Coolant Temperature Sensor (CTS)
WARNING: This page is about a different car, the 1996 Saab 9000. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition off. Disconnect sensor connector. Measure resistance between sensor terminals. Replace sensor if resistance is not to specification. See COOLANT TEMPERATURE SENSOR (CTS) RESISTANCE table.
COOLANT TEMPERATURE SENSOR (CTS) RESISTANCE (1)
| Temperature - °F (°C) | Ohms | |||
|---|---|---|---|---|
| Motronic System | ||||
| -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 | |||
| Trionic System | ||||
| -22 (-30) | 20,000-30,000 | |||
| -14 (-10) | 7000-11,400 | |||
| 68 (20) | 2100-2900 | |||
| 104 (40) | 1000-1300 | |||
| 140 (60) | 565-670 | |||
| 176 (80) | 295-365 | |||
| 194 (90) | 240-260 | |||
| 230 (110) | 140-160 | |||
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