Engine Coolant Temperature (ECT) Sensor
Disconnect coolant temperature sensor connector. Measure resistance between sensor terminals at temperatures specified. See ENGINE COOLANT TEMPERATURE SENSOR RESISTANCE table.
ENGINE COOLANT TEMPERATURE SENSOR RESISTANCE
| Application |
Temperature |
Ohms |
| Impreza |
68°F (20°C) |
3000 |
| Impreza |
176°F (80°C) |
270 |