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 object recognition ECU, DTC C1A20 is stored.

DTC Code DTC Detection Condition Trouble Area
C1A20 While the power switch is ON (IG), the driving support ECU receives a signal indicating a malfunction in the object recognition ECU for 1 second or more.

  • Object recognition ECU

  • Driving support ECU

PROCEDURE


  1. REPLACE OBJECT RECOGNITION ECU


    1. Replace the object recognition ECU Click here.


    NEXT

  2. ADJUST OBJECT RECOGNITION CAMERA


    1. Adjust the object recognition camera Click here.


    NEXT

  3. 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 C1A20 is not output.

    OK

    END (OBJECT RECOGNITION ECU IS DEFECTIVE)

    NG

    REPLACE DRIVING SUPPORT ECU Click here