Coolant Temperature Sensor
Turn ignition off. Unplug sensor connector. Sensor is threaded into intake manifold. Measure resistance between sensor terminals. Replace sensor if resistance is not as specified in appropriate ENGINE COOLANT TEMP SENSOR RESISTANCE table.
ENGINE COOLANT TEMP SENSOR RESISTANCE (900 SERIES)
| Temperature - °F (°C) |
Ohms |
| -22 (-30) |
20,000-30,000 |
| 68 (20) |
8300-10,600 |
| 104 (40) |
2300-2700 |
| 140 (60) |
565-670 |
| 176 (80) |
295-365 |
| 194 (90) |
200-240 |
| 230 (110) |
140-160 |
ENGINE COOLANT TEMP SENSOR RESISTANCE (9000 SERIES EXCEPT TURBO)
| Temperature - °F (°C) |
Ohms |
| 32 ( 0) |
5800 |
| 50 (10) |
3800 |
| 59 (15) |
3000 |
| 68 (20) |
2600 |
| 77 (25) |
2000 |
| 86 (30) |
1700 |
| 176 (80) |
320 |
ENGINE COOLANT TEMP SENSOR RESISTANCE (9000 SERIES TURBO)
| Temperature - °F (°C) |
Ohms |
| -22 (-30) |
20,000-30,000 |
| 14 (-10) |
8300-10,600 |
| 68 (20) |
2300-2700 |
| 104 (40) |
1000-1300 |
| 140 (60) |
560-670 |
| 176 (80) |
300-360 |