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Home >> Ford >> 2008 >> Expedition EL RWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Cluster System And Panel Illumination >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test E: The Individual Component Illumination Is Inoperative >> Pinpoint Test E: The Individual Component Illumination Is Inoperative

Pinpoint Test E: The Individual Component Illumination Is Inoperative

CAUTION: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
  1. E1 CHECK THE RECORDED RESULTS FROM BOTH CONTINUOUS AND ON-DEMAND SELF-TESTS 
    • Check for recorded DTCs from the continuous and on-demand self-tests.
    • Are any DTCs present? 
    1. YES  : REFER to DTC Charts .
    2. NO  : For the rear power window switches, DISCONNECT the switch in question. Go to  E3.

      For all others, go to  E2.

  2. E2 CHECK GROUND CIRCUIT TO THE ILLUMINATED COMPONENT FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Inoperative Illumination Source
    • Measure the resistance between the inoperative illuminated component, harness side and ground as follows:
      EXPEDITION

      Component Connector-Pin Circuit
      Message center switch C253-4 GD138 (BK/WH)
      Adjustable pedal switch C2089-4 GD138 (BK/WH)
      Power liftgate/traction control/hazard switch C2361-4 GD138 (BK/WH)
      4WD switch C284-1 GD138 (BK/WH)
      Headlamp switch C205-1 GD138 (BK/WH)
      Floor shifter C2096-4 GD143 (BK/VT)
      Auxiliary climate control assembly C3198-3 GD143 (BK/VT)
      LH door lock control switch C505-4 GD143 (BK/VT)
      RH door lock control switch C605-4 GD138 (BK/WH)
      Overhead console C930-1 GD150 (BK/WH)
      NAVIGATOR

      Component Connector-Pin Circuit
      Floor shifter C2096-4 GD143 (BK/VT)
      Clock C2016-5 GD138 (BK/WH)
      Power liftgate/traction control/hazard switch C2361-4 GD138 (BK/WH)
      Headlamp switch C205-1 GD138 (BK/WH)
      4WD switch C2071-4 GD138 (BK/WH)
      Message center switch C253-4 GD138 (BK/WH)
      Adjustable pedal switch C2089-4 GD138 (BK/WH)
      Ashtray receptacle C2246-1 GD138 (BK/WH)
      LH door lock control switch C505-4 GD143 (BK/VT)
      RH door lock control switch C605-4 GD138 (BK/WH)
      Overhead console C930-1 GD150 (BK/WH)
      LH front power window switch C535b-6 GD143 (BK/VT)
      RH front power window switch C648-6 GD138 (BK/WH)
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  E3.
    2. NO  : REPAIR the circuit in question. TEST the system for normal operation.
  3. E3 CHECK FOR VOLTAGE TO THE ILLUMINATED COMPONENT 
    • Key in ON position.
    • Place the headlamp switch to the PARKING LAMPS ON position.
    • Rotate the instrument panel dimmer switch to the full illumination position.
    • Measure the voltage between the inoperative illumination source, harness side and ground as follows:
      EXPEDITION

      Component Connector-Pin Circuit
      Message center switch C253-1 VLN18 (BU/WH)
      Adjustable pedal switch C2089-3 VLN18 (BU/WH)
      Power liftgate/traction control/hazard switch C2361-1 VLN18 (BU/WH)
      4WD switch C284-4 VLN18 (BU/WH)
      Headlamp switch C205-2 VLN18 (BU/WH)
      Floor shifter C2096-3 VLN18 (BU/WH)
      Auxiliary climate control assembly C3198-1 VLN18 (BU/WH)
      LH door lock control switch C505-2 CBP41 (BU)
      RH door lock control switch C605-2 CBP41 (BU)
      Overhead console C930-2 VLN18 (BU/WH)
      NAVIGATOR

      Component Connector-Pin Circuit
      Floor shifter C2096-3 VLN04 (VT/GY)
      Clock C2016-2 VLN04 (VT/GY)
      Power liftgate/traction control/hazard switch C2361-1 VLN04 (VT/GY)
      Headlamp switch C205-2 VLN04 (VT/GY)
      4WD switch C2071-1 VLN04 (VT/GY)
      Adjustable pedal switch C2089-3 VLN04 (VT/GY)
      Message center switch C253-1 VLN04 (VT/GY)
      Ashtray receptacle C2246-2 VLN04 (VT/GY)
      LH door lock control switch C505-2 VLN04 (VT/GY)
      RH door lock control switch C605-2 VLN04 (VT/GY)
      Overhead console C930-2 VLN04 (VT/GY)
      LH front power window switch C535a-6 VLN04 (VT/GY)
      RH front power window switch C648-1 VLN04 (VT/GY)
      LH rear power window switch C701-4 VLN04 (VT/GY)
      RH rear power window switch C801-4 VLN04 (VT/GY)
    • Is the voltage greater than 10 volts? 
    1. YES  : INSTALL a new component in question. TEST the system for normal operation.
    2. NO  : REPAIR the circuit in question. TEST the system for normal operation
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