Engine Coolant Temperature (ECT) Sensor
WARNING: This page is about a different car, the 1997 Suzuki Esteem. However, it is still accessible from the selected car via links, so may be relevant.
Remove sensor from intake manifold and place in water with a thermometer. Heat water to specified temperature and check resistance. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR RESISTANCE table. Replace sensor if resistance is not within specification.
ENGINE COOLANT TEMPERATURE (ECT) SENSOR RESISTANCE
| Temperature °F (°C) | Ohms |
|---|---|
| 32 (0) | 5740 |
| 68 (20) | 2280-2610 |
| 104 (40) | 1150 |
| 140 (60) | 584 |
| 176 (80) | 303-326 |