Air Bag Control Module: Service and Repair

Inflatable Restraint Sensing and Diagnostic Module Replacement

Removal Procedure






Caution: Refer to Sensing and Diagnostic Module Handling Caution .

Caution: Refer to Restraint System Service Precautions.


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 supplemental inflatable restraints (SIR). Refer to SIR Disabling and Enabling.
2. Remove the floor console.
3. Remove the connector position assurance lock, which is tethered to the SDM connector.
4. Disconnect the SDM electrical connector (2).
5. Remove the SDM mounting bolts (1).
6. Remove the SDM (3).

Installation Procedure




1. Install the SDM (3).

Caution: Be careful when you handle a sensor. Do not strike or jolt a sensor. Before applying power to a sensor:

* Remove any dirt, grease, etc. from the mounting surface.

* Position the sensor horizontally on the mounting surface.

* Point the arrow on the sensor toward the front of the vehicle.

* Tighten all of the sensor fasteners and sensor bracket fasteners to the specified torque value.

Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.

Notice: Refer to Fastener Notice.

Install the SDM mounting bolts (1).

Tighten the SDM mounting bolts to 10 N.m (89 lb in).

2. Connect the SDM electrical connector (2).
3. Install the connector position assurance lock, which is tethered to the SDM connector.
4. Install the floor console.
5. Enable the SIR. Refer to SIR Disabling and Enabling.