Engine Coolant Temperature Sensor
Disconnect ECT sensor connector. Immerse ECT sensor in hot water. Check resistance between ECT sensor terminals. See ECT SENSOR RESISTANCES table.
ECT SENSOR RESISTANCE
| Temperature - °F (°C) | Ohms |
|---|---|
| 32 (0) | 5100-6500 |
| 68 (20) | 2100-2700 |
| 104 (40) | 900-1300 |
| 176 (80) | 260-360 |