Body Diagnostic Procedures
- Introduction
- Identification Of System
- System Description And Functional Operation
- Notes
- Airbag System
- Audio System
- Body Control Module
- Chime Warning System
- Communication
- Door Ajar System
- Exterior Lighting System
- Relays Controlled By The BCM
- Heating & A/C System
- Instrument Cluster/Gauge Cluster
- Interior Lighting
- Tire Pressure Monitoring System (TPM)
- Power Door Entry System
- Power Windows
- Electrically Heated Systems
- Vehicle Theft Security System
- Using The DRBIII®
- DRBIII® Error Messages
- DRBIII® Does Not Power Up (Blank Screen)
- Display Is Not Visible
- Disclaimers, Safety, Warnings
- Required Tools And Equipment
- Glossary Of Terms
- Diagnostic Information And Procedures
- Airbag - Symptoms
- Symptom List: ACCELEROMETER 1, ACCELEROMETER 2, INTERNAL 1, OUTPUT DRIVER 1, STORED ENERGY FIRING 1
- Symptom List: AIRBAG WARNING INDICATOR OPEN, AIRBAG WARNING INDICATOR SHORT
- Symptom: CLUSTER MESSAGE MISMATCH
- 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 TENSION 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: LOSS OF IGNITION RUN - START
- Symptom: LOSS OF IGNITION RUN ONLY
- Symptom: NO CLUSTER MESSAGE
- Symptom: NO PCI TRANSMISSION
- Symptom: PASSENGER AIRBAG ON - OFF SWITCH OPEN
- Symptom: PASSENGER AIRBAG ON - OFF SWITCH SHORT TO BATTERY
- Symptom: PASSENGER AIRBAG ON - OFF SWITCH SHORT TO GROUND
- Symptom: PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY
- Symptom: PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND
- Symptom: PASSENGER SEAT BELT SWITCH CIRCUIT OPEN
- Symptom: PASSENGER SEAT BELT SWITCH SHORT TO BATTERY
- Symptom: PASSENGER SEAT BELT SWITCH SHORT TO GROUND
- Symptom: PASSENGER SEAT BELT TENSIONER CIRCUIT OPEN
- Symptom: PASSENGER SEAT BELT TENSIONER CIRCUIT SHORT
- Symptom: PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY
- Symptom: PASSENGER SEAT BELT TENSIONER 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
- Symptom: AIRBAG INDICATOR ON WITHOUT ACTIVE TROUBLE CODES
- Audio - Symptoms
- Symptom: ALL OUTPUTS SHORT
- Symptom List:, 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 PLAY FAILURE
- Symptom: CD READ FAILURE
- Symptom: CD TEMPERATURE HIGH
- Symptom: LOW VOLTAGE LEVEL
- Symptom: NO ANTENNA CONNECTION
- Chime - Symptoms
- Communication - Symptoms
- Symptom: ACM MESSAGES NOT RECEIVED
- Symptom: AUDIO MESSAGES NOT RECEIVED
- Symptom: COUNTRY CODE NOT PROGRAMMED
- Symptom: INTERNAL BCM FAILURE
- Symptom: MIC MESSAGES NOT RECEIVED
- Symptom List:, PCI BUS SHORTED TO BATTERY, PCI BUS SHORTED TO GROUND
- Symptom: PCI INTERNAL FAULT
- Symptom: PCM MESSAGES NOT RECEIVED
