Coolant Temperature Sensor/Switch (For Computer): Service and Repair

NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

REMOVAL PROCEDURE

IMPORTANT: Care must be taken when handling the Engine Coolant Temperature (ECT) sensor. Damage to the engine coolant temperature sensor will affect proper operation of the fuel injection system.

1. Turn OFF the ignition.
2. Drain the radiator coolant. Refer to Draining and Filling Cooling System in Cooling System.
3. Remove the ECT sensor shield (2) from around the ECT sensor.
4. Disconnect the ECT sensor electrical connector (1) from the ECT sensor (3).
5. Remove the ECT sensor from the engine.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.

IMPORTANT: Care must be taken when handling engine coolant temperature sensor. Damage to the engine coolant temperature sensor will affect proper operation of the fuel injection system.

1. Install the ECT sensor (3) into the engine.

Tighten
Tighten the ECT sensor to 25 Nm (18 lb ft).

2. Connect the electrical connector (1) to the ECT sensor (3).
3. Position the ECT sensor shield (2) around the ECT sensor.
4. Start the engine.
5. Fill the radiator with coolant. Refer to Draining and Filling Cooling System in Cooling System.
6. Check for coolant leaks.
7. Check the coolant level.