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Home >> Ford >> 2002 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2409 (Steering Column Switches -- F250-F550 Super Duty) >> Diagnostic Tests >> Steering Column Switches >> Pinpoint Tests >> Pinpoint Test B: No Power in ACC >> Pinpoint Test B: No Power In Acc

Pinpoint Test B: No Power In Acc

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multi-meter probes.
  1. B1 CHECK THE IGNITION SWITCH 
    • Carry out the Ignition Switch Component Test. Refer to COMPONENT TESTING.
    • Is the ignition switch OK? 
    1. YES  : Go to  B2.
    2. NO  : INSTALL a new ignition switch. REFER to Ignition Switch . TEST the system for normal operation.
  2. B2 CHECK CIRCUIT CDC33 (VT/GN) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: SJB C2280A
    • Disconnect: Ignition Switch C250
      • Fig 1: Checking Circuit CDC33 (VT/GN) For An Open
      GF0023052Courtesy of FORD MOTOR CO.
    • Measure the resistance between ignition switch C250-5, circuit CDC33 (VT/GN), harness side and SJB C2280A-3, circuit CDC33 (VT/GN), harness side.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  B3.
    2. NO  : REPAIR circuit CDC33 (VT/GN). TEST the system for normal operation.
  3. B3 CHECK THE SJB CONNECTORS 
    • Check SJB C2208A for:
      • corrosion.
      • pushed-out pins.
      • spread terminals.
    • Connect: SJB C2208A
    • Make sure the connector is seated correctly, then operate the system and verify the concern is still present.
    • Is the concern still present? 
    1. YES  : INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES article. TEST the system for normal operation.
    2. NO  : The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector.
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