DTC C1A01: Driving Support ECU [09/2014 - 10/2015]: Procedure

1. Clear the DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).
2. Check for DTCs (See page. Refer to DTC CHECK / CLEAR [09/2014 - 10/2015] ).

   OK

   DTC C1A01 is not output.

   NOTE:

   When replacing the driving support ECU, always replace it with a new one and be sure to perform initialization (See page. Refer to INITIALIZATION [09/2014 - 10/2015] ). If an ECU which was installed to another vehicle is used, the information stored in the ECU will not match the information from the vehicle, and as a result, a DTC may be stored.

Result:  OK

OK 

USE SIMULATION METHOD TO CHECK 

(See page. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] )

Result:  NG

NG 

REPLACE DRIVING SUPPORT ECU 

(See page. Refer to REMOVAL [09/2014 - 10/2015] )