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Home >> Lincoln >> 2021 >> Nautilus Base, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrumentation, Message Center And Warning Chimes (2 Of 2) >> Diagnosis And Testing >> Instrumentation, Message Center and Warning Chimes >> Pinpoint Tests >> Pinpoint Test Av: The Ignition-Engine On Warning Chime Is Inoperative >> Pinpoint Test Av: The Ignition-Engine On Warning Chime Is Inoperative

Pinpoint Test Av: The Ignition-Engine On Warning Chime Is Inoperative

  1. AV1 CHECK THE SEATBELT WARNING CHIME OPERATION

    • Ignition OFF.

    • Ignition ON.

    • Unbuckle the driver seatbelt.

    • Monitor the seatbelt warning chime when the ignition is transitioned from OFF to RUN for 6 seconds.

    Does the seatbelt warning chime operate for approximately 6 seconds? 

    Yes  GO to  AV2
    No  GO to  AV7

  2. AV2 CHECK THE DOOR AJAR INDICATION

    • Open the driver door.

    • Observe the door ajar warning indicator or door ajar RTT warning indicator.

    Does the door ajar warning indicator or door ajar RTT warning indicator turn on with the driver door ajar? 

    Yes  GO to  AV3
    No  GO to Pinpoint Test AE 

  3. AV3 CHECK THE PRNDL OPERATION

    • Shift the transmission range selector through the ranges while observing the PRNDL indication.

    Does the PRNDL indication match the selected transmission range? 

    Yes  GO to  AV4
    No  GO to Pinpoint Test O 

  4. AV4 PERFORM THE BCM (BODY CONTROL MODULE) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Body Control Module (BCM) .
    No  GO to  AV5

  5. AV5 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 
    No  GO to  AV6

  6. AV6 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: Controller Area Network (CAN) Module Communications Network .
    No  DIAGNOSE all PCM Diagnostic Trouble Codes (DTCs). For 2.0L, REFER to: DIAGNOSIS AND TESTING For 2.7L, REFER to: DIAGNOSIS AND TESTING

  7. AV7 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 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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