Pinpoint Test AU: The Forward Collision Alert Warning Chime Is Inoperative
- Normal Operation and Fault Conditions
See Forward Collision Alert Warning Chime. REFER to: Warning Chimes - System Operation and Component Description .
Possible Sources
- Forward collision alert system concern
- Communication concern
- IPMA concern
- GWM concern
- IPC
- AU1 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 AU2 No GO to Pinpoint Test AR - AU2 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 GO to AU3 - AU3 PERFORM THE IPMA (IMAGE PROCESSING MODULE A) SELF-TEST
- Using a diagnostic scan tool, perform the IPMA self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Lane Keeping System . No GO to AU4 - AU4 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 the forward collision alert system. REFER to: CRUISE CONTROL - Vehicles With: Adaptive Cruise Control/Intelligent Adaptive Cruise Control .