Engine Coolant Temperature Sensor: Removal

Remove the collector cover.
Disconnect the ground cable from the battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connectors from the engine coolant temperature sensor.
Remove the engine coolant temperature sensor.

Fig 2: Locating Engine Coolant Temperature Sensor
Courtesy of SUBARU OF AMERICA, INC.