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Engine Coolant Temperature Sensor: Removal

  1. DRAIN ENGINE COOLANT (See  ON-VEHICLE INSPECTION  ) 
  2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the sensor connector.
    2. Using SST, remove the sensor and gasket.

    SST 09817-33190 

    Fig 1: Removing Sensor And Gasket
    G04221343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002