/T
- Shift Interlock Solenoid
- Shift Linkage, A/T
- Shifter A/T
- Torque Converter
- Torque Converter Clutch Solenoid, A/T
- Transmission Cooler, A/T
- Transmission Mount, A/T
- Transmission Position Sensor/Switch, A/T
- Transmission Pressure Test Port, A/T
- Transmission Speed Sensor, A/T
- Valve Body, A/T
- Differential Assembly
- Drive/Propeller Shaft
- Flex Plate
- Vehicle Speed Sensor
- Wheel Stud / Lug Nut
- Wheels
- Windows
- Wiper Arm
- Wiper Motor
- Pressure, Vacuum and Temperature Specifications
- Capacity Specifications
- Fluid Type Specifications
Technical Service Bulletins
Tools and Equipment
Diagnostic Trouble Codes