AIR CONDITIONING SYSTEM(for Manual Air Conditioning System), Diagnostic DTC:U0100, U0131, U0142, U0151, U0155

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0131 Lost Communication with Electric Power Steering ECU
U0142 Lost Communication with Body Control Module "B"
U0151 Lost Communication with Airbag ECU
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module

DESCRIPTION

The air conditioning amplifier assembly communicates with the ECM and meter ECU through the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 No communication with ECM

  • CAN communication system

  • ECM

  • Air conditioning amplifier assembly
U0131 No communication with power steering ECU

  • CAN communication system

  • Power steering ECU

  • Air conditioning amplifier assembly
U0142 No communication with main body ECU (multiplex network body ECU)

  • CAN communication system

  • Main body ECU (multiplex network body ECU)

  • Air conditioning amplifier assembly
U0151 No communication with airbag sensor assembly

  • CAN communication system

  • Airbag sensor assembly

  • Air conditioning amplifier assembly
U0155 No communication with combination meter assembly

  • CAN communication system

  • Combination meter assembly

  • Air conditioning amplifier assembly

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Use the GTS to check if the CAN communication system is functioning normally.


      Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (for LHD) B
      CAN DTC is output (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