Air Bag Control Module: Service and Repair

WARNING: THE ACM CONTAINS AN ACCELEROMETER WHICH ENABLES THE SYSTEM TO DEPLOY THE AIRBAGS. TO AVOID ACCIDENTAL DEPLOYMENT, NEVER CONNECT ACM ELECTRICALLY TO THE SYSTEM WHILE VEHICLE BATTERY IS CONNECTED. BEFORE BEGINNING ANY AIRBAG SYSTEM REMOVAL OR INSTALLATION PROCEDURES, DISCONNECT AND ISOLATE THE BATTERY NEGATIVE REMOTE (GROUND) CABLE. THIS WILL DISABLE THE AIRBAG SYSTEM. FAILURE TO DO THIS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT, AND POSSIBLE PERSONAL INJURY.

Five Passenger Vehicle
REMOVAL

Negative Battery Cable Remote Terminal:

1. Open hood and disconnect the negative battery cable remote terminal from the remote battery post.

NOTE: If working on a Concorde, the Instrument Panel must be removed. Refer to Instrument Panel and Systems for Replacement procedures. Then go to Step 10.

2. Remove one screw to shift knob.
3. Remove two screws to shifter bezel.
4. Disconnect power outlet connector and remove bezel from vehicle.
5. Remove left instrument panel endcap covering junction block.
6. Remove two screws to steering column cover then pull toward rear of vehicle to disengage clips.
7. Open glove box door. Continue to pull down on the door until the glove box drops and you see the screws in the upper and lower left corner or the glove box bin.
8. Pull the right console side panel off.
9. Remove two screws to left console side panel and pull off.
10. With the Airbag Control Module (ACM) now exposed, slide the red Correct Position Assurance (CPA) tab out. Press down on the locking latch and disconnect the ACM 23-way connector.
11. Remove the two side module mounting screws on the drivers side.
12. Loosen the top screw on the drivers side.
13. Lift up the module and slide out the ACM.

NOTE: If the module cannot be lifted out, the passenger side screw needs some additional loosening.

14. Remove the ACM from vehicle.

INSTALLATION

WARNING: THE ACM IS A SAFETY MODULE AND FAILURE TO INSTALL AND SECURE IT PROPERLY, COULD CAUSE THE MODULE TO POSSIBLY MALFUNCTION.

1. Position the ACM (arrow pointing forward in vehicle) on the ACM mounting bracket. The mounting bosses on the module will correctly position the ACM on the bracket. Attach the ACM to the bracket with the three screws supplied and torque to 50 to 70 in.lbs. (5.7 to 7.9 N.m).

CAUTION: USE SUPPLIED SCREWS ONLY.

2. Reverse the above procedures for continued installation.

CAUTION: Do not connect negative battery cable remote terminal. Refer to Airbag System Check for proper procedure.

Six Passenger Vehicle
REMOVAL
1. Open hood and disconnect the negative battery cable remote terminal from the remote battery post.
2. Open glove box door and release side tabs and swing down.

NOTE: If working on a Concorde, the Instrument Panel must be removed. Refer to Instrument Panel and Systems for Replacement procedures. Then go to Step 10.

3. Remove the left endcap at the junction block.
4. Remove two screws to steering column cover then pull toward rear of vehicle to disengage clips.
5. Open glove box door. Continue to pull down on the door until the glove box drops and you see the screws in the upper and lower left corner or the glove box bin.
6. Remove the instrument panel center bezel. The temperature control module, power outlet and traction control switch will pop out with the center bezel.
7. Disconnect the connectors at center bezel.
8. Remove four screws to Chin bezel. Two on the right side and two on the left side of vehicle.
9. Remove one screw and one push fastener retaining floor bin.
10. With the Airbag Control Module (ACM) now exposed, slide the red Correct Position Assurance (CPA) tab out. Press down on the locking latch and disconnect the ACM 23-way connector.
11. Remove the two side module mounting screws on the drivers side.
12. Loosen the top screw on the drivers side.
13. Lift up the module and slide out the ACM.

NOTE: If the module cannot be lifted out, the passenger side screw needs some additional loosening.

14. Remove the ACM from vehicle.

INSTALLATION

WARNING: THE ACM IS A SAFETY MODULE AND FAILURE TO INSTALL AND SECURE IT PROPERLY, COULD CAUSE THE MODULE TO POSSIBLY MALFUNCTION.

1. Position the ACM (arrow pointing forward in vehicle) on the ACM mounting bracket. The mounting bosses on the module will correctly position the ACM on the bracket. Attach the ACM to the bracket with the three screws supplied and torque to 50 to 70 in.lbs. (5.7 to 7.9 N.m).

CAUTION: USE SUPPLIED SCREWS ONLY.

2. Reverse the above procedures for continued installation.

CAUTION: Do not connect negative battery cable remote terminal. Refer to Airbag System Check for proper procedure.