Air Conditioning System (For Automatic Air Conditioning System) Check Mode Procedure

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Heating Air Conditioning. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. REFRIGERANT GAS VOLUME CHECK IN NORMAL OPERATION (CHECK A/C SWITCH INDICATOR AND DTC)

  1. REFRIGERANT GAS VOLUME CHECK USING THE GTS

Air Conditioning System (For Automatic Air Conditioning System) -- Check Mode Procedure



REFRIGERANT GAS VOLUME CHECK IN NORMAL OPERATION (CHECK A/C SWITCH INDICATOR AND DTC)

  1. Start the engine.

  2. Check that the "A/C" switch indicator remains on when the following conditions are met.

    Measurement Condition
    Item
    		Condition
    A/C Switch
    		On
    A/C operation time
    		15 minutes or more
    Ambient temperature*
    		0 to 49°C (32 to 120°F)
    Engine coolant temperature
    		45°C (113°F) or higher
    *: If the ambient temperature is not within the range shown, do not perform this check.

    HINT:
    The A/C switch indicator and air conditioning system turn off if the amount of refrigerant in the system is insufficient.

  3. Connect the GTS to the DLC3.

  4. Check for DTC B14B8.

    Result
    Result
    		Amount of Refrigerant
    		Corrective Action
    DTC B14B8 is output
    		Empty or nearly empty
    		Check for refrigerant leaks using a halogen leak detector and repair if necessary (Click here).
    DTC B14B8 is not output
    		Correct or insufficient
    		Perform a refrigerant gas volume check using the GTS.


REFRIGERANT GAS VOLUME CHECK USING THE GTS

  1. Connect the GTS to the DLC3.

  2. Start the engine.

  3. Turn the GTS on.

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

  5. According to the display on the GTS, perform the refrigerant gas volume check when the following conditions are met.

    Measurement Condition
    Item
    		Condition
    A/C Switch
    		On
    Ambient temperature*
    		0 to 49°C (32 to 120°F)
    R/F switch
    		Fresh (Ambient temperature is 31°C [87°F] or higher)
    Recirculation (Ambient temperature is 30°C [86°F] or less)
    Engine coolant temperature
    		45°C (113°F) or higher
    *: If the ambient temperature is not within the range shown, do not perform this check.

    HINT:
    1. Refer to the GTS operator's manual for further details.
    2. A message indicating the refrigerant gas volume is displayed on the GTS and the air conditioning system turns off if the amount of refrigerant in the system is insufficient.
    3. DTCs are not stored when performing the refrigerant gas volume check using the GTS.

    Result
    Result
    		Amount of Refrigerant
    		Corrective Action
    DTC B14B8 is output
    		Empty or nearly empty
    		Check for refrigerant leaks using a halogen leak detector and repair if necessary (Click here).
    DTC B14B8 is not output
    		Correct or insufficient
    		Perform a refrigerant gas volume check using the GTS.