Body Control Module: Service and Repair

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

NOTE: Before replacing a high-line/premium version Central Timer Module (CTM), use a DRBIII scan tool to retrieve the current settings for the CTM programmable features. Refer to the appropriate diagnostic information. These settings should be duplicated in the replacement high-line/premium CTM using the DRBIII scan tool before returning the vehicle to service.


REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove the steering column opening cover from the instrument panel.

Fig. 3 Central Timer Module (Base) Remove/Install:

Fig. 4 Central Timer Module (High-Line/Premium) Remove/Install:

3. Remove the two screws that secure the Central Timer Module (CTM) to the bracket on the inboard side of the instrument panel steering column opening or.
4. Pull the CTM into the instrument panel steering column opening far enough to access the instrument panel wire harness connector(s).
5. Disconnect the instrument panel wire harness connector(s) (one connector for the base version CTM, two connectors for the high-line/premium version) from the CTM connector receptacle(s).
6. Remove the CTM from the instrument panel.

INSTALLATION
1. Position the CTM to the inboard side of the instrument panel steering column opening.
2. Reconnect the instrument panel wire harness connector(s) for the CTM (one connector for the base version CTM, two connectors for the high-line/premium version) to the CTM connector receptacle(s) or.
3. Position the CTM to the bracket on the inboard side of the instrument panel steering column opening.
4. Install and tighten the two screws that secure the CTM to the bracket on the inboard side of instrument panel steering column opening. Tighten the screws to 1.6 Nm (15 in. lbs.).
5. Reinstall the steering column opening cover onto the instrument panel.
6. Reconnect the battery negative cable.