- Symptom: *NO RESPONSE FROM ACM
- Symptom: *NO RESPONSE FROM BODY CONTROL MODULE
- Symptom: *NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE
- Symptom: *NO RESPONSE FROM HVAC
- Symptom: *NO RESPONSE FROM INSTRUMENT CLUSTER
- Symptom: *NO RESPONSE FROM PCM (PCI BUS)
- Symptom: *NO RESPONSE FROM PCM (SCI ONLY)
- Symptom: *NO RESPONSE FROM RADIO
- Symptom: *NO RESPONSE FROM TIRE PRESSURE MONITOR MODULE
- Symptom: *PCI BUS COMMUNICATION FAILURE
- Door Ajar - Symptoms
- Symptom: *DECKLID AJAR CIRCUIT OPEN
- Symptom: *DECKLID AJAR CIRCUIT SHORTED TO GROUND
- Symptom: *DRIVER DOOR AJAR CIRCUIT OPEN
- Symptom: *DRIVER DOOR AJAR CIRCUIT SHORTED TO GROUND
- Symptom: *HOOD AJAR CIRCUIT OPEN
- Symptom: *HOOD AJAR CIRCUIT SHORTED TO GROUND
- Symptom: *PASSENGER DOOR AJAR CIRCUIT OPEN
- Symptom: *PASSENGER DOOR AJAR CIRCUIT SHORTED TO GROUND
- Electrically Heated Systems - Symptoms
- Exterior Lighting - Symptoms
- Symptom: LEFT FOG LAMP OUTPUT OPEN
- Symptom: LEFT FOG LAMP OUTPUT SHORTED
- Symptom: LEFT HIGH BEAM OUTPUT OPEN
- Symptom: LEFT HIGH BEAM OUTPUT SHORT
- Symptom: LOW BEAM RELAY COIL OUTPUT OPEN/SHORT TO GROUND
- Symptom: LOW BEAM RELAY COIL SHORT TO VOLTAGE
- Symptom: PARK LAMP OUTPUT SHORT
- Symptom: RIGHT FOG LAMP OUTPUT OPEN
- Symptom: RIGHT FOG LAMP OUTPUT SHORTED
- Symptom: RIGHT HIGH BEAM OUTPUT OPEN
- Symptom: RIGHT HIGH BEAM OUTPUT SHORT
- Heating & A/C - Symptoms
- Symptom List: A/C SWITCH FAULT (ACTIVE), CHECKSUM FAILURE (ACTIVE), DEFOG SWITCH FAULT (ACTIVE)
- Symptom List: A/C SWITCH FAULT (STORED), BACKLIGHT DIMMING RX FAILURE (STORED), BLEND OVERCURRENT (STORED), CHECKSUM FAILURE (STORED), DEFOG SWITCH FAULT (STORED), LOOPBACK TEST FAILURE (STORED), MODE 1 OVERCURRENT (STORED), MODE 2 OVERCURRENT (STORED), RECIRC OVERCURRENT (STORED), REFRIGERANT PRESS RX FAILURE (STORED), TX FAILURE (STORED), VIN RX FAILURE (STORED)
- Symptom List: ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE, BLEND CIRCUIT SHORTED TO GROUND, BLEND CIRCUIT SHORTED TO IGN OR BATT, COMMON DRIVER SHORTED TO GROUND, COMMON DRIVER SHORTED TO IGN OR BATT, MODE 1 CIRCUIT SHORTED TO GROUND, MODE 1 CIRCUIT SHORTED TO IGN OR BATT, MODE 2 CIRCUIT SHORTED TO GROUND, MODE 2 CIRCUIT SHORTED TO IGN OR BATT, RECIRC CIRCUIT SHORTED TO GROUND, RECIRC CIRCUIT SHORTED TO IGN OR BATT, SHORT TOO COMPLEX
- Symptom: BACKLIGHT DIMMING RX FAILURE (ACTIVE)
- Symptom List: BLEND CALIBRATION FAULT, MODE 1 CALIBRATION FAULT, MODE 2 CALIBRATION FAULT, RECIRCULATION CALIBRATION FAULT
- Symptom List: BLEND OVERCURRENT (ACTIVE), MODE 1 OVERCURRENT (ACTIVE), MODE 2 OVERCURRENT (ACTIVE), RECIRC OVERCURRENT (ACTIVE)
- Symptom: DEFOG RELAY CONTROL CKT SHORTED TO BATT
