Pinpoint Test BM: The Forward Collision Warning Chime Is Inoperative

Normal Operation and Fault Conditions
See Forward Collision Warning Chime. Refer to Warning Chimes - System Operation and Component Description .

Possible Sources
- Forward collision system concern
- Communication concern
- IPMA concern
- GWM
- IPC

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 BV

BM2 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 Diagnostic Trouble Code (DTC) Chart

No GO to BM3

BM3 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 the appropriate DTC Index.

No GO to BM4

BM4 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 the collision warning system. Refer to Cruise Control - Vehicles With: Adaptive Cruise Control With Lane Centering .