LEMON Manuals: Even more car manuals for everyone
Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 593 (Information Center - Instrumentation, Message Center, And Warning Chimes) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test G : The Analog Tachometer Is Inoperative >> Pinpoint Test G : The Analog Tachometer Is Inoperative

Pinpoint Test G : The Analog Tachometer Is Inoperative

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

  1. G1 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  G2.
  2. G2 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  G3.
  3. G3 PERFORM THE TACHOMETER ACTIVE COMMAND USING THE SCAN TOOL

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

    Does the tachometer begin at 0 Revolutions Per Minute (RPM), increase to 7, 000 Revolutions Per Minute (RPM) then return to 0 Revolutions Per Minute (RPM)? 

    Yes  INSTALL a new PCM. REFER to Electronic Engine Controls .
    No