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Pinpoint Test H: The Delayed Accessory Is Inoperative: Testing

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
  1. H1 CHECK FOR CORRECT OPERATION OF THE INTERIOR LIGHTS 
    • Open and close the front doors. Verify the interior lights turn ON when the doors are open, and OFF when the doors are closed.
    • Do the interior lights operate normally? 
    • Yes  : GO to H2.
    • No  : REFER to INTERIOR LIGHTING to diagnose the interior lighting and door ajar switches.
  2. H2 CHECK CIRCUIT 905 (GY/LB) FOR VOLTAGE 
    • Disconnect: SJB C2280g.
    • Key in ON position.
    • Measure the voltage between SJB C2280g-2, circuit 905 (GY/LB), harness side and ground.
      Fig 1: Checking Circuit 905 (GY/LB) For Voltage
      G03989068Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to H3.
    • No  : REPAIR the circuit. TEST the system for normal operation.
  3. H3 CHECK CIRCUIT 1499 (PK/LG) FOR AN OPEN 
    • Disconnect: LH Front Window Control Switch C504a.
    • Measure the resistance between LH front window control switch C504a-5, circuit 1499 (PK/LG), harness side and SJB C2280e-4, circuit 1499 (PK/LG), harness side.
      Fig 2: Checking Circuit 1499 (PK/LG) For An Open
      G03989033Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to H4.
    • No  : REPAIR the circuit. TEST the system for normal operation.
  4. H4 CHECK FOR CORRECT SJB OPERATION 
    • Disconnect all SJB connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all SJB connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES for the removal and installation procedure. TEST the system for normal operation.
    • No  : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test. TEST the system for normal operation.
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