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Pinpoint Test B: The Power Seat Is Inoperative - Driver (Without Power Recliner)

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. B1 CHECK CIRCUIT SBB32 (VT/RD) FOR VOLTAGE 
    WARNING: The restraint system diagnostic tool is for restraint system service only. Remove from vehicle prior to road use. Failure to remove could result in injury and possible violation of vehicle safety standards.
    NOTE: If a seat equipped with a supplemental restraint system (SRS) component is being serviced, the SRS must be depowered.  Refer to SUPPLEMENTAL RESTRAINT SYSTEM .
    NOTE: The air bag warning lamp illuminates when the RCM fuse is removed and the ignition switch is ON. This is normal operation and does not indicate a SRS fault.
    NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
    • Key in OFF position.
      • WARNING: Be sure that nobody is in the vehicle and that there is nothing blocking or set in front of any air bag module when the battery ground cable is connected.
    • For vehicles equipped with seat side air bags, carry out the following:
    • Disconnect: Driver Seat Control Switch C369.
    • Measure the voltage between driver seat control switch C369-4, circuit SBB32 (VT/RD), harness side and ground.
      Fig 1: Checking Circuit SBB32 (VT/RD) For Voltage
      G04683193Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 

    Yes  : GO to B2.

    No  : VERIFY battery junction box (BJB) fuse 32 (30A) is OK. If BJB fuse 32 (30A) is OK, REPAIR the circuit. TEST the system for normal operation.

    For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. DISCONNECT the restraint system diagnostic tool from driver seat side air bag module C327 and CONNECT driver seat side air bag module C327. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .

  2. B2 CHECK CIRCUIT GD126 (BK/WH) FOR AN OPEN 
    • Measure the resistance between driver seat control switch C369-2, circuit GD126 (BK/WH), harness side and ground.
      Fig 2: Checking Circuit GD126 (BK/WH) For Open
      G04683194Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 

    Yes  : INSTALL a new driver seat control switch. TEST the system for normal operation.

    For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. DISCONNECT the restraint system diagnostic tool from driver seat side air bag module C327 and CONNECT driver seat side air bag module C327. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .

    No  : REPAIR the circuit. TEST the system for normal operation.

    For vehicles equipped with seat side air bags, DISCONNECT the battery ground cable. DISCONNECT the restraint system diagnostic tool from driver seat side air bag module C327 and CONNECT driver seat side air bag module C327. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .

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