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

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

The air conditioning amplifier communicates with the ECM, main body ECU (instrument panel junction block assembly), power steering ECU assembly and combination meter through the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 Lost communication with the ECM.

  • CAN communication system

  • ECM
U0131 Lost communication with the power steering ECU.

  • CAN communication system

  • Power steering ECU assembly
U0142 Lost communication with the main body ECU.

  • CAN communication system

  • Main body ECU (instrument panel junction block assembly)
U0155 Lost communication with the combination meter.

  • CAN communication system

  • Combination meter assembly
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INSPECTION PROCEDURE

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PROCEDURE


  1. Click here

    CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Clear the DTCs (Click here).

    2. Check for DTCs (Click here).

      OK
      CAN DTC is not output.

  2. Click here

    GO TO CAN COMMUNICATION SYSTEMClick here

  3. Click here

    USE SIMULATION METHOD TO CHECKClick here