Pinpoint Test As : The Adaptive Cruise Control Warning Chime Is Inoperative
- AS1 CHECK THE SAFETY BELT WARNING CHIME OPERATION
- Ignition OFF.
- Ignition ON.
- Unbuckle the driver safety belt.
- Monitor the safety belt warning chime when the ignition is transitioned from OFF to RUN for 6 seconds.
Does the safety belt warning chime operate for approximately 6 seconds?
Yes GO to AS2 No Refer to IPC HARDWARE TESTING . - AS2 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 AS3 - AS3 CHECK THE BCM (BODY CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the BCM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Body Control Module (BCM) . No GO to AS4 - AS4 CHECK THE CRUISE CONTROL DISPLAY IN THE MESSAGE CENTER
- Verify the adaptive cruise control display functions in the message center when the adaptive cruise control is in operation.
Does the cruise control display operate in the message center?
Yes DIAGNOSE the cruise control system. Refer to: Cruise Control . No DIAGNOSE the cruise control RTT indicator. GO to Pinpoint Test AK