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

DTC Code DTC Name
U0100 Lost Communication with ECM
U0131 Lost Communication with Electric Power Steering ECU
U0142 Lost Communication with Main Body ECU
U0155 Lost Communication with Combination Meter

DESCRIPTION

The air conditioning amplifier communicates with the ECM, main body ECU (multiplex network body ECU) and combination meter through the CAN communication system.

DTC No. DTC Detection Condition Trouble Area
U0100 Lost communication with ECM.

  • CAN communication system

  • ECM
U0131 Lost Communication with Electric Power Steering ECU.

  • CAN communication system

  • Electric Power Steering ECU
U0142 Lost Communication with Main Body ECU.

  • CAN communication system

  • Main body ECU (multiplex network body ECU)
U0155 Lost Communication with Combination Meter.

  • CAN communication system

  • Combination meter assembly

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


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

      OK
      CAN DTC is not output

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here