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Home >> Mercury >> 2011 >> Milan AWD V6-3.0L >> Repair and Diagnosis >> Restraints and Safety Systems >> Relays and Modules - Restraints and Safety Systems >> Air Bag Control Module >> Service and Repair

Air Bag Control Module: Service and Repair




Restraints Control Module (RCM)













Removal

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(R) and cause serious personal injury or death.

WARNING: If a vehicle has been 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 be 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.

NOTICE: When installing a new Restraints Control Module (RCM), it is necessary to carry out Programmable Module Installation (PMI). System failure may occur if PMI is not performed. For additional information, refer to Module Configuration [1][2]Initial Inspection and Diagnostic Overview. Programmable Module Installation (PMI)

NOTE: The air bag warning indicator illuminates when the correct Restraints Control Module (RCM) fuse is removed and the ignition is ON.

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

NOTE: Carrying out Programmable Module Installation (PMI) will not enable the 911 assist option that is disabled. The RCM and Accessory Protocol Interface Module (APIM) must be configured correctly to fully support 911 assist functionality.

NOTE: This vehicle is equipped with the SYNC(R) V2 feature which contains the 911 assist option. Refer to the Owners' Literature.

NOTE: Always make sure the correct SRS component is being installed. Parts released for other vehicles may not be compatible even if they appear physically similar. Check the part number listed in the Master Parts Catalog to make sure the correct component is being installed. If an incorrect SRS component is installed, DTCs may set.

1. If installing a new RCM, carry out the steps necessary to prepare for Programmable Module Installation (PMI). For additional information, refer to Module Configuration [1][2]Initial Inspection and Diagnostic Overview.

2. Depower the SRS. For additional information, refer to Supplemental Restraint System (SRS) Depowering and Repowering Supplemental Restraint System (SRS) Depowering and Repowering in the General Procedures.

3. Remove the 2 RH RCM bolts.
- Position the carpet back at the RH side of the center tunnel area under the instrument panel and remove the 2 bolts.

4. Disconnect the large RCM connector.

1. Pinch the thumb tab and pivot the Connector Position Assurance (CPA) lever back.

2. Disconnect the RCM connector.





5. Remove the RCM.

1. Disconnect the small RCM connector.

2. Remove the LH bolt.

3. Remove the RCM.





Installation

1. 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.

Position the RCM.

- Install the 2 RH RCM bolts.
- Tighten to 12 Nm (106 lb-in).

- Position the carpet back at the RH side of the center tunnel area under the instrument panel.

2. Install the RCM.
- Install the LH RCM bolt.
- Tighten to 12 Nm (106 lb-in).

3. Connect the small RCM connector.

4. Verify that the CPA lever is positioned back completely (as shown) before connecting the large RCM connector.





5. NOTICE: Placing the large Restraints Control Module (RCM) electrical wiring connector into the RCM on an angle can cause bad electrical connections and damaged components.

Position the large RCM electrical connector into the RCM.

- NOTICE: Do not push the connector such that the Connector Position Assurance (CPA) lever pivots and seats. Use light force to insert the connector into the Restraints Control Module (RCM) before using the CPA lever to lock the connector. Damage to the connector or component may occur.

With the large RCM electrical connector uniformly aligned to the RCM, push in until a slight resistance is felt.





6. Connect the large RCM connector.
- Insert the connector into the RCM.
- Push to lock the CPA lever thumb tab to the RCM.





7. Repower the SRS. For additional information, refer to Supplemental Restraint System (SRS) Depowering and Repowering Supplemental Restraint System (SRS) Depowering and Repowering in the General Procedures.

8. If a new RCM was installed, carry out the appropriate steps necessary to complete PMI. For additional information, refer to Module Configuration [1][2]Initial Inspection and Diagnostic Overview.

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