Coolant Temperature Sensor Inspection
Remove sensor and immerse in water. Using ohmmeter, measure resistance while increasing water temperature. See COOLANT TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS. Replace sensor if resistance measured is not within specification.
COOLANT TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS
| Coolant Temperature °F (°C) | Ohms |
|---|---|
| -22 (-30) | 22,220-31,780 |
| 14 (-10) | 8160-10,740 |
| 32 (0) | 5180-6600 |
| 68 (20) | 2270-2730 |
| 104 (40) | 1059-1281 |
| 140 (60) | 538-650 |
| 176 (80) | 290-354 |
| 194 (90) | 217-269 |