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Pinpoint Test J: The Speedometer Is Inoperative

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
  1. J1 CARRY OUT THE INSTRUMENT CLUSTER SPEEDOMETER ACTIVE COMMAND 
    • 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 COMMAND active command.
    • Trigger SPDOMETER and scroll in increments of 10%. Monitor the speedometer gauge. The speedometer should be increasing in increments of 16 mph for every 10%.
    • Does the speedometer increase within specification? 
    1. Yes  : GO to J2.
    2. No  : GO to  J4.
  2. J2 CARRY OUT THE INSTRUMENT CLUSTER DIGITAL SEGMENT DISPLAY ACTIVE COMMAND 
    • Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Active Command.
    • Select the instrument cluster DISPLAY SEGMENT CONTROL II active command.
    • Trigger the SEGMENTS active command.
    • Do all segments illuminate? 
    1. Yes  : GO to J3.
    2. No  : GO to  J4.
  3. J3 RETRIEVE THE RECORDED DTCS FROM BOTH CONTINUOUS AND ON-DEMAND SELF-TESTS - INSTRUMENT CLUSTER 
    • Use the recorded instrument cluster DTCs from the continuous and on-demand self-test.
    • Are any DTCs recorded? 
    1. Yes  : If instrument cluster DTC U1041 is recorded, REFER to ANTI-LOCK CONTROL to continue diagnosis.

      All other instrument cluster DTCs, REFER to the Instrument Cluster Diagnostic Trouble Code (DTC) Index.

    2. No  : GO to J4.
  4. J4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION 
    • Disconnect all the instrument cluster connectors.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect all the instrument cluster 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 instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
    2. 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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