LANE-KEEPING ASSIST SYSTEM, Diagnostic DTC:C1A22, C1A23

DTC Code DTC Name
C1A22 Object Recognition Camera Incorrect Axial Gap
C1A23 Object Recognition Camera Initialization Incomplete

DESCRIPTION

If the driving support ECU determines that the object recognition camera sensor's axis is deviated, DTC C1A22 is output. Also, if the camera beam axis adjustment is not performed after installing the object recognition camera sensor, DTC C1A23 is output.

DTC Code DTC Detection Condition Trouble Area
C1A22 While engine switch is on (IG), driving support ECU detects object recognition camera beam axis deviation for 1 second or more

  • Object recognition camera sensor

  • Object recognition ECU

  • Driving support ECU
C1A23 While engine switch is on (IG), driving support ECU detects that object recognition camera's adjustment has not been completed for 1 second or more

  • Object recognition camera sensor

  • Object recognition ECU

  • Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. ADJUST OBJECT RECOGNITION CAMERA SENSOR


    1. Adjust the object recognition camera sensor Click here.

    2. Clear the DTC Click here.

    3. Recheck for DTC Click here.

      OK
      DTC is not output.

    NG

    CHECK OBJECT RECOGNITION ECU Click here

    OK

    END

  2. CHECK OBJECT RECOGNITION ECU


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

    2. Adjust the object recognition camera sensor Click here.

    3. Check for DTC Click here.

    4. Clear the DTC Click here.

      OK
      DTC is not output.

    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    END (OBJECT RECOGNITION ECU IS DEFECTIVE)