HEADUP DISPLAY SYSTEM, Diagnostic DTC:U0142, U0163, U023A, U1104

DTC Code DTC Name
U0142 Lost Communication with Body Control Module "B"
U0163 Lost Communication with Navigation Control Module
U023A Lost Communication with Front Camera Module
U1104 Lost Communication with Driving Support ECU

DESCRIPTION


DTC Code DTC Detection Condition Trouble Area
U0142

  • DTC detection condition: IG+ voltage 9.5 V or higher

  • Malfunction status: Communication with main body ECU (multiplex network body ECU) lost

  • Malfunction duration: 3 seconds or more

  • CAN communication system

  • Main body ECU (multiplex network body ECU)

  • Meter mirror sub-assembly
U0163

  • DTC detection condition: IG+ voltage 9.5 V or higher

  • Malfunction status: Communication with radio receiver assembly lost

  • Malfunction duration: 3 seconds or more

  • Meter mirror sub-assembly

  • Multi-media module receiver assembly

  • Meter mirror sub-assembly
U023A

  • DTC detection condition: IG+ voltage 9.5 V or higher

  • Malfunction status: Communication with forward recognition camera lost

  • Malfunction duration: 10 seconds or more

  • CAN communication system

  • Forward recognition camera

  • Meter mirror sub-assembly
U1104

  • DTC detection condition: IG+ voltage 9.5 V or higher

  • Malfunction status: Communication with driving support ECU is lost

  • Malfunction duration: 10 seconds or more

  • CAN communication system

  • Driving support ECU

  • Meter mirror sub-assembly

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.


    NEXT

  2. CHECK FOR DTC


    1. Check if DTCs are output.


      OK
      DTCs U0142, U0163, U023A and U1104 are not output.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) 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