Engine Coolant Temperature (ECT) Sensor Removal and Installation: Removal

Remove air cleaner assembly. See AIR CLEANER ASSEMBLY REMOVAL AND INSTALLATION
Disconnect negative cable at battery.
Drain coolant. See COOLING SYSTEM DRAINING .
WARNING: If the radiator cap is removed when the engine and radiator are still hot, extremely hot fluid and steam may spew out under pressure. This can cause severe burns.
Wait until the engine coolant temperature has lowered before removing the radiator cap.
Disconnect connector from ECT sensor (1).

Fig 1: Locating Connector For ECT Sensor
Courtesy of SUZUKI OF AMERICA CORP.
Remove ECT sensor from water outlet cap.