Pinpoint Test AO : The Parking Brake Warning Chime Is Inoperative
- AO1 CHECK THE SAFETY BELT WARNING CHIME OPERATION
- Ignition OFF.
- Ignition ON.
- Monitor the safety belt warning chime when the ignition switch is transitioned from OFF to RUN for 6 seconds.
Does the safety belt warning chime operate for approximately 6 seconds?
Yes GO to AO2. No INSTALL a new IPC. REFER to Instrument Panel Cluster (IPC) . - AO2 CHECK THE BRAKE WARNING INDICATOR FOR CORRECT OPERATION
- Apply the parking brake.
- Ignition ON.
- Observe the brake warning indicator.
Does the brake warning indicator illuminate?
Yes GO to AO3. No GO to Pinpoint Test L . - AO3 CHECK THE SPEEDOMETER OPERATION
- Check the speedometer for correct operation.
Does the speedometer operate?
Yes GO to AO4. No GO to Pinpoint Test F . - AO4 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST
- Using a scan tool, perform the IPC self-test.
Are any DTCs recorded?
Yes For DTC U0140:00, GO to Pinpoint Test AW . For all other DTCs, REFER to DTC Chart - IPC in DTC Chart(s) No GO to AO5. - AO5 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST
- Check for recorded BCM DTCs from the self-test.
Are any DTCs recorded?
Yes REFER to the BCM DTC Chart in Multifunction Electronic Modules . No INSTALL a new BCM. REFER to Multifunction Electronic Modules . TEST the system for normal operation.