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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 155 (Seat System - F150) >> Diagnosis And Testing >> Seats >> Pinpoint Tests >> Pinpoint Test A: The Power Seat is Inoperative - Driver, With Manual Recliner >> Pinpoint Test A: The Power Seat Is Inoperative - Driver, With Manual Recliner

Pinpoint Test A: The Power Seat Is Inoperative - Driver, With Manual Recliner

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If a seat equipped with a seat mounted side air bag is being repaired, the Supplemental Restraint System (SRS) must be depowered. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
NOTE: The air bag warning lamp illuminates when the Restraints Control Module (RCM) fuse is removed and the ignition switch is ON. This is normal operation and does not indicate an SRS fault.
NOTE: The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
  1. A1 CHECK THE DRIVER SEAT CONTROL SWITCH FOR VOLTAGE 
    • Ignition OFF.
    • Depower the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .
    • Disconnect: Driver Seat Side Air Bag Module C3051.
    • Disconnect: Driver Seat Control Switch C360.
      • 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. REFER to BATTERY, MOUNTING AND CABLES .
    • Measure the voltage between driver seat control switch C360-4, circuit CBX05 (VT/RD), harness side and ground.
      Fig 1: Measuring Voltage Between Driver Seat Control Switch C360-4, Circuit CBX05 (VT/RD) And Ground
      G06063177Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
      1. Yes  : GO to A2.
      2. No  : VERIFY Battery Junction Box (BJB) fuse 74 (30A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams information to identify possible causes of the circuit short. TEST the system for normal operation. DISCONNECT the battery ground cable.

        CONNECT driver seat side air bag module C3051. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .

  2. A2 CHECK THE DRIVER SEAT CONTROL SWITCH GROUND CIRCUIT FOR AN OPEN 
    • Measure the resistance between driver seat control switch C360-2, circuit GD904 (BK/BU), harness side and ground.
      Fig 2: Measuring Resistance Between Driver Seat Control Switch C360-2, Circuit GD904 (BK/BU) And Ground
      G06134179Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
      1. Yes  : INSTALL a new driver seat control switch. REFER to SEAT CONTROL SWITCH  . TEST the system for normal operation.

        DISCONNECT the battery ground cable.

        CONNECT driver seat side air bag module C3051. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .

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

        DISCONNECT the battery ground cable.

        CONNECT driver seat side air bag module C3051. REPOWER the SRS. REFER to SUPPLEMENTAL RESTRAINT SYSTEM .

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