LANE-KEEPING ASSIST SYSTEM, Diagnostic DTC:C1A20

DTC Code DTC Name
C1A20 Object Recognition ECU

DESCRIPTION

When the driving support ECU receives information that there is a malfunction in the lane recognition camera sensor, DTC C1A20 is stored.

DTC Code DTC Detection Condition Trouble Area
C1A20 While the ignition switch is ON, the driving support ECU receives a signal indicating a malfunction in the lane recognition camera sensor for 1 second or more.

  • Lane recognition camera sensor assembly

  • Driving support ECU

PROCEDURE


  1. REPLACE LANE RECOGNITION CAMERA SENSOR ASSEMBLY


    1. Replace the lane recognition camera sensor Click here.


    NEXT

  2. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY


    1. Adjust the lane recognition camera sensor Click here.


    NEXT

  3. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Perform the following to make sure the DTC detection conditions are met.

      Tech Tips

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


      1. Drive the vehicle at a speed of 50 km/h (31 mph) or more.

      2. Turn the lane-keeping assist main switch on.

    3. Check for DTCs Click here.

      OK
      DTC C1A20 is not output.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    END (LANE RECOGNITION CAMERA SENSOR ASSEMBLY IS DEFECTIVE)

    B

    REPLACE DRIVING SUPPORT ECU Click here

    C

    REPLACE DRIVING SUPPORT ECU Click here