PRE-CRASH SAFETY 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 axis of the lane recognition camera sensor has deviated, DTC C1A22 is stored. If the camera sensor beam axis adjustment is not performed after installing the lane recognition camera sensor, DTC C1A23 is stored.

DTC Code DTC Detection Condition Trouble Area
C1A22 While the ignition switch is ON, the driving support ECU detects that the axis of the lane recognition camera sensor beam has deviated for 1 second or more.

  • Lane recognition camera sensor assembly

  • Driving support ECU
C1A23 While the ignition switch is ON, the driving support ECU detects that lane recognition camera sensor adjustment has not been completed for 1 second or more.

  • Lane recognition camera sensor assembly

  • Driving support ECU

PROCEDURE


  1. ADJUST LANE RECOGNITION CAMERA SENSOR ASSEMBLY


    1. Adjust the lane recognition camera sensor Click here.


    NEXT

  2. 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 C1A22 and C1A23 are not output.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE DRIVING SUPPORT ECU Click here

    C

    REPLACE DRIVING SUPPORT ECU Click here