Body Control Module: Service and Repair
BODY CONTROL/[1][2]CENTRAL TIMER MODULEWARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, SEAT BELT TENSIONER, 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 [1][2]Central Timer Module ([1][2]CTM), use a DRB III 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 CTM using the DRB III scan tool before returning the vehicle to service.
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove the engine cover.
Fig. 2 Central Timer Module Remove/Install:
3. Remove the screws that secure the Central Timer Module (CTM) to the center instrument panel support.
4. Disconnect the instrument panel wire harness connectors from the [1][2]CTM.
5. Remove the [1][2]CTM from the instrument panel.
INSTALLATION
1. Position the Central Timer Module (CTM) to the instrument panel.
Fig. 2 Central Timer Module Remove/Install:
2. Reconnect the instrument panel wire harness connectors to the [1][2]CTM.
3. Install and tighten the screws that secure the [1][2]CTM to the instrument panel support. Tighten the screws to 3 Nm (25 in. lbs.).
4. Reinstall the engine cover.
5. Reconnect the battery negative cable.