AIR CONDITIONING SYSTEM(for Automatic Air Conditioning System)

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tip:

  • Use the following procedure to troubleshoot the air conditioning system.

  • *: Use the GTS.

PROCEDURE

  1. VEHICLE BROUGHT TO WORKSHOP

    Result

    Proceed to

    NEXT
    NEXT

  2. INSPECT BATTERY VOLTAGE

    1. Inspect the battery voltage.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

    Result

    Proceed to

    NEXT
    NEXT

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

    1. Using the GTS, check for CAN communication system DTCs.

      Result

      Result

      Proceed to

      CAN DTCs are not output

      A

      CAN DTCs are output

      B
    B

    GO TO CAN COMMUNICATION SYSTEM

    w/o Central Gateway ECU:Click here

    w/ Central Gateway ECU:Click here

    A

  4. CHECK FOR DTC*

    1. Check for DTCs and note any codes that are output.

      Body Electrical > Air Conditioner > Trouble Codes

    2. Clear the DTCs.

      Body Electrical > Air Conditioner > Clear DTCs

    3. Recheck for DTCs. Based on the DTCs output above, try to force output of the A/C system DTC by simulating the operation indicated by the DTC.

      Body Electrical > Air Conditioner > Trouble Codes

      Result

      Result

      Proceed to

      DTCs are not output

      A

      DTCs are output

      B
    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART

    Click hereClick here

    A

  5. PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table.

      Click hereClick hereClick here

      Result

      Result

      Proceed to

      Fault is not listed in Problem Symptoms Table

      A

      Fault is listed in Problem Symptoms Table

      B
    B

    ADJUST , REPAIR OR REPLACEClick here

    A

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Panel diagnosis (indicator check, sensor check).

    2. Data List / Active Test.

      Click here

    3. Terminals of ECU.

      Click here

    4. On-vehicle Inspection.

    5. Inspection.

    Result

    Proceed to

    NEXT
    NEXT

  7. ADJUST , REPAIR OR REPLACE

    Result

    Proceed to

    NEXT
    NEXT

    END