RBS does not work normally

Precautions: Precautions for Diagnosing Trouble · Precautions for RBS System · Precautions for Servicing RBS System · Precautions for Removing / Installing and Replacing RBS Control Module · Precautions for Control Systems · General safety (00)

NOTE:

•RBS system is controlled by RBS control module communicating with ESP^® control module, BCM, ECM, steering angle sensor, ENG A-STOP control module and combination meter through CAN communication. Before performing symptom diagnosis, check that no DTC is indicated in these control modules.
•With the radiator grill installed, the millimeter wave radar cover cannot be removed. It is necessary to remove the radiator grill for visual inspection of the millimeter wave radar device (RBS control module).

Condition	Possible Cause	Action
RBS does not work normally	The vehicle is in a collision avoidance operation using steering and accelerator pedal	—
	The vehicle ahead is as follows – Low platform truck – Vehicle with a special appearance such as car carrier – Bicycle carrier or the like and the load or equipment protruding right and left and/or rear and above	—
	There is a possibility to collide with a vehicle ahead partially	—
	Adhesion of water droplets, snow or contaminant on millimeter wave radar cover	Clean millimeter wave radar cover or radar surface.
	The vehicle is tilted by heavy load on the luggage compartment or rear seat	Unload the vehicle.
	The vehicle is driven on a winding road continuously, or getting in or getting out of a corner	—
	The vehicle is driven in a narrow traffic lane	—
	A vehicle ahead is parking or running very slowly	—