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 4.

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.
- If the vehicle interior is exposed to moisture and becomes soaked up to the level of the sensing and diagnostic module (SDM), the SDM and SDM harness connector must be replaced. The SDM could be activated when powered, which could cause airbag deployment and result in personal injury.
- Refer to SIR Caution in Service Precautions.

2. Remove the accessory trim plate.
3. Remove the heater and A/C control head.
4. Remove the connector position assurance (CPA) from the SDM harness connector.




5. Disconnect the SDM harness connector.




6. Remove the SDM (3) mounting fasteners (2).
7. Remove the SDM from the I/P center support system (1).

INSTALLATION PROCEDURE




1. Remove any dirt, grease, or other impurities from the mounting surface.
2. Install the SDM (3) horizontally to the I/P center support system (1).
3. Point the arrow on the SDM toward the front of the vehicle.
4. Install the SDM mounting fasteners (2).

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten
Tighten the fasteners to 10 N.m (89 lb in).




5. Install the SDM harness connector to the SDM.




6. Install the CPA to the SDM harness connector.
7. Install the heater and A/C control head.
8. Install the accessory trim plate.
9. Enable the SIR system.