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Engine Coolant Temperature Sensor: Inspection
- Check that the engine coolant temperature sensor has no deformation, cracks or other damages.
- Immerse the engine coolant temperature sensor and a thermometer in water.
CAUTION:
Take care not to allow water to get into the engine coolant temperature sensor connector. Completely remove any water inside.
Courtesy of SUBARU OF AMERICA, INC.
- Raise water temperature gradually, measure the resistance between the engine coolant temperature sensor terminals when the temperature is 20°C (68°F) and 80°C (176°F).
NOTE:
Agitate the water for even temperature distribution.
Courtesy of SUBARU OF AMERICA, INC.
| Water temperature |
Terminal No. |
Standard |
| 20°C (68°F) |
1 and 2 |
2.45±0.2 kΩ |
| 80°C (176°F) |
0.318±0.013 kΩ |