Engine Coolant Temperature (ECT) Sensor
Remove ECT sensor. Place sensor and thermometer in container of water. Connect ohmmeter between sensor terminals. Slowly heat water. Note resistance at specified temperatures. See ECT SENSOR RESISTANCE . Replace sensor as necessary.
ECT SENSOR RESISTANCE
| Temperature - °F (°C) | Ohms |
|---|---|
| 176 (80) | 317-325 |
| 68 (20) | 2200-2700 |
| -4 (-20) | 14,600-17,800 |