DTC B2090: Driving Support System Malfunction [12/2015 - 11/2017]: Procedure

1. Check DTCs for dynamic radar cruise control system (Refer to DTC CHECK / CLEAR [12/2015 - 08/2016] , or refer to DTC CHECK / CLEAR [08/2016 - 11/2017] ).

   OK

   Dynamic radar cruise control system DTCs are not output.

Result: 

NG 

GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2015 - 08/2016] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - 11/2017] )

Result: 

OK 

See step  2

1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
2. Check for DTCs (Refer to DTC CHECK / CLEAR [12/2015 - 11/2017] ).

   OK

   "Pre-Collision 2" DTC is not output.

Result: 

NG 

GO TO DIAGNOSTIC TROUBLE CODE CHART 

(Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2015 - 11/2017] )

Result: 

OK 

See step  3

1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes.
2. Clear the DTCs (Refer to DTC CHECK / CLEAR [12/2015 - 11/2017] ).
3. Check for DTCs.

   OK

   DTC B2090 is not output.

Result: 

OK 

USE SIMULATION METHOD TO CHECK (SYMPTOMS SIMULATION) 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - 08/2016] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 11/2017] )

Result: 

NG 

REPLACE SEAT BELT CONTROL ECU 

(Refer to REMOVAL [12/2015 - 11/2017] )