FORWARD RECOGNITION CAMERA SYSTEM, Diagnostic DTC:C1AAA

DTC Code DTC Name
C1AAA FCM Destination Information Uninitialized

DESCRIPTION

When the forward recognition camera is replaced with a new one, it stores the country specification information received from the main body ECU (multiplex network body ECU). If the forward recognition camera cannot store the country specification information, DTC C1AAA is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AAA FCM Destination Information Uninitialized 2 seconds after the ignition switch is turned ON, the forward recognition camera cannot store the vehicle specification information.

  • Main body ECU (Multiplex network body ECU)

  • Forward recognition camera

CAUTION / NOTICE / HINT

Note


  • Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).

  • If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

  • 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 Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust.

    Click here

Tech Tips

This DTC is stored when the forward recognition camera cannot store the country specification information received from the main body ECU (multiplex network body ECU). If the forward recognition camera or main body ECU (multiplex network body ECU) has been replaced, check if a forward recognition camera or main body ECU (multiplex network body ECU) from another vehicle was used.

PROCEDURE


  1. CHECK DTC OUTPUT (CAN COMMUNICATION DTC OUTPUT)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.

    5. Check for DTCs.

      Click here

      Result
      Result Proceed to
      DTC U0142 is not output A
      DTC U0142 is output B

    B

    GO TO CAN COMMUNICATION SYSTEM for LHD with Central Gateway ECU: Click here
    GO TO CAN COMMUNICATION SYSTEM for RHD with Central Gateway ECU: Click here

    A

  2. CHECK DTC OUTPUT


    1. Clear the DTCs.

      Click here


      Chassis > Front Recognition Camera > Clear DTCs

    2. Make sure that the following conditions are met.

      Tech Tips

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


      1. Wait 2 seconds or more after turning the ignition switch to ON.

    3. Check for DTCs.

      Click here


      Chassis > Front Recognition Camera > Trouble Codes
      Result
      Result Proceed to
      DTC C1AAA is output A
      DTC C1AAA is not output B

    B

    USE SIMULATION METHOD TO CHECK Click here

    A

  3. REPLACE FORWARD RECOGNITION CAMERA


    1. Replace the forward recognition camera.

      Click here

    2. Adjust the forward recognition camera.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  4. CHECK DTC OUTPUT


    1. Clear the DTCs.

      Click here


      Chassis > Front Recognition Camera > Clear DTCs

    2. Make sure that the following conditions are met.

      Tech Tips

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


      1. Wait 2 seconds or more after turning the ignition switch to ON.

    3. Check for DTCs.

      Click here


      Chassis > Front Recognition Camera > Trouble Codes
      Result
      Result Proceed to
      DTC C1AAA is output A
      DTC C1AAA is not output B

    A

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) for LHD: Click here
    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) for RHD: Click here

    B

    END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE)