Pinpoint Test Cm: The Lane Keeping Alert Warning Chime Is Inoperative

Normal Operation and Fault Conditions
See Lane Keeping Alert Warning System Chime. REFER to: Warning Chimes - System Operation and Component Description .

Possible Sources
- Communication concern
- Lane keeping system concern
- GWM
- IPC

CM1 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 CM2

No GO to Pinpoint Test CS

CM2 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. Refer to Diagnostic Trouble Code (DTC) Chart .

No GO to CM3

CM3 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 GO to CM4

CM4 CHECK THE LANE KEEPING SYSTEM OPERATION

Verify the lane keeping system operates correctly.

Does the lane keeping system operate correctly?

Yes	The system is operating correctly at this time. Inform the customer that this chime only operates with the hands off the steering wheel.

No	DIAGNOSE the lane keeping system. REFER to: Lane Keeping System .