DTC C1A06: Stop Light Switch Input Circuit: Procedure

CHECK DTC OUTPUT
1. Using the Techstream, enter the following menus: All ECUs / Lane Keeping Assist / Trouble Codes.
2. Clear the DTCs. Refer to DTC CHECK / CLEAR .
3. Turn the power switch off.
4. Turn the power switch on (IG).
5. Drive the vehicle and operate lane keeping assist control.
6. Recheck for DTCs. Refer to DTC CHECK / CLEAR .
  OK
  
  DTC C1A06 is not output.
NG → See step 3

OK → See step 2
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
REPLACE DRIVING SUPPORT ECU. Refer to REMOVAL