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

Engine Coolant Temperature Sensor Replacement

Removal Procedure




1. Relieve the coolant system pressure.

Caution: Refer to Battery Disconnect Caution Battery Disconnect Caution.

2. Disconnect the negative battery cable.

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

3. Disconnect the engine coolant temperature (ECT) sensor connector.
4. Remove the ECT sensor from the electronic ignition (EI) system ignition coil adapter.

Installation Procedure




1. Coat the threads of the ECT sensor with sealer.

Notice: Refer to Fastener Notice Fastener Notice.

2. Install the ECT sensor into the EI system ignition coil adapter.

Tighten the engine coolant temperature sensor to 20 Nm (15 lb ft).

3. Connect the ECT sensor connector.
4. Fill the coolant system.
5. Connect the negative battery cable.