Engine Coolant Temperature (ECT) Sensor
Disconnect ECT sensor wiring harness connector. Using DVOM, measure resistance between sensor terminals. See ECT SENSOR RESISTANCE . Replace sensor if resistance is not as specified.
ECT SENSOR RESISTANCE
| Temperature | Ohms |
|---|---|
| 68°F (20°C) | 2200-2700 |
| 104°F (40°C) | 1000-1300 |
| 140°F (60°C) | 500-650 |
| 176°F (80°C) | 290-350 |