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Home >> Lincoln >> 2021 >> Aviator Base, AWD >> Repair and Diagnosis >> Electrical >> Gauges >> Instrumentation, Message Center And Warning Chimes (2 Of 2) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test Bk : The Electric Vehicle (EV) Fuel Maintenance Or Electric Vehicle (EV) Low Engine Use Mode Message Is Never Or Always Displayed

Pinpoint Test Bk : The Electric Vehicle (EV) Fuel Maintenance Or Electric Vehicle (EV) Low Engine Use Mode Message Is Never Or Always Displayed

  1. Normal Operation and Fault Conditions 

    See Fuel Maintenance or Low Engine Use Mode (PHEV). REFER to: Message Center - System Operation and Component Description .

    Possible Sources 

    • Communication concern
    • PCM concern
    • GWM
    • IPC

  2. BK1 CHECK THE MESSAGE CENTER OPERATION

    • Ignition ON.

    • Close all doors, liftgate and the hood.

    • Clear all message center warnings by pressing the OK button for each warning present.

    • Monitor the door ajar RTT indicator.

    • Open the driver door.

    • Clear the message center warning.

    • Monitor the door ajar RTT indicator.

    Is the door ajar RTT indicator off with the door closed, and on with the door open? 

    Yes  GO to  BK2
    No  GO to Pinpoint Test A 

  3. BK2 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to DTC Chart: IPC in this information. Refer to Diagnostic Trouble Code (DTC) Chart 
    No  GO to  BK3

  4. BK3 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Electronic Engine Controls .
    No  GO to  BK4

  5. BK4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CM DTCs).

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Communications Network .
    No  GO to  BK5

  6. BK5 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) OPERATION

    • Ignition OFF.

    • Disconnect and inspect the IPC connector.

    • Repair:

      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary

    • Reconnect the IPC connector. Make sure it seats and latches correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) .
    No  The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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