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Home >> Ford >> 2011 >> Flex SE >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Cluster Illumination & Instrument Panel Illumination >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test A: All Dimmable Illumination Is Inoperative >> Pinpoint Test A: All DIMMABLE Illumination Is Inoperative

Pinpoint Test A: All DIMMABLE Illumination Is Inoperative

NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. A1 CHECK FOR RECORDED SJB DTCs FROM THE ON-DEMAND SELF-TEST 
    • Use the recorded results from the SJB  self-test.
    • Are any DTCs recorded? 
    • Yes:  Refer to DTC CHARTS  in this information.
    • No:  Go to A2  .
  2. A2 CHECK THE INSTRUMENT PANEL DIMMER SWITCH 
    • Ignition OFF.
    • Disconnect: Instrument Panel Dimmer Switch C2065.
    • Place the headlamp switch in the PARKING LAMPS ON position.
    • Do the dimmable components illuminate? 
    • Yes:  INSTALL a new instrument panel dimmer switch. Refer to INSTRUMENT PANEL DIMMER SWITCH  in this information. TEST the system for normal operation.
    • No:  Go to A3  .
  3. A3 CHECK THE INSTRUMENT PANEL DIMMER SWITCH INPUT CIRCUIT FOR A SHORT TO GROUND 
    • Place the headlamp switch in the OFF position.
    • Disconnect: SJB  C2280b.
    • Measure the resistance between the instrument panel dimmer switch C2065-6, circuit VLN18 (BU/WH), harness side and ground.
      Fig 1: Measuring Resistance Between Instrument Panel Dimmer Switch C2065-6, Circuit VLN18 (BU/WH), Harness Side And Ground
      G07465616Courtesy of FORD MOTOR CO.
    • Is the resistance greater than 10,000 ohms? 
    • Yes:  Go to A4  .
    • No:  REPAIR circuit VLN18 (BU/WH) for a short to ground. TEST the system for normal operation.
  4. A4 CHECK FOR CORRECT SJB OPERATION 
    • Disconnect all the SJB  connectors.
    • Check for:
      • corrosion
      • damaged pins
      • pushed-out pins
    • 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? 
    • Yes:  INSTALL a new SJB  . Refer to MULTIFUNCTION ELECTRONIC MODULE . TEST the system for normal operation.
    • No:  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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