Engine Coolant Temperature (ECT) Sensor
Remove sensor from intake manifold and place in water with a thermometer. Heat water to specified temperature and check resistance. See ENGINE COOLANT TEMPERATURE (ECT) SENSOR RESISTANCE table. Replace sensor if resistance is not within specification.
ENGINE COOLANT TEMPERATURE (ECT) SENSOR RESISTANCE
| Temp. - °F (°C) | Ohms | |||
|---|---|---|---|---|
| Samurai, Sidekick & Swift SOHC | ||||
| 32 (0) | (1) 5880 | |||
| 68 (20) | 2210-2690 | |||
| 104 (40) | 1140 | |||
| 140 (60) | 580 | |||
| 176 (80) | 290-350 | |||
| Swift DOHC | ||||
| 14 (-14) | 7000-11,400 | |||
| 68 (20) | 2100-2900 | |||
| 122 (50) | 680-1000 | |||
| 176 (80) | 290-350 | |||
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