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Home >> Ford >> 2021 >> Expedition Platinum, 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 BO: The Perimeter Alarm Chime Is Inoperative >> Pinpoint Test BO: The Perimeter Alarm Chime Is Inoperative

Pinpoint Test BO: The Perimeter Alarm Chime Is Inoperative

  1. BO1 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  BO2
    No  GO to Pinpoint Test BQ 
  2. BO2 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  BO3
    No  Refer to: Perimeter Anti-Theft Alarm .
  3. BO3 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 article. Refer to DTC Chart: Instrument Panel Cluster (IPC)  .
    No  GO to  BO4
  4. BO4 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  BO5
  5. BO5 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes  Refer to: Communications Network .
    No  INSTALL a new BCM. Refer to: Body Control Module (BCM) .