Air Conditioning System (For Automatic Air Conditioning System) Diagnosis System

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

  1. DESCRIPTION

  1. CHECK DLC3

  1. LIST OF OPERATION METHODS

  1. INDICATOR CHECK

  1. SENSOR CHECK (DTC CHECK)

Air Conditioning System (For Automatic Air Conditioning System) -- Diagnosis System



DESCRIPTION

  1. Air conditioning system data and the Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform troubleshooting.


CHECK DLC3

  1. Check the DLC3 (Click here).


LIST OF OPERATION METHODS


  1. By operating each of the air conditioning control switches as shown in the diagram below, it is possible to enter diagnostic check mode.


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Diagnosis System


INDICATOR CHECK

  1. Turn the ignition switch off.

  2. Turn the ignition switch to ACC and wait at least 5 seconds.



    3. Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Diagnosis System

  3. Turn the ignition switch to ON while pressing the air conditioning control assembly "AUTO" switch and "Recirculation/Fresh" switch simultaneously. Hold both switches until the indicator check screen appears.

    Text in Illustration
    *a
    		Example


    4. Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Diagnosis System

  4. The indicator check is automatically performed when panel diagnosis is activated. Check that the indicators light up and go off 4 times at 1 second intervals continuously.

    HINT:
    1. The sensor check automatically starts when the indicator check is completed.
    2. Press the "OFF" switch to cancel check mode.
    Text in Illustration
    *a
    		Example

SENSOR CHECK (DTC CHECK)

  1. Start the engine and warm it up.

  2. Perform the indicator check.

    HINT:
    After the indicator check is completed, the system enters DTC check mode automatically.


    3. Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Diagnosis System

  3. Read the DTC displayed on the accessory meter display.

    Text in Illustration
    *a
    		Example
    *b
    		Diagnostic Trouble Code (DTC)
    NOTICE:
    In sensor check mode, which is automatically entered after indicator check mode, troubleshooting may be partially performed. Be sure to perform the sensor check again.
    HINT:
    Refer to Diagnostic Trouble Code Chart for details of the codes (Click here).
    1. When there are no problems, DTC 00 is output.
    2. As an example, the illustration shows that DTC 21 is output.


    4. Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Diagnosis System

  4. If the DTCs are difficult to read because they change automatically, push the driver side "TEMP (UP)" switch to display the DTCs one at a time so that they can be read easily. The DTCs change step by step each time the driver side "TEMP (UP)" switch is pushed.

    Text in Illustration
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    		Example
    HINT:
    Press the "OFF" switch to finish panel diagnosis.


  5. Clear DTCs



      Land Cruiser. Urj200, 202 Grj200 Vdj200.Heating Air Conditioning.Air Conditioning System (For Automatic Air Conditioning System).Air Conditioning System (For Automatic Air Conditioning System) Diagnosis System

    1. During the sensor check, press the "FRONT DEF" switch and "REAR DEF" switch simultaneously.

      Text in Illustration
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      		Example