DTC B2090: Driving Support System Malfunction [09/2015 - ]: Procedure

1. Enter the following menus: Body Electrical / Pre-Collision 2, Radar Cruise / Trouble Code.
2. Check for DTCs.
   RESULT
   
   

   Result	Proceed to
   "Pre-Collision 2" or "Radar Cruise" DTC is not output	A
   "Pre-Collision 2" or "Radar Cruise" DTC is output	B

Result:  B

B 

GO TO RELEVANT FLOWCHART 

Result:  A

A 

See step  2

1. Enter the following menus: Body Electrical / Pre-Collision 1 / Trouble Code /
2. Select "Clear" and clear the data.
3. Recheck for DTCs.

   OK

   DTC B2090 is not output.

Result:  OK

OK 

USE SIMULATION METHOD TO CHECK 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] )

Result:  NG

NG 

REPLACE SEAT BELT CONTROL ECU 

(Refer to REMOVAL [09/2015 - ] )