Coolant Temperature Sensor
- Unplug coolant temperature sensor. Sensor is located on left side of engine, in coolant outlet. Check resistance between sensor terminals at specified temperature. See COOLANT TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS table. Replace sensor if not within specification.
NOTE:
Coolant temperature sensor malfunctions may also set Codes 14 and 15. For additional testing information, see appropriate TESTS W/CODES
article in the ENGINE PERFORMANCE Section.
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 |