Air Bag Control Module: Service and Repair

Restraints Control Module (RCM)






Removal

WARNING: If a vehicle has heen in a crash, inspect the restraints control module (RCM) and the impact sensor (if equipped) mounting areas for deformation. If damaged, restore the mounting areas to the original production configuration. A new RCM and sensors must he installed whether or not the air bags have deployed. Failure to follow these instructions may result in serious personal injury or death in a crash.

WARNING: Do not handle, move or change the original horizontal mounting position of the restraints control module (RCM) while the RCM is connected and the ignition switch is ON. Failure to follow this instruction may result in the accidental deployment of the Safety Canopy and cause serious personal injury or death.

WARNING: To reduce the risk of accidental deployment, do not use any memory saver devices. Failure to follow this instruction may result in serious personal injury or death.

NOTICE: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage can result.

NOTE: When installing a new RCM always make sure the correct RCM is being installed. If an incorrect RCM is installed, DTCs will be set.

NOTE: The air bag warning indicator illuminates when the correct RCM fuse is removed and the ignition is ON.

NOTE: The Supplemental Restraint System (SRS) must be fully operational and free of faults before releasing the vehicle to the customer.

NOTE: Repair is made by installing a new part only. If the new part does not correct the condition, install the original part and carry out the diagnostic procedure again.

1. When installing a new RCM, carry out the appropriate steps necessary for the Programmable Module Installation (PMI) procedure. Programming and Relearning

2. Depower the SRS.
3. Remove the center console.
4. Disconnect the small RCM electrical connector.
5. Disconnect the large RCM electrical connector.

1. Pinch the thumb tab and pivot the connector position assurance lever all the way back until it stops
2. Pull out and disconnect the RCM electrical connector.






6. Remove the 3 RCM bolts.
7. Remove the RCM.

Installation

1. Position the RCM.
2. WARNING: Always tighten the fasteners of the restraints control module (RCM) and impact sensor (if equipped) to the specified torque. Failure to do so may result in incorrect restraint system operation, which increases the risk of personal injury or death in a crash.

Install the RCM bolts.
To install, tighten to 12 Nm (9 lb-ft).

3. Make sure the connector position assurance lever is in the full release position before attempting to connect the connector.






4. NOTICE: Placing the large Restraints Control Module (RCM) electrical wiring connector into the RCM on an angle, may cause had electrical connections and damaged components.

Position the large RCM electrical connector into the RCM.

NOTICE: Do not push the co'iiiector to the point where the lever pivots and seats itself Light pressure is needed to get the connector into position on the Restraints Control Module (RCM), hefore using the lever to fully seat the connector. Failure to follow these instructions may cause component or connector damage.

With the large RCM electrical connector uniformly aligned to the RCM, lightly push in until a subtle audible click is heard and slight resistance is felt.






5. Connect the RCM electrical connector.

Pivot the connector position assurance lever toward the RCM, drawing the connector in to the RCM.
Make sure the thumb tab is engaged to the retainer on the RCM and locked in place.






6. Connect the small RCM electrical connector.
7. Install the center console.
8. Repower the SRS.
9. If a new RCM was installed, carry out the appropriate steps to complete the Programmable Module Installation (PMI) procedure. Programming and Relearning