LANE-KEEPING ASSIST SYSTEM, Diagnostic DTC:C1A01

DTC Code DTC Name
C1A01 Driving Support ECU

DESCRIPTION

The driving support ECU uses the object recognition camera sensor to detect the lane markers around the vehicle.

DTC Code DTC Detection Condition Trouble Area
C1A01 While the power switch is ON (IG) and the lane-keeping assist system is operating, the driving support ECU detects an internal malfunction for 1 second. Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

      Tech Tips

      If the detection conditions are not met, the system cannot detect the malfunction.


      1. Drive the vehicle at a 50 km/h (31 mph) or more, and operate lane-keeping assist system.

    2. Check for DTCs Click here.

      OK
      DTC C1A01 is not output.

    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here