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

ENGINE COOLANT TEMPERATURE (ECT) SENSOR REPLACEMENT

REMOVAL PROCEDURE




1. Relieve the coolant system pressure.
2. Disconnect the negative battery cable.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

3. Drain the coolant below the engine coolant temperature (ECT) sensor level.
4. Disconnect the ECT sensor connector.
5. Remove the ECT sensor.

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

INSTALLATION PROCEDURE




1. Install the ECT sensor.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the ECT sensor to 20 N.m (15 lb ft).

2. Connect the ECT sensor connector.
3. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System. Service and Repair
4. Connect the negative battery cable.