Body Diagnostic Procedures
- Introduction
- Identification Of System
- System Description And Functional Operation
- Notes
- Airbag System/Occupant Restraint Controller System
- Audio System
- Body Control Module
- Notes
- Door Ajar System
- Exterior Lighting
- Interior Lighting
- Overhead Console
- Electronic Vehicle Information Center (EVIC)
- Notes
- Vehicle Information Display
- Warning Messages
- Customer Programmable Features:
- Menu Button
- Step Button
- Reset Button
- Compass/Temperature (C/T) Button
- Traveler Display Functions
- Compass Operation
- Setting Magnetic Zone Variance
- Compass Calibration
- Self-Check Diagnostics
- Ambient Temperature Sensor
- Ambient Temperature Sensor Fault Codes
- Ambient Temperature Sensor Test
- HomeLink(R) UNIVERSAL TRANSMITTER
- Electronic Vehicle Information Center (EVIC)
- Power Door Locks/Remote Keyless Entry (RKE)
- Rear Window Defogger
- Vehicle Theft Security System (VTSS)
- Vehicle Theft Security System (VTSS) (Export Only)
- Windshield Wiper System (Front)
- The BCM Is Also Involved In The Following Functions:
- Communication
- Instrument Cluster
- Using The DRBIII(R)
- DRBIII(R) Error Messages And Blank Screen
- Disclaimers, Safety, Warnings
- Required Tools And Equipment
- Glossary Of Terms
- Diagnostic Information And Procedures
- Airbag
- Symptom List: Accelerometer 1, Accelerometer 2, Internal 1, Output Driver 1, SAFING Sensor, Stored Energy Firing 1
- Symptom List: Airbag Warning Indicator Open, Airbag Warning Indicator Short
- Symptom: Cluster Message Mismatch
- Symptom: Configuration Error
- Symptom: Curtain Squib Circuit Open
- Symptom: Curtain Squib Circuit Short
- Symptom: Curtain Squib Short To Battery
- Symptom: Curtain Squib Short To Ground
- Symptom: Driver Seat Belt Switch Circuit Open
- Symptom: Driver Seat Belt Switch Short To Battery
- Symptom: Driver Seat Belt Switch Short To Ground
- Symptom: Driver Seat Belt TENSIONER Circuit Open
- Symptom: Driver Seat Belt TENSIONER Circuit Short
- Symptom: Driver Seat Belt TENSIONER Short To Battery
- Symptom: Driver Seat Belt TENSIONER Short To Ground
- Symptom: Driver Squib 1 Circuit Open
- Symptom: Driver Squib 1 Circuit Short
- Symptom: Driver Squib 1 Short To Battery
- Symptom: Driver Squib 1 Short To Ground
- Symptom: Driver Squib 2 Circuit Open
- Symptom: Driver Squib 2 Circuit Short
- Symptom: Driver Squib 2 Short To Battery
- Symptom: Driver Squib 2 Short To Ground
- Symptom: Interrogate Left SIACM
- Symptom: Interrogate Right SIACM
- Symptom List: Left Front Impact Sensor Internal 1, No Left Front Impact Sensor Communication
- Symptom: Loss Of Ignition Run - Start
- Symptom: Loss Of Ignition Run Only
- Symptom: Module Not Configured For SAB
- Symptom: No Cluster Message
- Symptom: No Left SIACM Message
- Symptom: No PCI Transmission
- Symptom List: No Right Front Impact Sensor Communication, Right Front Impact Sensor Internal 1
- Symptom: No Right SIACM Message
- Symptom List: Passenger Seat Belt Switch Circuit Open, Passenger Seat Belt Switch Short To Battery, Passenger Seat Belt Switch Short To Ground
- Symptom: Passenger Squib 1 Circuit Open
- Symptom: Passenger Squib 1 Circuit Short
- Symptom: Passenger Squib 1 Short To Battery
- Symptom: Passenger Squib 1 Short To Ground
- Symptom: Passenger Squib 2 Circuit Open
- Symptom: Passenger Squib 2 Circuit Short
- Symptom: Passenger Squib 2 Short To Battery
- Symptom: Passenger Squib 2 Short To Ground
- Audio
- Symptom: All Outputs Short - Base Audio System
- Symptom: All Outputs Short - Premium Audio System
- Symptom List: Cassette Player INOP, Cd Mechanical Failure, *Am/Fm Switch Inoperative, *Any Station Preset Switch Inoperative, *Balance Inoperative, *Cd Eject Switch Inoperative, *Equalizer Inoperative, *Fader Inoperative, *Ff/RW Switch Inoperative, *Hour/Minute Switches Inoperative, *Pause/Play Switch Inoperative, *PWR Switch Inoperative, *Scan Switch Inoperative, *Seek Switch Inoperative, *Set Switch Inoperative, *Tape Eject Switch Inoperative, *Time Switch Inoperative, *Tune Switch Inoperative
