LIGHTING SYSTEM, Diagnostic DTC:U023A

DTC Code DTC Name
U023A Lost Communication With Image Processing Module "A"

DESCRIPTION

This DTC is stored when the CAN communication system is malfunctioning.

DTC No. DTC Detection Condition Trouble Area
U023A The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.

  • CAN communication system

  • Forward recognition camera

PROCEDURE


  1. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Main Body / Trouble Codes.

    5. Clear the DTCs.

      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Wait 20 seconds or more.

    4. Turn the GTS on.

    5. Enter the following menus: Body Electrical / Main Body / Trouble Codes.

    6. Check for DTCs.

      OK
      DTCs are not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here