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 engine coolant temperature sensor. Damage to the engine coolant temperature sensor will affect proper operation of the fuel injection system.

1. Disconnect the negative battery cable.
2. Drain the radiator coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
3. Disconnect the ECT sensor electrical connector (1) from the ECT sensor (3).
4. Remove the ECT sensor shield (2) from around the ECT sensor.
5. Remove the ECT sensor, from the engine.

INSTALLATION PROCEDURE

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. Hand start the ECT sensor (3) into the engine.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten
Tighten the ECT Sensor to 25 N.m (18 lb ft).

2. Connect the ECT sensor electrical connector (1) to the ECT sensor (3).
3. Install the ECT sensor shield around ECT sensor.
4. Refill the radiator with coolant. Refer to Draining and Filling Cooling system in Engine Cooling.
5. Connect the negative battery cable.
6. Start the engine.
7. Check for coolant leaks.
8. Check the coolant level.