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Home >> Toyota >> 2021 >> Camry LE, FWD >> 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) >> Indicator does not Illuminate [06/2017 - 10/2020] >> Procedure

Indicator does not Illuminate [06/2017 - 10/2020]: Procedure

  1. CONFIRM MODEL 

    Result

    Result Proceed to
    for 8 Inch Display A
    for 7 Inch Display B

    Result: 

    See step  3

    Result: 

    See step  2

  2. CHECK AIR CONDITIONING CONTROL PANEL (RADIO AND DISPLAY RECEIVER ASSEMBLY) 
    1. Check that the switch indicators on the air conditioning control panel (radio and display receiver assembly) illuminate immediately after the engine is started.

      OK

      All switch indicators illuminate.

      Result

      Result
      OK
      NG

    Result: 

    OK 

    See step  4

    Result: 

    NG 

    REPLACE AIR CONDITIONING CONTROL PANEL (RADIO AND DISPLAY RECEIVER ASSEMBLY). Refer to  REMOVAL [06/2017 - 10/2020] 

  3. CHECK AIR CONDITIONING CONTROL ASSEMBLY 
    1. Check that the switch indicators on the air conditioning control assembly illuminate immediately after the engine is started.

      OK

      All switch indicators illuminate.

      Result

      Result
      OK
      NG

    Result: 

    NG 

    REPLACE AIR CONDITIONING CONTROL ASSEMBLY. Refer to  REMOVAL [03/2017 - 10/2020] 

    Result: 

    OK 

    See step  4

  4. READ VALUE USING TECHSTREAM 
    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 / Data List.
    5. Read the Data List according to the display on the Techstream.

      Body Electrical > Air Conditioner > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Ambient Temp Sensor Thermistor assembly Min.: -23.30°C (-9.94°F)
      Max.: 65.95°C (150.71°F)
      Actual ambient temperature displayed -

      Body Electrical > Air Conditioner > Data List 

      Tester Display
      Ambient Temp Sensor

      OK

      The value displayed is 0°C (32°F) or higher.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET 

    for HFC-134a (R134a): Refer to ON-VEHICLE INSPECTION [06/2017 - 10/2020]

    for HFO-1234yf (R1234yf): Refer to ON-VEHICLE INSPECTION [03/2017 - ]

    Result: 

    NG 

    GO TO OTHER DIAGNOSIS PROCEDURE (Ambient Temperature Display System). Refer to  Ambient Temperature Display System [03/2017 - ]