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

Wiring Diagram:

PRELIMINARY STEP
Drain engine coolant.

REMOVE OR DISCONNECT
1. Negative (-) battery cable.
2. Engine Coolant Temperature (ECT) sensor electrical connector.
3. ECT sensor from engine coolant inlet housing.

INSTALL OR CONNECT
1. ECT sensor to engine coolant inlet housing.
2. ECT sensor electrical connector.
3. Refill engine coolant to proper level.
4. Negative (-) battery cable. Tighten negative (-) battery cable-to-negative battery terminal retainer to 15 Nm (11 lb. ft.).