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Pinpoint Test E: The Speedometer/Odometer Is Inoperative

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCs) FROM BOTH THE CONTINUOUS AND ON-DEMAND PCM SELF-TESTS 
    • Check for recorded PCM DTCs from the continuous and on-demand self-tests.
    • Are any PCM DTCs recorded? 

    Yes  : REFER to the INTRODUCTION - GASOLINE article to continue diagnosis of the DTCs.

    No  : GO to E2.

  2. E2 CARRY OUT THE INSTRUMENT CLUSTER SPEEDOMETER ACTIVE COMMAND USING THE DIAGNOSTIC TOOL 
    • Key in ON position.
    • Enter the following diagnostic mode on the scan tool: Instrument Cluster Active Command.
    • Select the instrument cluster speedometer active command. Trigger the speedometer on. Observe the speedometer. The speedometer should start at 0 and move to 193 km/h (120 mph).
    • Does the speedometer reading increase within the specifications? 

    Yes  : GO to E3.

    No  : GO to  E4.

  3. E3 MONITOR THE DISPLAY SEGMENT CONTROL DISPLAY 
    • Select the display segment control display. Trigger the display segment active command and illuminate the display segments.
    • Do the display segments illuminate correctly? 

    Yes  : GO to  E5.

    No  : GO to E4.

  4. E4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION 
    • Disconnect the instrument cluster connector.
    • Check for:
      • Corrosion
      • Pushed-out pins
    • Connect the instrument cluster connector and make sure it seats 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. The concern may have been caused by a loose or corroded connector.

  5. E5 CHECK FOR CORRECT PCM OPERATION 
    • Disconnect all the PCM connectors.
    • Check for:
      • Corrosion
      • Pushed-out pins
    • Connect all the PCM connectors and make sure they seat correctly.
    • Operate the system and determine if the concern is still present.
    • Is the concern still present? 

    Yes  : INSTALL a new PCM. REFER to ELECTRONIC ENGINE CONTROLS - 2.3L , or ELECTRONIC ENGINE CONTROLS - 3.0L (4V) . 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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