Coolant Temperature Sensor
NOTE:
Coolant temperature sensor malfunctions may set Code 14 or 15. For more information, see TESTS W/CODES - 3.2L EFI
article.
- Unplug coolant temperature sensor. Sensor is located on rear of engine, in coolant transfer tube Sensor connector contains Gray and Gray/Black wires.
- Check resistance between sensor terminals at specified temperature. See COOLANT TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS table. Replace sensor if it is not within specification.
COOLANT TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS
| Temperature °F (°C) | Ohms |
|---|---|
| -40 (-40) | 100,700 |
| 0 (-18) | 25,000 |
| 20 (-7) | 13,500 |
| 40 (4) | 7500 |
| 70 (21) | 3400 |
| 100 (38) | 1800 |
| 160 (71) | 450 |
| 210 (99) | 185 |