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Pinpoint Test L: The Speedometer/Odometer Is Inoperative

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
  1. L1 RETRIEVE THE RECORDED DTCS FROM BOTH CONTINUOUS AND ON-DEMAND INSTRUMENT CLUSTER SELF-TESTS 
    • Use the recorded instrument cluster DTCs from the continuous and on-demand self-tests.
    • Are any instrument cluster DTCs recorded? 

    Yes 

    If instrument cluster U1123 is retrieved, refer to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE to continue diagnosis.

    If instrument cluster U1041 is retrieved, refer to MODULE COMMUNICATIONS NETWORK to continue diagnosis.

    For all other instrument cluster DTCs, refer to the INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) INDEX .

    No 

    For an inoperative speedometer, GO to L2.

    For an inoperative odometer, GO to  L3.

  2. L2 CARRY OUT THE SPEEDOMETER ACTIVE COMMAND USING THE DIAGNOSTIC TOOL 
    • Connect the diagnostic tool.
    • Key in ON position.
    • Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Active Command.
    • Select the instrument cluster speedometer active command.
    • Trigger the speedometer and scroll in increments of 10% while monitoring the speedometer. The speedometer should increase in increments of approximately 20 km/h (12 mph) for each 10% change.
    • Does the speedometer increase within specifications? 

    Yes 

    refer to INTRODUCTION - CNG, FLEX-FUEL & GASOLINE to continue diagnosis.

    No 

    GO to L4.

  3. L3 MONITOR THE INTEGRATED CIRCUIT DISPLAYS 
    • Key in ON position.
    • Monitor the compass, air temperature and message center functions of the integrated circuit display.
    • Do the compass, air temperature or message center displays operate correctly? 

    Yes 

    GO to L4.

    No 

    Go To PINPOINT TEST AE .

  4. L4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION 
    • Disconnect all instrument cluster connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all instrument cluster 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 instrument cluster. Refer to INSTRUMENT CLUSTER . 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.

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