Engine Coolant Temperature Sensor: Removal

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

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