Collision Mitigation Braking System (CMBS) Symptom Troubleshooting Index(Collision Mitigation Braking System (CMBS))

Symptom	Diagnostic procedure	Also check for
CMBS does not turn On/turn Off	Do the gauge control module self-diagnostic function . Test the safety support switch .	An open or increased resistance in the wire A short in the wire
The MID does not indicate when the safety support switch is operated	Do the gauge control module self-diagnostic function . Test the safety support switch .	An open or increased resistance in the wire A short in the wire
The buzzer does not sound	Do the gauge control module self-diagnostic function .
The buzzer does not sound when the safety support switch is operated	Do the gauge control module self-diagnostic function .
The MID does not indicate with the CMBS operating	Do the gauge control module self-diagnostic function .
The CMBS operates frequently	Check the millimeter wave radar installation . Check the wheel alignment .	Driving conditions, weather, environmental influence
The CMBS operated without danger of collision	Check the millimeter wave radar installation . Check the wheel alignment .	Driving conditions, weather, environmental influence
The CMBS did not operate	Check the millimeter wave radar installation . Check the wheel alignment .	Driving conditions, weather, environmental influences Undetectable environment