AIR CONDITIONING SYSTEM(for Manual Air Conditioning System) UTILITY


  1. REFRIGERANT HIGH PRESSURE HISTORY CLEAR


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Press the OFF switch.

    4. Turn the GTS on.

    5. Enter the following menus: Body Electrical / Air Conditioner / Utility / Refrigerant High Pressure History Clear.


      Body Electrical > Air Conditioner > Utility
      Tester Display
      Refrigerant High Pressure History Clear

  2. REFRIGERANT SHORTAGE CHECK USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Air Conditioner / Utility / Refrigerant Gas Volume Check.


      Body Electrical > Air Conditioner > Utility
      Tester Display
      Refrigerant Gas Volume Check

    5. Check that the following conditions are met and perform the refrigerant shortage check according to the display on the GTS.

      Measurement Condition:
      Item Condition
      A/C switch On
      Ambient temperature* 0 to 49°C (32 to 120°F)
      Blower speed HI

      *: If the ambient temperature is not within the range shown, do not perform this check.

      Tech Tips


      • Refer to the GTS operator's manual for further details.

      • A message indicating a refrigerant shortage is displayed on the GTS and the air conditioning system turns off if the amount of refrigerant in the system is insufficient.

      • DTCs are not stored when performing the refrigerant shortage check using the GTS.

      Result:
      Result Amount of Refrigerant Corrective Action
      Refrigerant shortage Insufficient

      1. Check for refrigerant leaks using a halogen leak detector, and repair if necessary.

      2. Evacuate the air conditioning system and charge it with the appropriate volume of new or purified refrigerant.

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      Refrigerant correct Correct -