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Supplemental Restraint System (SRS) Repowering

For information on Ford Color Coded Illustrations refer to OEM COLOR CODING

Repower 

WARNING: Incorrect repair techniques or actions can cause an accidental Supplemental Restraint System (SRS) deployment. Never compromise or depart from these instructions. Failure to precisely follow all instructions could result in serious personal injury from an accidental deployment.
WARNING: Before installing a Safety Canopy or side air curtain assembly, inspect the roofline for any damage. If necessary, the sheet metal must be reworked to its original condition and structural integrity. Install new fasteners if damaged and remove foreign material. Failure to follow these instructions may result in the Safety Canopy or side air curtain deploying incorrectly, which increases the risk of serious personal injury or death in a crash.
NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
  1. WARNING: Before beginning any service procedure in this manual, refer to health and safety warnings in GENERAL INFORMATION . Failure to follow this instruction may result in serious personal injury.

    Refer to: HEALTH AND SAFETY PRECAUTIONS .

    No SRS Fault Present At Beginning of Repair 

  2. Prove out the SRS : Verify all airbags are installed and connected and the ignition is OFF. Wait 10 seconds then turn the ignition ON and monitor the airbag warning indicator. The airbag warning indicator illuminates continuously for approximately 6 seconds and turns off. Continue to monitor the airbag warning indicator for approximately 30 seconds as this is the time required for the RCM to complete testing of the SRS.
    • If the airbag warning indicator either fails to light, remains lit continuously or flashes, an SRS fault is present. The flashing may not occur until approximately 30 seconds after the ignition has been turned from OFF to ON. If this occurs, diagnose and repair any SRS faults before proceeding.

    • If the airbag warning indicator is inoperative and a SRS fault exists, a chime sounds in a pattern of 5 sets of 5 beeps or a message displays in the message center. If this occurs, diagnose and repair the airbag warning indicator and any SRS faults before proceeding.

    • If after the ignition has been turned ON for 30 seconds the airbag warning indicator remains unlit with no chime or SRS message displayed in the message center, no SRS fault is present.

    SRS Fault Present At Beginning of Repair 

  4. Verify the ignition is OFF.
  5. Reinstall the BCM power fuse(s) into the appropriate fuse panel/junction box. Refer to Wiring Diagram Cell 11 for fuse and relay information.
  6. Connect the battery. Refer to: BATTERY DISCONNECT AND CONNECT .
  7. Sit in the driver seat in an upright position. Make sure no objects are between you and any pyrotechnic device. Move the driver seat to the rearmost position to maintain the maximum possible distance from the driver airbag.
  8. Prove out the SRS : Verify all airbags are installed and connected and the ignition is OFF. Wait 10 seconds, then turn the ignition ON and monitor the airbag warning indicator. The airbag warning indicator illuminates continuously for approximately 6 seconds and then turns off. Continue to monitor the airbag warning indicator for approximately 30 seconds, as this is the time required for the RCM to complete testing of the SRS.
    • If the airbag warning indicator either fails to light, remains lit continuously or flashes, an SRS fault is present. The flashing may not occur until approximately 30 seconds after the ignition has been turned from OFF to ON. If this occurs, diagnose and repair any SRS faults before proceeding.

    • If the airbag warning indicator is inoperative and a SRS fault exists, a chime sounds in a pattern of 5 sets of 5 beeps or a message displays in the message center. If this occurs, diagnose and repair the airbag warning indicator and any SRS faults before proceeding.

    • If after the ignition has been turned ON for 30 seconds the airbag warning indicator remains unlit with no chime or SRS message displayed in the message center, no SRS fault is present.

  10. Using a scan tool, clear all Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.
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