Pinpoint Test CI: The Headlamps On Warning Chime Is Inoperative
- Normal Operation and Fault Conditions
See Headlamps On Warning Chime. REFER to: Warning Chimes - System Operation and Component Description .
Possible Sources
- BCM
- GWM
- IPC
- CI1 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 CI2 No GO to Pinpoint Test CR - CI2 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 the IPC DTC Chart. No GO to CI3 - CI3 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: Communications Network No DIAGNOSE all BCM Diagnostic Trouble Codes (DTCs). REFER to the Master DTC Chart.