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Home >> Ford >> 2021 >> Mustang Mach 1, Automatic Trans >> 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 BQ: The Memory-Stored Feedback Chime Is Inoperative

Pinpoint Test BQ: The Memory-Stored Feedback Chime Is Inoperative

  1. Normal Operation and Fault Conditions 

    See Memory-Stored Chime. REFER to: Message Center - System Operation and Component Description .

    Possible Sources 

    • Memory set feature concern
    • DSM concern
    • GWM concern
    • IPC

  2. BQ1 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  BQ2
    No  GO to Pinpoint Test BV 
  3. BQ2 CHECK THE MEMORY SET FEATURE

    • Verify the memory set procedure can successfully change the memory preferences.

    Does the memory set procedure successfully change the memory preferences? 

    Yes  GO to  BQ3
    No 
  4. BQ3 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: Instrument Panel Cluster (IPC) .
    No  GO to  BQ4
  5. BQ4 PERFORM THE DSM (DRIVER FRONT SEAT MODULE) SELF-TEST

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

    Are any Diagnostic Trouble Codes (DTCs) recorded? 

    Yes 
    No  GO to  BQ5
  6. BQ5 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  DIAGNOSE any DSM Diagnostic Trouble Codes (DTCs).