Coolant Temperature Sensor/Switch (For Computer): Service and Repair
ECT Sensor Replacement1. Drain the engine coolant.
2. Remove the air cleaner.
3. Disconnect the ECT sensor 2P connector (A).
4. Remove the ECT sensor (B).
5. Install the sensor in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant.