Pinpoint Test CN: The Turn Signal-Hazard On Chime Or Turn Signal Left On Chime Is Inoperative
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
- 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
- CN1 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 CN2 No GO to Pinpoint Test A - CN2 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 CN3 No GO to Pinpoint Test AL - CN3 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.