Air Bag Control Module: Service and Repair

INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE REPLACEMENT

REMOVAL PROCEDURE
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 9.

CAUTION: Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR system repairs.




2. Remove the front passenger seat.
3. Remove or lift up the carpet from the vehicle.
4. Lifting the carpet and insulation will gain access to the inflatable restraint sensing and diagnostic module (SDM).




5. Remove both wiring harness connectors (3) that link the connector position assurance (CPA) (1) to the SDM.
6. Disconnect both wiring harness connectors (3) from the SDM (2).




7. Remove the SDM mounting fasteners (2).
8. Remove the SDM (1) from the vehicle floor (3).

INSTALLATION PROCEDURE
1. Remove any dirt, grease, or other contaminants from the mounting surface.




2. Install the SDM (1) to the vehicle floor (3).
3. Point the arrow on the SDM toward the front of the vehicle.
4. Install the SDM mounting fasteners (2).

Tighten the fasteners to 9 N.m (80 lb in).

NOTE: Refer to Fastener Notice in Service Precautions.




5. Connect both wiring harness connectors (3) to the SDM (2).
6. Install both wiring harness connectors (3) from the CPA (1) to the SDM.




7. Install the carpet into the vehicle.
8. Install the front passenger seat.
9. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 9.
10. Program the new SDM into the body control module (BCM). Programming and Relearning

IMPORTANT: The AIR BAG indicator may remain ON after the SDM has been replaced. DTC B1001 may set requiring the SDM part number to be set in multiple modules. If the indicator remains ON after enabling the SIR system, perform the diagnostic system check and follow the steps thoroughly to ensure that the SDM is set properly.