Engine Coolant Temperature Sensor: Removal: Removal

DRAIN ENGINE COOLANT .Refer to REPLACEMENT - Step 2
PRECAUTION
NOTE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work. Refer to PRECAUTION .
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
WARNING:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
REMOVE ENGINE COOLANT TEMPERATURE SENSOR
1. Disconnect the sensor connector.
  
  Fig 1: Removing Engine Coolant Temperature Sensor And Gasket Using SST
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using SST, remove the sensor and gasket.
  - SST: 09817-33190