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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 An: The Active Park Assist/Parking Aid Chime Is Inoperative >> Pinpoint Test An: The Active Park Assist/Parking Aid Chime Is Inoperative

Pinpoint Test An: The Active Park Assist/Parking Aid Chime Is Inoperative

  1. AN1 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  AN2
    No  GO to  AN6

  2. AN2 VERIFY THE CHIMES FUNCTION THROUGH THE AUDIO SPEAKERS

    • Ignition OFF.

    • Ignition ON.

    • Monitor the location of the seatbelt warning chime (front/rear audio speakers or IPC) when the ignition is transitioned from OFF to RUN.

    Does the chime sound through the audio speakers? 

    Yes  GO to  AN3
    No  GO to Pinpoint Test AS 

  3. AN3 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  GO to  AN4

  4. AN4 PERFORM THE PAM (PARKING ASSIST CONTROL MODULE) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  REFER to: Parking Aid .
    No  GO to  AN5

  5. AN5 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  DIAGNOSE the audible parking aid. REFER to: Parking Aid .

  6. AN6 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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