Diagnostic Procedure

Step	Inspection		Action
1	INSPECT INSTRUMENT CLUSTER Turn off the MRCC warning light (amber) using the M-MDS instrument cluster active command modes WL+IL. (See ACTIVE COMMAND MODES INSPECTION [INSTRUMENT CLUSTER] .) Are all the warning lights turned on/off?	Yes	Go to the next step.
1		No	Replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
2	INSPECT RADAR UNIT Inspect the radar unit. (See RADAR UNIT INSPECTION .) Is the radar unit normal?	Yes	Go to the next step.
2		No	Replace the radar unit. (See RADAR UNIT REMOVAL/INSTALLATION .)
3	VERIFY MRCC WARNING LIGHT (AMBER) ILLUMINATION CONDITION Switch the ignition ON (engine off or on). After switching the ignition ON (engine off or on), does the MRCC warning light (amber) remain illuminated even after 5 s or more have elapsed? NOTE: After switching the ignition ON (engine off or on), the MRCC warning light (amber) is illuminated for approx. 3 s for MRCC warning light (amber) illumination verification.	Yes	Replace the radar unit. (See RADAR UNIT REMOVAL/INSTALLATION .)
3		No	Symptom troubleshooting is completed.