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Home >> Lexus >> 2021 >> ES 300h Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (A25A-FXS) - Service Information >> Engine Coolant Temperature Sensor >> Removal [08/2020 - 08/2021] >> Procedure
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Removal [08/2020 - 08/2021]: Procedure

  1. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 1

  2. REMOVE COOL AIR INTAKE DUCT SEAL 

    Refer to PROCEDURE - Step 1

  3. REMOVE INLET AIR CLEANER ASSEMBLY 

    Refer to PROCEDURE - Step 6

  4. REMOVE NO. 2 ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the No. 2 engine coolant temperature sensor connector.
      GTY762822Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the clip and No. 2 engine coolant temperature sensor from the radiator pipe.
      GTY762823Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      If the No. 2 engine coolant temperature sensor has been struck or dropped, replace it.

  5. REMOVE INVERTER WITH CONVERTER ASSEMBLY 

    Refer to REMOVAL [08/2020 - 08/2021]

  6. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the engine coolant temperature sensor connector.
      GTY773443Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the clip and engine coolant temperature sensor from the water outlet.
      GTY762824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:

      If the engine coolant temperature sensor has been struck or dropped, replace it.

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