Air Bag Control Module: Service and Repair

Inflatable Restraint Sensing and Diagnostic Module Replacement

Removal Procedure

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.

Caution: 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.

1. Disable the SIR system. Refer to SIR Disabling and Enabling.




2. Remove the console in order to access the sensing and diagnostic module (SDM) (1).
3. Remove the under seat duct.
4. Remove the SDM electrical connectors.
5. Remove the 3 SDM fasteners (2).
6. Remove the SDM assembly (1) from the vehicle.

Installation Procedure




1. Install the SDM assembly (1) into the vehicle, taking care to ensure that the connectors are pointing toward the rear of the vehicle.

Notice: Refer to Fastener Notice.

2. Install the 3 SDM fasteners (2).

Tighten the fasteners to 17.5 N.m (13 lb ft).

3. Install the SDM electrical connectors.
4. Install the under seat duct.
5. Install the center console and then install the rear console. Refer to Front Floor Console Replacement.
6. Enable the SIR system. Refer to SIR Disabling and Enabling.
7. Refer to Control Module References for programming and setup information.