- Symptom: LOOPBACK TEST FAILURE (ACTIVE)
- Symptom List: REFRIGERANT PRESSURE RX FAILURE (ACTIVE), VIN RX FAILURE (ACTIVE)
- Symptom: TX FAILURE (ACTIVE)
- Symptom: *A/C - HEATER CONTROL ILLUMINATION INOPERATIVE
- Symptom: *BLEND/MODE/RECIRC DOOR OPERATION IMPROPER
- Symptom: *BLOWER MOTOR INOPERATIVE
- Symptom: *BLOWER MOTOR SPEEDS INCORRECT
- Symptom: *EBL STATUS INDICATOR FLASHING
- Symptom: *HVAC SYSTEM TEST
- Ignition, Power, Accessory - Symptoms
- Symptom: BCM - ACCESSORY RELAY CONTROL CIRCUIT OPEN
- Symptom: BCM - ACCESSORY RELAY CONTROL CIRCUIT SHORT TO GROUND
- Symptom: BCM - IGNITION MUX SWITCH INPUT MISMATCH
- Symptom: BCM - IGNITION MUX SWITCH INPUT OPEN
- Symptom: BCM - IGNITION MUX SWITCH INPUT SHORT
- Symptom: BCM - IGNITION RUN 1 SHORT
- Symptom: BCM - IGNITION RUN 2 SHORT
- Symptom: BCM - IOD OUTPUT CIRCUIT SHORT TO GROUND
- Symptom: BCM - IOD WAKE UP CLUSTER OUTPUT OPEN/SHORT TO GROUND
- Symptom: BCM - IOD WAKE UP CLUSTER OUTPUT SHORT TO VOLTAGE
- Symptom: BCM - RUN/START HARDWIRE INPUT MISMATCH
- Symptom: HORN RELAY COIL OPEN/SHORT TO GROUND
- Symptom: HORN RELAY COIL SHORT TO BATTERY
- Symptom: HORN SWITCH STUCK
- Symptom: *HORNS INOPERATIVE
- Instrument Cluster - Symptoms
- Symptom List: ABS LAMP CIRCUIT OPEN, ABS LAMP CIRCUIT SHORTED, AIRBAG LAMP CIRCUIT OPEN, AIRBAG LAMP CIRCUIT SHORTED
- Symptom: ABS MESSAGES NOT RECEIVED
- Symptom: BCM - FUEL LEVEL SENDING UNIT INPUT OPEN/SHORTED TO VOLTAGE
- Symptom: BCM - FUEL LEVEL SENDING UNIT INPUT SHORT TO GROUND
- Symptom: BCM - PWM DIMMING OUTPUT SHORT
- Symptom: BCM MESSAGES NOT RECEIVED
- Symptom: EEPROM CHECKSUM FAILURE
- Symptom: ORC MESSAGES NOT RECEIVED
- Symptom: PCM MESSAGES NOT RECEIVED
- Symptom: *GAUGE CLUSTER DIAGNOSTIC TEST
- Symptom: *INSTRUMENT CLUSTER DIAGNOSTIC TEST
- Interior Lighting - Symptoms
- Power Door Locks/RKE - Symptoms
- Symptom: DECKLID RELEASE OUTPUT OPEN
- Symptom: DECKLID RELEASE OUTPUT SHORT TO GROUND
- Symptom: DRIVER CYLINDER UNLOCK SWITCH OPEN OR SHORT TO VOLTAGE
- Symptom: DRIVER CYLINDER UNLOCK SWITCH SHORT TO GROUND
- Symptom: DRIVER CYLINDER UNLOCK SWITCH STUCK
- Symptom: DRIVER DOOR LOCK CIRCUIT SHORT TO GROUND
- Symptom: DRIVER DOOR LOCK SWITCH STUCK
- Symptom: DRIVER DOOR UNLATCH CIRCUIT SHORT TO GROUND
- Symptom: DRIVER EXTERIOR DOOR HANDLE SWITCH STUCK
- Symptom: DRIVER INTERIOR DOOR HANDLE SWITCH STUCK
- Symptom: PASSENGER DOOR LOCK CIRCUIT SHORT TO GROUND
- Symptom: PASSENGER DOOR LOCK SWITCH STUCK
- Symptom: PASSENGER DOOR UNLATCH CIRCUIT SHORT TO GROUND
- Symptom: PASSENGER EXTERIOR DOOR HANDLE SWITCH STUCK
- Symptom: PASSENGER INTERIOR DOOR HANDLE SWITCH STUCK
- Symptom: PASSENGER/DRIVER DOOR UNLATCH RETURN SHORT TO GROUND
