Engine Coolant Temperature Sensor: Removal

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
DRAIN ENGINE COOLANT (See REPLACEMENT )
REMOVE ENGINE COOLANT TEMPERATURE SENSOR
1. Disconnect the engine coolant temperature sensor connector.
  
  Fig 1: Identifying Engine Coolant Temperature Sensor Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using SST, remove the engine coolant temperature sensor.
  SST 09817-33190
  
  Fig 2: Identifying Engine Coolant Temperature Sensor
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002