Engine Coolant Sensor
Disconnect engine coolant sensor. Connect an ohmmeter between engine coolant sensor and ground. As temperature increases, resistance will decrease. Resistance readings should be as specified in ENGINE COOLANT SENSOR SPECIFICATIONS table.
ENGINE COOLANT SENSOR SPECIFICATIONS
| Coolant Temperature °F (°C) | Resistance (Ohms) |
|---|---|
| -22 (-30) | 20, 300-33, 000 |
| 14 (-10) | 7600-10, 800 |
| 50(10) | 3250-4150 |
| 68(20) | 2250-2750 |
| 122(50) | 740-940 |
| 176(80) | 290-360 |