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 output.

DTC Code DTC Detection Condition Trouble Area
C1A20 While engine switch is on (IG), driving support ECU receives information that there is malfunction in object recognition ECU for 1 second or more

  • Object recognition ECU

  • Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK OBJECT RECOGNITION ECU


    1. Temporarily replace the object recognition ECU with a new or normally functioning one Click here.

    2. Perform the object recognition camera sensor beam axis adjustment Click here.

    3. Clear the DTC Click here.

    4. Recheck for DTC Click here.

      OK
      C1A20 is not output

    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    END (OBJECT RECOGNITION ECU IS DEFECTIVE)