- Symptom: RKE PROGRAM LINE OUTPUT OPEN/SHORT TO GROUND
- Symptom: RKE PROGRAM LINE OUTPUT SHORT TO BATTERY
- Symptom: *ALL DOOR SWITCHES INOPERATIVE
- Symptom: *DRIVER DOOR SWITCH OR SWITCHES INOPERATIVE
- Symptom: *DRIVER DOOR UNLATCH INOPERATIVE
- Symptom: *PASSENGER DOOR SWITCH OR SWITCHES INOPERATIVE
- Symptom: *PASSENGER DOOR UNLATCH INOPERATIVE
- Symptom: *REMOTE KEYLESS ENTRY PROBLEM
- Power Windows - Symptoms
- Symptom: DRIVER WINDOW DOWN OUTPUT SHORT TO GROUND
- Symptom: DRIVER WINDOW HALL EFFECT FAILURE
- Symptom: DRIVER WINDOW SWITCH OPEN/SHORT TO VOLTAGE
- Symptom: DRIVER WINDOW SWITCH SHORT TO GROUND
- Symptom: DRIVER WINDOW SWITCH STUCK DOWN
- Symptom: DRIVER WINDOW SWITCH STUCK UP
- Symptom: DRIVER WINDOW UP OUTPUT SHORT TO GROUND
- Symptom: PASSENGER WINDOW DOWN RELAY COIL OPEN/SHORT TO GROUND
- Symptom: PASSENGER WINDOW DOWN RELAY COIL SHORT TO BATTERY
- Symptom: PASSENGER WINDOW HALL EFFECT FAILURE
- Symptom: PASSENGER WINDOW SWITCH OPEN/SHORT TO VOLTAGE
- Symptom: PASSENGER WINDOW SWITCH SHORT TO GROUND
- Symptom: PASSENGER WINDOW SWITCH STUCK DOWN
- Symptom: PASSENGER WINDOW SWITCH STUCK UP
- Symptom: PASSENGER WINDOW UP SHORT TO GROUND
- Symptom: *DRIVER WINDOW INOPERATIVE
- Symptom: *PASSENGER WINDOW INOPERATIVE
- Tire Pressure Monitoring - Symptoms
- Symptom: CRITICAL TIRE PRESSURE - BCM
- Symptom List: LEFT FRONT TIRE PRESSURE SENSOR/TRANSMITTER - TPM, LEFT REAR TIRE PRESSURE SENSOR/TRANSMITTER - TPM, RIGHT FRONT TIRE PRESSURE SENSOR/TRANSMITTER - TPM, RIGHT REAR TIRE PRESSURE SENSOR/TRANSMITTER - TPM
- Symptom List: LEFT FRONT TIRE PRESSURE SENSOR/TRANSMITTER LOW BATTERY - TPM, LEFT REAR TIRE PRESSURE SENSOR/TRANSMITTER LOW BATTERY - TPM, RIGHT FRONT TIRE PRESSURE SENSOR/TRANSMITTER LOW BATTERY - TPM, RIGHT REAR TIRE PRESSURE SENSOR/TRANSMITTER LOW BATTERY - TPM
- Symptom: TIRE PRESSURE LOW - BCM
- Symptom: TIRE PRESSURE MONITOR MODULE FAILURE - TPM
- Symptom: TPM DIAGNOSTIC - BCM
- Symptom: TPM MODULE INITIALIZED - BCM
- Symptom: *LO TIRE LCD MESSAGE FLASHING
- Vehicle Theft/Security - Symptoms
- Symptom: VTSS INDICATOR OUTPUT OPEN
- Symptom: VTSS INDICATOR OUTPUT SHORT
- Symptom: *ALARM TRIPS ON ITS OWN
- Symptom: *DECKLID DOES NOT TRIP VTSS
- Symptom: *DRIVER DOOR DOES NOT TRIP VTSS
- Symptom: *EXTERIOR LAMPS FAIL TO FLASH WHEN ALARM IS TRIPPED
- Symptom: *HOOD DOES NOT TRIP VTSS
- Symptom: *HORN FAILS TO SOUND WHEN ALARM IS TRIPPED
- Symptom: *PASSENGER DOOR DOES NOT TRIP VTSS
- Symptom: *VTSS LAMP ON STEADY DURING ARMING
- Symptom: *VTSS WILL NOT ARM
- Airbag - Symptoms
- Verification Tests
- Component Locations
- Connector PINOUTS
- Connector PINOUTS
- Schematic Diagrams