FORWARD RECOGNITION CAMERA SYSTEM, Diagnostic DTC:C1AAC

DTC Code DTC Name
C1AAC Vehicle Information Unmatched

DESCRIPTION

When the forward recognition camera is replaced with a new one, the new forward recognition camera attempts to store the vehicle information received from the ECM. If the vehicle information stored in the forward recognition camera is different from that stored in the ECM, DTC C1AAC is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AAC Vehicle Information Unmatched After the ignition switch is turned to ON for 3 seconds or more, the vehicle information received from the ECM and that stored in the forward recognition camera do not match for 5 seconds or more.

  • SFI system

  • 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 adjustment.

    Click here

PROCEDURE


  1. CHECK FOR DTCs (SFI SYSTEM)

    Tech Tips

    If DTC C1AAC is stored, the SFI system may be malfunctioning. Check for DTCs related to the SFI system first.


    1. Check for DTCs.


      1. for 2AR-FE:


        Powertrain > Engine and ECT > Trouble Codes

      2. for A25A-FKS, 2GR-FKS:


        Powertrain > Engine > Trouble Codes
      Result
      Result Proceed to
      SFI system DTCs are not output A
      SFI system DTCs are output B

    B

    GO TO SFI SYSTEM for 2AR-FE: Click here for A25A-FKS: Click here for 2GR-FKS: Click here

    A

  2. CHECK FOR DTCs (FORWARD RECOGNITION CAMERA SYSTEM)


    1. Clear the DTCs.


      Chassis > Front Recognition Camera > Clear DTCs

    2. Perform the following procedure.

      Tech Tips

      If the following procedure is not performed, the previously output DTC cannot be detected.


      1. Turn the ignition switch to ON and wait 8 seconds or more.

    3. Check for DTCs.


      Chassis > Front Recognition Camera > Trouble Codes
      Result
      Result Proceed to
      DTC C1AAC is not output A
      DTC C1AAC is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE FORWARD RECOGNITION CAMERA Click here