- Symptom: Cd Changer Mechanical Failure
- Symptom: Cd Changer Read Failure
- Symptom: Cd Changer Temperature High
- Symptom: Cd Play Failure
- Symptom: Cd Read Failure
- Symptom: Cd Temperature High
- Symptom: Low Voltage Level
- Symptom: No Antenna Connection
- Symptom: Power Amp Shutdown - Base Audio System
- Symptom: Power Amp Shutdown - Premium Audio System
- Symptom: *Remote Radio Switches Inoperative (If Equipped)
- Chime
- Communication
- Symptom: Battery IOD Disconnect At BCM
- Symptom: EEPROM Checksum Failure
- Symptom: Flash Checksum Failure
- Symptom: ITM Messages Not Received
- Symptom: Pcm Message Not Received
- Symptom: *No Response From ACM
- Symptom: *No Response From Body Control Module
- Symptom: * No Response From Compass Mini-Trip Computer
- Symptom: *No Response From Controller Antilock Brake
- Symptom: *No Response From ECM (PCI Bus) - Diesel Only
- Symptom: *No Response From ECM (Sci Only) - Diesel Only
- Symptom: *No Response From Instrument Cluster
- Symptom: *No Response From Intrusion Transceiver Module
- Symptom: *No Response From Left SIACM
- Symptom: *No Response From Pcm (PCI Bus)
- Symptom: *No Response From Pcm (Sci Only)
- Symptom: *No Response From Radio
- Symptom: *No Response From Right SIACM
- Symptom: *No Response From Sentry Key Immobilizer Module
- Symptom: *No Response From Transmission Control Module
- Symptom: *PCI Bus Communication Failure
- Compass/Mini-Trip Computer
- Symptom: Bus Messages Missing
- Symptom List: Compass Test Failure, EVIC Internal Failure
- Symptom: No BCM Messages Received
- Symptom: No Pcm Messages Received
- Symptom List: *Any Switch On EVIC Inoperative, *Average Fuel Inoperative Or Wrong, *CMTC Fails To Respond To Instrument Panel Dimming, *Distance To Empty Inoperative Or Wrong, *Elapsed Time Inoperative Or Wrong, *Trip Odometer Inoperative Or Wrong, *Universal Garage Door Opener (UGDO) Inoperative
- Symptom: *EVIC Inoperative
- Symptom: *Temp Display Inoperative Or Wrong
- Door Ajar
- Symptom: *Flip-Up Glass Ajar Circuit Open
- Symptom: *Flip-Up Glass Ajar Circuit Shorted To Ground
- Symptom: *Hood Ajar Circuit Open
- Symptom: *Hood Ajar Circuit Shorted To Ground- Export Only
- Symptom: *Left Front Door Ajar Circuit Open
- Symptom: *Left Front Door Ajar Circuit Shorted To Ground
- Symptom: *Left Rear Door Ajar Circuit Open
- Symptom: *Left Rear Door Ajar Circuit Shorted To Ground
- Symptom: *Right Front Door Ajar Circuit Open
- Symptom: *Right Front Door Ajar Circuit Shorted To Ground
- Symptom: *Right Rear Door Ajar Circuit Open
- Symptom: *Right Rear Door Ajar Circuit Shorted To Ground
- Symptom: *Tailgate Ajar Circuit Open
- Symptom: *Tailgate Ajar Circuit Shorted To Ground
- Electrically Heated Systems
- Exterior Lighting
- Symptom: Front Fog Relay Circuit High
- Symptom: Front Fog Relay Circuit Low
- Symptom: Headlamp Switch Input Circuit High
- Symptom: Headlamp Switch Input Circuit Low
- Symptom: High Beam Relay Circuit High
- Symptom: Low Beam Relay Circuit High
- Symptom: Low Beam Relay Circuit Low
- Symptom: Park Lamp Relay Circuit High
- Symptom: Park Lamp Relay Circuit Low
- Symptom: Rear Fog Relay Circuit High
- Symptom: Rear Fog Relay Circuit Low
- Symptom: *Low Beam Headlamps Inoperative
- Instrument Cluster
- Symptom List: Abs Lamp Circuit Short, Abs Lamp Open, Airbag Lamp Circuit Short, Airbag Lamp Open, Brake Lamp Circuit Open, Brake Lamp Circuit Short, Mil Lamp Circuit Open, Mil Lamp Circuit Short, Seat Belt Lamp Circuit Open, Seat Belt Lamp Circuit Short
- Symptom: Brake Fluid Switch Circuit Open
- Symptom: Cluster Bus Transmit Shutdown
- Symptom: Cluster Wake Up Output High
- Symptom: Cluster Wake Up Output Low
- Symptom: No Abs Bus Messages Received
- Symptom: No BCM Bus Messages Received
- Symptom: No Orc Bus Messages Received
- Symptom: No PCI Bus Messages Received
- Symptom: No Pcm Bus Messages Received
- Symptom: No Skim Bus Messages Received
- Symptom: Tire Size Not Programmed
- Symptom: Vehicle Speed Sensor Failure
- Symptom: *4WD Indicator Inaccurate
- Symptom: *4WD Indicator Inaccurate - Diesel Only
- Symptom: *All Gauges Inoperative
- Symptom: *Any PCI Bus Indicator Inoperative
- Symptom: *Brake Indicator Always On
- Symptom: *Brake Indicator Inoperative
- Symptom: *Fuel Gauge Inaccurate
- Symptom: *Instrument Cluster Inoperative
- Symptom: *Low Coolant Indicator Always On - Diesel Only
- Symptom: *Low Coolant Indicator Inoperative - Diesel Only
- Symptom: *Low Wash Message Not Operating Properly
- Symptom: *One Gauge Inoperative
- Symptom: *Panel Dimming Inoperative
- Symptom: *Seat Belt Indicator Always On
- Symptom: *VTSS Indicator Inoperative
- Interior Lighting
- Power Door Locks/RKE
- Symptom: Door Lock Relay Control Circuit Open Or Short To Ground
- Symptom: Door Lock Relay Control Short To Voltage
- Symptom: Door Lock Switch Open Or Short To Voltage
- Symptom: Door Lock Switch Short To Ground
- Symptom: Door Unlock Relay Control Circuit Open Or Short To Ground
- Symptom: Door Unlock Relay Control Short To Voltage
- Symptom: Driver Door Unlock Relay Control Circuit Open Or Short To Ground
- Symptom: Driver Door Unlock Relay Control Circuit Short To Voltage
- Symptom: Left Cylinder Lock Switch Short To Ground
- Symptom: RKE Key Fob #1 Battery Voltage Low
- Symptom: RKE Key Fob #2 Battery Voltage Low
- Symptom: RKE Key Fob #3 Battery Voltage Low
- Symptom: RKE Key Fob #4 Battery Voltage Low
- Symptom: RKE Unable To Enter Program Mode
- Symptom: Tailgate Cylinder Lock Switch Short To Ground
- Symptom: Tailgate Lock Motor Short To Voltage
- Symptom: *All Doors Fail To Lock
- Symptom: *All Passenger Doors Fail To Lock And Unlock
- Symptom: *All Passenger Doors Fail To Unlock
- Symptom: *Auto Door Locks Inoperative
- Symptom: *Driver Door Fails To Lock And Unlock
- Symptom: *Driver Door Fails To Unlock
- Symptom: *Flip-Up Glass Release Inoperative
- Symptom: *One Passenger Door Fails To Lock And Unlock
- Symptom: *RKE Inoperative
- Symptom: *RKE Range To Short From All Transmitters
- Symptom: *Tailgate Cylinder Lock Switch Inoperative
- Symptom: *Tailgate Lock Inoperative
- Vehicle Theft/Security
- Symptom List: BCM Message Not Received (Export Only), Pre-Arm Time Out Failure (Export Only)
- Symptom: Horn Relay Control Circuit Short To Voltage
- Symptom List: ITM - EEPROM Failure (Export Only), LOOPBACK Failure (Export Only)
- Symptom: ITM - Transducer Failure (Export Only)
- Symptom: ITM - VIN Mismatch (Export Only)
- Symptom List: No Serial Communication (Export Only), Siren Communication Failure (Export Only)
- Symptom: Pcm Message Not Received (Export Only)
- Symptom: Siren Battery Has Been Tampered (Export Only)
- Symptom List: Siren EEPROM Failure (Export Only), Siren Internal Battery (Export Only), Siren ROM Failure (Export Only)
- Symptom: *Alarm Trips On Its Own
- Symptom: *Driver Door Does Not Trip VTSS
- Symptom: *Flip-Up Glass Does Not Trip VTSS
- Symptom: *Hazard Lamps Inoperative With VTSS
- Symptom: *Headlamps Fail To Flash With VTSS
- Symptom: *Hood Does Not Trip VTSS (Export Only)
- Symptom: *Horn Fails To Sound With VTSS
- Symptom: *Intrusion Transceiver Module Sensitivity (Export Only)
- Symptom: *Left Rear Door Does Not Trip VTSS
- Symptom: *Passenger Door Does Not Trip VTSS
- Symptom: *Right Rear Door Does Not Trip VTSS
- Symptom: *Tailgate Does Not Trip VTSS
- Symptom: *VTSS Does Not Disarm With The Left Cylinder Lock Switch
- Symptom: *VTSS Will Not Arm
- Windshield Wiper & Washer
- Symptom: Wiper High/Low Relay Output Circuit High
- Symptom: Wiper High/Low Relay Output Circuit Low
- Symptom: Wiper Mode Switch Circuit High
- Symptom: Wiper Mode Switch Circuit Low
- Symptom: Wiper On/Off Relay Output Circuit High
- Symptom: Wiper On/Off Relay Output Circuit Low
- Symptom: Wiper Park Switch Failure
- Symptom: *Front Washer Pump Inoperative
- Symptom: *Front Wiper Low Speed Inoperative
- Verification Tests
- Airbag
- Component Locations
- Connector PINOUTS
- Fuses
- Relays
- Schematic Diagrams