DTC B2090: Driving Support System Malfunction [03/2014 - ]: Procedure

CHECK DTC OUTPUT (DYNAMIC RADAR CRUISE CONTROL SYSTEM)
1. Check DTCs for dynamic radar cruise control system. Refer to DTC CHECK / CLEAR [03/2014 - ] .
  OK
  
  Dynamic radar cruise control system DTCs are not output.
NG → See step 4

OK: Go to next step
CHECK DTC OUTPUT (DRIVING SUPPORT ECU (PRE-COLLISION 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 [03/2014 - ] .
  OK
  
  "Pre-Collision 2" DTC is not output.
NG → See step 5

OK: Go to next step
CHECK DTC OUTPUT (PRE-COLLISION SYSTEM)
1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision / Trouble Codes.
2. Clear the DTCs. Refer to DTC CHECK / CLEAR [03/2014 - ] .
3. Recheck for DTCs.
  OK
  
  DTC B2090 is not output.
NG → See step 6

OK → See step 7
GO TO DYNAMIC RADAR CRUISE CONTROL SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE CHART [03/2014 - ]
GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [03/2014 - ]
REPLACE SEAT BELT CONTROL ECU. Refer to REMOVAL [03/2014 - ]
CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION). Refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2014 - ]