Engine Coolant Temperature (ECT) Sensor
Disconnect ECT sensor harness connector. Using a DVOM, measure resistance between ECT sensor terminals. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR table.
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
| Coolant Temp. °F (°C) | Voltage (1) | Resistance: K-ohms | ||
|---|---|---|---|---|
| 14 (10) | 4.4 | 7.0-11.4 | ||
| 68 (20) | 3.5 | 2.1-2.9 | ||
| 122 (50) | 2.2 | .68-1.00 | ||
| 194 (90) | 1.0 | .236-.260 | ||
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