Coolant Temperature Sensor (CTS)
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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