LIGHTING SYSTEM, Diagnostic DTC:U0142, U023A

DTC Code DTC Name
U0142 Lost Communication with Body Control Module "B"
U023A Lost Communication With Image Processing Module "A"

DESCRIPTION

This DTC is output when the forward recognition camera is determined to have a CAN communication malfunction.

DTC Code DTC Detection Condition Trouble Area
U0142 Lose communication with main body ECU (multiplex network body ECU) CAN communication system
U023A Communication malfunction detected in forward recognition camera (automatic high beam sensor) CAN communication system

PROCEDURE


  1. CHECK VEHICLE TYPE


    1. Check vehicle type.

      Result
      Result Proceed to
      for LHD A
      for RHD B

    B

    CHECK FOR DTC Click here

    A

  2. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC U0142 or U023A is not output.
      Result
      Result Proceed to
      OK A
      NG (for LHD with Central Gateway ECU) B
      NG (for LHD without Central Gateway ECU) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

  3. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC U0142 or U023A is not output.
      Result
      Result Proceed to
      OK A
      NG (for RHD with Central Gateway ECU) B
      NG (for RHD without Central Gateway ECU) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here