Test 1A - Identifying System Problems
NOTE:
Due to manufacturer changes in wire colors, use terminal identification whenever possible.
- Ensure battery is fully charged. Connect DRB to data link connector. Using DRB, select PASSIVE RESTRAINTS AIRBAG. If DRB displays a blank screen, go to TEST 1A - VEHICLE COMMUNICATION PROBLEMS under VEHICLE COMMUNICATIONS. If DRB displays NO RESPONSE, go to TEST 10A - NO RESPONSE AIR BAG CONTROL MODULE under VEHICLE COMMUNICATIONS. If DRB is functioning properly, go to next step.
- Using DRB, read both active and stored codes and record them. If any of following codes (active or stored) are present, replace ACM.
- ACM ACCELEROMETER
- ACM OUTPUT DRIVER
- ACM INTERNAL DIAGNOSTIC #1
- ACM INTERNAL DIAGNOSTIC #2
- ACM STORED ENERGY
- With DRB, erase stored codes. If there are no active codes, perform TEST 16A - REPAIRING STORED TROUBLE CODES . If active codes are present perform appropriate test. See DIAGNOSTIC FAULT CODES (MESSAGES) table.
DIAGNOSTIC FAULT CODES (MESSAGES)
| DRB Fault Message | Perform Test |
|---|---|
| ACM & CLUSTER CCD MESSAGE MISMATCH | 2A |
| DRIVER SQUIB CIRCUIT OPEN | 3A |
| DRIVER SQUIB CIRCUIT SHORTED | 4A |
| DRIVER SQUIB TERM SHORTED TO BATTERY | 5A |
| DRIVER SQUIB TERM SHORTED TO GROUND | 6A |
| LOSS OF IGNITION RUN ONLY | 7A |
| LOSS OF IGNITION RUN/START | 8A |
| NO CLUSTER CCD BUS MESSAGE | 9A |
| PASSENGER SQUIB CIRCUIT OPEN | 10A |
| PASSENGER SQUIB CIRCUIT SHORTED | 11A |
| PASSENGER SQUIB TERM SHORTED TO BATTERY | 12A |
| PASSENGER SQUIB TERM SHORTED TO GROUND | 13A |
| WARNING LIGHT CIRCUIT OPEN/SHORTED | 14A |
| NO CCD COMMUNICATION | 17A |
| OUTPUT DRIVER NOT TESTED | 18A |