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Pinpoint Test D : The Speedometer Is Inoperative

  1. D1 PERFORM THE PCM KOEO SELF-TEST

    • Ignition ON.
    • Using a diagnostic scan tool, perform the PCM KOEO self-test.

    Are any DTCs recorded? 

    Yes  REFER to Electronic Engine Controls .
    No  GO to  D2.

  2. D2 PERFORM THE IPC SELF-TEST

    • Using a diagnostic scan tool, perform the IPC self-test.

    Are any DTCs recorded? 

    Yes  REFER to DTC Chart: IPC .
    No  GO to  D3.

  3. D3 PERFORM THE SPEEDOMETER ACTIVE COMMAND USING THE SCAN TOOL

    • Using a diagnostic scan tool, view the IPC PIDs.
    • Select the IPC speedometer (SPDOMETER) PID. Command the speedometer on and off while monitoring the speedometer.

    Does the speed begin at 0 km/h (0 mph) move to 193 km/h (120 mph) and return to 0 km/h (0 mph)? 

    Yes  DIAGNOSE all PCM DTCs. REFER to Electronic Engine Controls .
    No   
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