Air Bag Control Module: Service and Repair

SENSING AND DIAGNOSTIC MODULE (SDM)

REMOVAL PROCEDURE




1. Disconnect the negative battery.
2. Remove the rear console. Refer to Interior Trim.
3. Remove the front console. Refer to Interior Trim.
4. Remove the air duct between the instrument panel and the floor.
5. Disconnect the sensing and diagnostic module (SDM) electrical connector.
6. Remove the SDM mounting bolts and the SDM. Do not disassemble the SDM. It has no serviceable pans.

INSTALLATION PROCEDURE

NOTE: Do not install an SDM that has been dropped or has water damage, dents, cracks, or other visible defects. Attempted use of a defective SDM can result in vehicle damage.




1. Install the SDM with the mounting bolts so that the arrow on the SDM label points toward the front of the vehicle.

Tighten
Tighten the SDM mounting bolts to 14 N.m (10 lb-ft).

2. Connect the SDM electrical connector.




3. Install the air duct between the instrument panel and the floor.
4. Install the front console. Refer to Interior Trim.
5. Install the rear console. Refer to Interior Trim.
6. Connect the negative battery cable.

7. Check for proper operation of the system.
- Turn the ignition ON while watching the supplemental inflatable restraints warning lamp.
- The warning lamp should turn ON for approximately 4 seconds, and then turn OFF.