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Air Bag Control Module: Service and Repair

REMOVAL
Airbag Control Module

WARNING: 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.

1. Disconnect and isolate the battery negative cable. If either of the airbags has not been deployed, wait two minutes for the system capacitor to discharge before further service.
2. Remove the center floor console from the floor panel transmission tunnel.
3. Remove the console rear duct from the floor panel transmission tunnel. (Refer to HEATING & AIR CONDITIONING/DISTRIBUTION/FLOOR CONSOLE DUCTS - REMOVAL).
4. Remove the three screws that secure the center floor console rear mounting bracket to the floor panel transmission tunnel.
5. Remove the center floor console rear mounting bracket from the floor panel transmission tunnel.

Airbag Control Module Remove/Install:




6. Disconnect the instrument panel floor wire harness connector for the Airbag Control Module (ACM) from the ACM connector receptacle. To disconnect the instrument panel wire harness connector from the ACM:
a. Squeeze the two connector latch tabs between the thumb and forefinger.
b. Pull the connector straight back from the ACM connector receptacle.
7. Remove the three nuts that secure the ACM to the weld-studs on the ACM mounting bracket on the floor panel transmission tunnel.
8. Remove the ACM from the ACM mounting bracket on the floor panel transmission tunnel.

ACM Mounting Bracket

WARNING: 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.

1. Remove the Airbag Control Module (ACM) from the ACM mounting bracket. (Refer to RESTRAINTS/AIRBAG CONTROL MODULE - REMOVAL).

Airbag Control Module Remove/Install:




2. Remove the four screws that secure the ACM mounting bracket to the floor panel transmission tunnel.
3. Remove the ACM mounting bracket from the floor panel transmission tunnel.

INSTALLATION
Airbag Control Module

WARNING: 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.

Airbag Control Module Remove/Install:




1. Carefully position the ACM onto the ACM mounting bracket on the floor panel transmission tunnel. When the ACM is correctly positioned the arrow on the ACM label will be pointed forward in the vehicle.
2. Install and tighten the three nuts that secure the ACM to the weld-studs of the ACM mounting bracket on the floor panel transmission tunnel. Tighten the nuts to 7.3 Nm (65 in.lbs.).
3. Reconnect the instrument panel floor wire harness connector for the ACM to the ACM connector receptacle. Be certain that the connector latches are fully engaged.
4. Position the center floor console rear mounting bracket onto the floor panel transmission tunnel over the ACM.
5. Install and tighten the three screws that secure the center floor console rear mounting bracket to the floor panel transmission tunnel.Tighten the screws to 1.1 Nm (10 in. lbs.).
6. Reinstall the console rear duct onto the floor panel transmission tunnel. (Refer to HEATING AND AIR CONDITIONING/DISTRIBUTION/FLOOR CONSOLE DUCTS - INSTALLATION).
7. Reinstall the center floor console onto the floor panel transmission tunnel.
8. Do not reconnect the battery negative cable at this time. The airbag system verification test procedure should be performed following service of any airbag system component. (Refer to RESTRAINTS - STANDARD PROCEDURE - VERIFICATION TEST).

ACM Mounting Bracket

WARNING: 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.

Airbag Control Module Remove/Install:




1. Position the ACM mounting bracket onto the floor panel transmission tunnel.
2. Install and tighten the four screws that secure the ACM mounting bracket to the floor panel transmission tunnel. Tighten the screws to 12 Nm (106 in.lbs.).
3. Reinstall the ACM onto the ACM mounting bracket. (Refer to RESTRAINTS/AIRBAG CONTROL MODULE - INSTALLATION).