LANE DEPARTURE ALERT SYSTEM, Diagnostic DTC:C1AA9

DTC Code DTC Name
C1AA9 Front Camera Module Beam Axis Not Adjusted

DESCRIPTION

If the camera sensor beam axis adjustment is not performed after installing the forward recognition camera, DTC C1AA9 is stored.

DTC No. DTC Detection Condition Trouble Area
C1AA9 2 seconds after the engine switch is turned on (IG), the forward recognition camera detects that forward recognition camera adjustment has not been completed. Forward recognition camera

CAUTION / NOTICE / HINT

Note


  • When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.

  • If the forward recognition camera has been replaced with a new one, be sure to perform forward recognition camera learning Click here.

PROCEDURE


  1. CHECK DTC OUTPUT (LANE DEPARTURE ALERT SYSTEM)


    1. Check if the stored DTCs are current DTCs.

    2. Connect the GTS to the DLC3.

    3. Turn the engine switch on (IG).

    4. Turn the GTS on.

    5. Enter the following menus: Chassis / LKA/LDA / Trouble Codes.

    6. Make sure that the following conditions are met.

      Tech Tips

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


      1. Turn the engine switch on (IG) and wait 2 seconds or more.

    7. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC C1AA9 is output A
      DTC C1AA9 is not output B

    B

    USE SIMULATION METHOD TO CHECK Click here

    A

  2. PERFORM FORWARD RECOGNITION CAMERA OPTICAL AXIS LEARNING


    1. Adjust the forward recognition camera Click here.


    NEXT

  3. CHECK DTC OUTPUT (LANE DEPARTURE ALERT SYSTEM)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / LKA/LDA / Trouble Codes.

    5. Clear the DTCs Click here.

    6. Make sure that the DTC detection conditions are met.

      Tech Tips

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


      1. Turn the engine switch on (IG) and wait 2 seconds or more.

    7. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC C1AA9 is not output. A
      DTC C1AA9 is output. B

    A

    END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE)

    B

    REPLACE FORWARD RECOGNITION CAMERA Click here