Test 1A: Identifying System Problems
NOTE:
Prior to performing any air bag system test, go to PRETEST INSPECTION & DIAGNOSTIC PROCEDURE
under DIAGNOSTICS. Perform TEST VER-1: AIR BAG VERIFICATION TEST
after all repairs unless otherwise directed.
- Using DRB, read and record both active and stored DTCs. If any of following DTCs (active or stored) are present, replace ACM. See AIR BAG CONTROL MODULE (ACM)
under DESCRIPTION & OPERATION. After installing NEW ACM, use DRB to erase DTCs. If other DTCs are active or stored, go to next step.
- ACM ACCELEROMETER
- ACM FIRING STORED ENERGY 1
- ACM INTERNAL 1
- ACM STORED LOGIC ENERGY
- ACM NO PCI TRANSMISSION (active only)
- ACM OUTPUT CIRCUIT
- ACM SAFING SENSOR
- If any of following DTCs (active or stored) are present, replace Left Side Impact Air Bag Control Module (SIACM). See SIDE AIR BAG MODULE
under REMOVAL & INSTALLATION. After installing NEW SIACM, use DRB to erase DTCs. If other DTCs are active or stored, go to next step. If other DTCs are stored, go to next step.
- LEFT SIACM ACCELEROMETER 1
- LEFT SIACM ACCELEROMETER 2
- LEFT SIACM INTERNAL 1
- LEFT SIACM OUTPUT DRIVER 1
- LEFT SIACM, LOSS OF IGNITION RUN-START (active only)
- LEFT SIACM, NO PCI TRANSMISSION (active only)
- If any of following DTCs (active or stored) are present, replace Right Side Impact Air Bag Control Module (SIACM). See SIDE AIR BAG MODULE
under REMOVAL & INSTALLATION. After installing NEW SIACM, use DRB to erase DTCs. If other DTCs are active or stored, go to next step.
- RIGHT SIACM ACCELEROMETER 1
- RIGHT SIACM ACCELEROMETER 2
- RIGHT SIACM INTERNAL 1
- RIGHT SIACM OUTPUT DRIVER 1
- RIGHT SIACM, LOSS OF IGNITION RUN-START (active DTC only)
- RIGHT SIACM, NO PCI TRANSMISSION (active DTC only)
- If any of following stored DTCs are present, go to TEST 1B: REPAIRING STORED CODES
. If active DTCs are present perform appropriate test. See ACTIVE DIAGNOSTIC TROUBLE CODES (DTCS)
table.
- ACM, CALIBRATION MISMATCH
- ACM, LOSS OF IGNITION RUN-START
- ACM, NO CLUSTER MESSAGE
- ACM, NO PCI TRANSMISSION
- ACM, DRIVER SQUIB CIRCUIT OPEN
- ACM, DRIVER SQUIB CIRCUIT SHORT
- ACM, DRIVER SQUIB CIRCUIT SHORT TO BATTERY
- ACM, DRIVER SQUIB CIRCUIT SHORT TO GROUND
- ACM, PASSENGER SQUIB CIRCUIT OPEN
- ACM, PASSENGER SQUIB CIRCUIT SHORT
- ACM, PASSENGER SQUIB CIRCUIT SHORT TO BATTERY
- ACM, PASSENGER SQUIB CIRCUIT SHORT TO GROUND
- ACM, WARNING INDCATOR CIRCUIT OPEN
- ACM, WARNING INDCATOR CIRCUIT SHORT
- LEFT SIACM, NO PCI TRANSMISSION
- LEFT SIACM, SEAT SQUIB CIRCUIT OPEN
- LEFT SIACM, SEAT SQUIB CIRCUIT SHORT
- LEFT SIACM, SEAT SQUIB CIRCUIT SHORT TO BATTERY
- LEFT SIACM, SEAT SQUIB CIRCUIT SHORT TO GROUND
- ACM, INTERROGATE LEFT SIACM
- ACM, NO LEFT SIACM MESSAGE
- RIGHT SIACM, NO PCI TRANSMISSION
- RIGHT SIACM, SEAT SQUIB CIRCUIT OPEN
- RIGHT SIACM, SEAT SQUIB CIRCUIT SHORT
- RIGHT SIACM, SEAT SQUIB CIRCUIT SHORT TO BATTERY
- RIGHT SIACM, SEAT SQUIB CIRCUIT SHORT TO GROUND
- ACM, INTERROGATE RIGHT SIACM
- ACM, NO RIGHT SIACM MESSAGE
ACTIVE DIAGNOSTIC TROUBLE CODES (DTCS)
| DRB Fault Message | Go To Test |
|---|---|
| ACM LOSS OF IGNITION RUN ONLY | TEST 2A |
| ACM LOSS OF IGNITION RUN-START | TEST 3A |
| LEFT SIACM, SEAT SQUIB CIRCUIT OPEN | TEST 4A |
| LEFT SIACM, SEAT SQUIB CIRCUIT SHORT | TEST 5A |
| LEFT SIACM, SEAT SQUIB CIRCUIT SHORT TO BATTERY | TEST 6A |
| LEFT SIACM, SEAT SQUIB CIRCUIT SHORT TO GROUND | TEST 7A |
| ACM, CLUSTER MESSAGE MISMATCH | TEST 8A |
| ACM. DRIVER SQUIB CIRCUIT OPEN | TEST 9A |
| ACM. DRIVER SQUIB CIRCUIT SHORT | TEST 10A |
| ACM. DRIVER SQUIB CIRCUIT SHORT TO BATTERY | TEST 11A |
| ACM. DRIVER SQUIB CIRCUIT SHORT TO GROUND | TEST 12A |
| ACM, INTERROGATE LEFT SIACM | TEST 13A |
| ACM, INTERROGATE RIGHT SIACM | TEST 14A |
| ACM, NO CLUSTER MESSAGE | TEST 15A |
| ACM, NO LEFT SIACM MESSAGE | TEST 16A |
| ACM, NOT RIGHT SIACM MESSAGE | TEST 17A |
| ACM, NOT CONFIGURED FOR SAB (ACTIVE) | TEST 18A |
| ACM, NOT CONFIGURED FOR SAB (STORED) | TEST 19A |
| ACM. PASSENGER SQUIB CIRCUIT OPEN | TEST 20A |
| ACM. PASSENGER SQUIB CIRCUIT SHORT | TEST 21A |
| ACM. PASSENGER SQUIB CIRCUIT SHORT TO BATTERY | TEST 22A |
| ACM. PASSENGER SQUIB CIRCUIT SHORT TO GROUND | TEST 23A |
| ACM, WARNING INDICATOR CIRCUIT OPEN | TEST 24A |
| ACM, WARNING INDICATOR CIRCUIT SHORT | TEST 24A |
| RIGHT SIACM, SEAT SQUIB CIRCUIT OPEN | TEST 25A |
| RIGHT SIACM, SEAT SQUIB CIRCUIT SHORT | TEST 26A |
| RIGHT SIACM, SEAT SQUIB CIRCUIT SHORT TO BATTERY | TEST 27A |
| RIGHT SIACM, SEAT SQUIB CIRCUIT SHORT TO GROUND | TEST 28A |
| AIR BAG WARNING LIGHT ON WITHOUT TROUBLE CODES | TEST 29A |