LANE-KEEPING ASSIST SYSTEM, Diagnostic DTC:C1A01

DTC Code DTC Name
C1A01 Driving Support ECU

DESCRIPTION

The driving support ECU uses the front millimeter wave radar sensor to detect obstacles in front of the vehicle and the direction that the driver's head is facing.

DTC Code DTC Detection Condition Trouble Area
C1A01 While initial check is running, engine switch is on (IG) and system is operating, driving support ECU detects an internal malfunction for 2 seconds. Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTC Click here.

    2. Clear the DTC Click here.

    3. Recheck for DTC Click here.

      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 Click here. 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.


    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here