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Pinpoint Test BM: The Turn Signal-Hazard On Chime Or Turn Signal Left On Chime Is Inoperative

  1. Normal Operation and Fault Conditions 

    See Turn Signal On Chime Tone or Turn Signal Left On Chime. REFER to: Warning Chimes - System Operation and Component Description .

    Possible Sources 

    • Turn signal indication concern
    • Communication concern
    • BCM
    • GWM
    • IPC

  2. BM1 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  BM2
    No  GO to Pinpoint Test A 

  3. BM2 CHECK THE TURN SIGNAL INDICATOR OPERATION

    • Verify the RH and LH turn signal indicators operate correctly.

    Do the turn signal indicators operate correctly? 

    Yes  GO to  BM3
    No  GO to Pinpoint Test W 

  4. BM3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)

    • Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (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 the Master DTC Chart.
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