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Home >> Lincoln >> 2021 >> Nautilus Base, FWD >> 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 AZ: The Perimeter Alarm Chime Is Inoperative >> Pinpoint Test AZ: The Perimeter Alarm Chime Is Inoperative

Pinpoint Test AZ: The Perimeter Alarm Chime Is Inoperative

  1. AZ1 CHECK THE SEATBELT WARNING CHIME OPERATION

    • Ignition OFF.

    • Ignition ON.

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

    Does the seatbelt warning chime operate for approximately 6 seconds? 

    Yes  GO to  AZ2
    No  GO to  AZ5

  2. AZ2 CHECK THE OPERATION OF THE PERIMETER ALARM

    • Arm the perimeter alarm using the remote key locking feature (key fob).

    • Wait approximately 15 seconds for the system to arm.

    • Open the driver door using the interior door handle.

    Does the perimeter alarm sound after 12 seconds? 

    Yes  GO to  AZ3
    No  REFER to: Anti-Lock Brake System (ABS) and Stability Control .

  3. AZ3 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  AZ4

  4. AZ4 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 BCM Diagnostic Trouble Codes (DTCs). REFER to: Body Control Module (BCM) .

  5. AZ5 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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