Supplemental Restraint System (SRS) Deactivation and Reactivation

Supplemental Restraint System (SRS) Deactivation and Reactivation






Deactivation

WARNING: Always wear eye protection when servicing a vehicle. Failure to follow this instruction may result in serious personal injury.

WARNING: Always carry or place a live air bag module with the air bag and deployment door/trim cover/tear seam pointed away from the body. Do not set a live air bag module down with the deployment door/trim cover/tear seam face down. Failure to follow these instructions may result in serious personal injury in the event of an accidental deployment.

WARNING: Never probe the electrical connectors on air bag, Safety Canopy(R) or side air curtain modules. Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

WARNING: Never disassemble or tamper with safety belt buckle/retractor pretensioners or adaptive load limiting retractors or probe the electrical connectors. Failure to follow this instruction may result in the accidental deployment of the safety belt pretensioners or adaptive load limiting retractors which increases the risk of 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.

NOTE: The air bag warning indicator illuminates when the correct Restraints Control Module (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.

All vehicles

1. Turn all vehicle accessories OFF.

2. Turn the ignition switch OFF.

3. At the Smart Junction Box (SJB), located below the LH side of the instrument panel, remove the cover and RCM fuse 17 (10A) from the SJB. For additional information, refer to the Wiring Diagram. Diagrams By Number

4. Turn the ignition switch ON and visually monitor the air bag warning indicator for at least 30 seconds. The air bag warning indicator will remain lit continuously (no flashing) if the correct RCM fuse has been removed. If the air bag warning indicator does not remain lit continuously, remove the correct RCM fuse before proceeding.

5. Turn the ignition OFF.

6. WARNING: Always deplete the backup power supply before repairing or installing any new front or side air bag supplemental restraint system (SRS) component and before servicing, removing, installing, adjusting or striking components near the front or side impact sensors or the restraints control module (RCM). Nearby components include doors, instrument panel, console, door latches, strikers, seats and hood latches.

Refer to the Description and Operation portion of Restraint Systems for location of the RCM and impact sensor(s).

To deplete the backup power supply energy, disconnect the battery ground cable and wait at least 1 minute. Be sure to disconnect auxiliary batteries and power supplies (if equipped).

Failure to follow these instructions may result in serious personal injury or death in the event of an accidental deployment.

Disconnect the battery ground cable and wait at least one minute. For additional information, refer to Battery.

7. Remove the 2 driver air bag module bolts (1 shown).





8. Disconnect the 3 driver air bag module electrical connectors and remove the driver air bag module.





9. Open and lower the glove compartment door.

10. Detach the wiring retainer, remove the 4 bolts and passenger air bag module heat shield.





11. NOTE: The canister vent and adaptive tether do not require deactivation.

Disconnect the LH side passenger air bag module electrical connector.





12. Under the rear of the passenger seat, detach the passenger seat side air bag module electrical connector from the seat track bracket. Disengage the passenger seat side air bag module electrical connector locking clip, release the tab and disconnect the passenger seat side air bag module electrical connector.





Explorer and Mountaineer vehicles

13. Release and position aside the passenger side C-pillar trim panel.





14. Disconnect the passenger side Safety Canopy(R) module electrical connector.





15. Release and position aside the driver side C-pillar trim panel.





16. Disconnect the driver side Safety Canopy(R) module electrical connector.





Explorer Sport Trac vehicles

17. Remove the driver and passenger side upper C-pillar trim panels.

18. Disconnect the passenger side Safety Canopy(R) module electrical connector.





19. Disconnect the driver side Safety Canopy(R) module electrical connector.





All vehicles

20. Under driver seat, the rear of the slide and disengage the driver seat side air bag module electrical connector locking clip, release the tab and disconnect the driver seat side air bag module electrical connector.





21. Install the RCM fuse 17 (10A) to the SJB.

22. Connect the battery ground cable. For additional information, refer to Battery.


Reactivation

All vehicles

1. Remove the RCM fuse 17 (10A) from the SJB.

2. Disconnect the battery ground cable and wait at least one minute.

3. Connect the driver seat side air bag module electrical connector and engage the seat side air bag electrical connector locking clip.





Explorer Sport Trac vehicles

4. Connect the driver side Safety Canopy(R) module electrical connector.





5. Connect the passenger side Safety Canopy(R) module electrical connector.





6. Install the driver and passenger upper C-pillar trim panels.

Explorer and Mountaineer vehicles

7. Connect the driver side Safety Canopy(R) module electrical connector.





8. Install the driver side C-pillar trim panel.
- Verify the safety belt retractor operates without excessive effort or binding.





9. Connect the passenger side Safety Canopy(R) module electrical connector.





10. Install the passenger side C-pillar trim panel.
- Verify the safety belt retractor operates without excessive effort or binding.





All vehicles

11. Connect the passenger seat side air bag module electrical connector and engage the seat side air bag electrical connector locking clip. Attach the passenger seat side air bag module electrical connector to the seat track bracket.





12. Connect the LH side passenger air bag module electrical connector.





13. Install the passenger air bag module heat shield and 4 bolts. Attach the wiring retainer.





14. NOTICE: The driver air bag module electrical connectors are unique and cannot be reversed when connected to the driver air bag module. Match the electrical connector key to the keyway in the driver air bag module. Do not force the electrical connectors into the driver air bag module. Damage to the connector or component may occur.

Connect the driver air bag module electrical connectors as noted in removal.





15. Install the 2 driver air bag module bolts (1 shown).
- Tighten to 7 Nm (62 lb-in).





16. Turn the ignition switch from OFF to ON.

17. Install RCM fuse 17 (10A) to the SJB and install the cover.

18. WARNING: Make sure no one is in the vehicle and there is nothing blocking or placed in front of any air bag module when the battery is connected. Failure to follow these instructions may result in serious personal injury in the event of an accidental deployment.

Connect the battery ground cable.

19. Prove out the SRS as follows:

Turn the ignition switch from ON to OFF. Wait 10 seconds, then turn the ignition switch back to ON and visually monitor the air bag warning indicator with the air bag modules installed. The air bag warning indicator will light continuously for approximately 6 seconds and then turn off. If an SRS fault is present, the air bag warning indicator will:
- fail to light.
- remain lit continuously.
- flash at a 5 Hz rate (RCM not configured).

The air bag warning indicator might not light until approximately 30 seconds after the ignition switch has been turned from the OFF to the ON position. This is the time required for the RCM to complete the testing of the SRS. If the air bag warning indicator is inoperative and an SRS fault exists, a chime will sound in a pattern of 5 sets of 5 beeps. If this occurs, the air bag warning indicator and any SRS fault discovered must be diagnosed and repaired.

Clear all continuous DTCs from the RCM and Occupant Classification System Module (OCSM) using a scan tool.