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Home >> Mercury >> 2008 >> Milan Base, 2.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1374 (Steering Column Switches) >> Diagnostic Tests >> Steering Column Switches >> Pinpoint Tests >> Pinpoint Test C: No Power in RUN >> Pinpoint Test C: No Power In Run

Pinpoint Test C: No Power In Run

WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. 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. C1 CHECK CIRCUIT CDC34 (WH/OG) FOR VOLTAGE 
    • Key in OFF position.
    • Disconnect: SJB C2280b
    • Key in ON position.
      • Fig 1: Checking Circuit CDC34 (WH/OG) For Voltage
      GF0030232Courtesy of FORD MOTOR CO.
    • Measure the voltage between SJB C2280b-29, circuit CDC34 (WH/OG), harness side and ground.
    • Is the voltage greater than 10 volts? 
    1. YES  : Go to  C3.
    2. NO  : Go to  C2.
  2. C2 CHECK CIRCUIT CDC34 (WH/OG) FOR AN OPEN OR SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: SJB C2280b
    • Disconnect: Ignition Switch C250
      • Fig 2: Checking Circuit CDC34 (WH/OG) For Open Or Short To Ground
      GF0030233Courtesy of FORD MOTOR CO.
    • Measure the resistance between:
      • ignition switch C250-1, circuit CDC34 (WH/OG), harness side and SJB C2280b-29, circuit CDC34 (WH/OG), harness side.
      • ignition switch C250-1, circuit CDC34 (WH/OG), harness side and ground.
    • Are the resistances less than 5 ohms between the ignition switch and the SJB, and greater than 10,000 ohms between the ignition switch and ground? 
    1. YES  : Go to  C3.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  3. C3 CHECK THE IGNITION SWITCH 
    • Disconnect: Ignition Switch C250
    • Carry out the Ignition Switch Component Test. Refer to Ignition Switch - Mechanical .
    • Is the ignition switch OK? 
    1. YES  : Go to  C4.
    2. NO  : INSTALL a new ignition switch. REFER to Ignition Switch . CLEAR the DTCs. REPEAT the self-test.
  4. C4 CHECK FOR CORRECT SJB OPERATION 
    • Disconnect all the SJB connectors.
    • Check for:
      • corrosion.
      • pushed-out pins.
      • spread terminals.
    • Connect all the SJB connectors and make sure they seat correctly.
    • 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.
    2. NO  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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