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

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DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0142 Lost Communication with Body Control Module "B"
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
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DESCRIPTION

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

  • CAN communication system

  • ECM

  • Air conditioning amplifier assembly
U0142 No communication with main body ECU (cowl side junction block LH)

  • CAN communication system

  • Main body ECU (cowl side junction block LH)

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

  • CAN communication system

  • Combination meter assembly

  • Air conditioning amplifier assembly
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PROCEDURE


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    CHECK CAN COMMUNICATION SYSTEM


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


      Table 1. Result
      Result Proceed to
      CAN DTC is not output A
      CAN DTC is output (for LHD) B
      CAN DTC is output (for RHD) C