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Home >> Toyota >> 2021 >> Camry TRD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System (Auto A/C) - Diagnostic Codes (2 Of 2) & Symptom Tests (Except Hybrid) >> AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System) >> Front Window Fogging [03/2017 - 06/2017] >> Procedure

Front Window Fogging [03/2017 - 06/2017]: Procedure

  1. PERFORM REFRIGERANT SHORTAGE CHECK 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream 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 Techstream.
      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.

      Result

      Result Amount of Refrigerant
      Refrigerant correct Correct
      Refrigerant shortage Insufficient

      OK

      "Refrigerant correct" is displayed on Techstream.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CHARGE SYSTEM WITH REFRIGERANT. Refer to  REPLACEMENT [03/2017 - ] 

    Result: 

    OK 

    See step  2

  2. CHECK OPERATION 
    1. Press the front defroster switch on the air conditioning control panel (radio and display receiver assembly)*1 or air conditioning control assembly*2 and check that the air outlet mode changes to DEF mode.
      1. *1: for 8 Inch Display
      2. *2: for 7 Inch Display

      OK

      The air outlet mode changes to DEF mode.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET. Refer to  ON-VEHICLE INSPECTION [03/2017 - ] 

    Result: 

    NG 

    GO TO DTC B1443. Refer to  DTC B1443: Air Outlet Damper Control Servo Motor Circuit [03/2017 - ]