ECT Sensor Inspection
Precautions: General safety (00)
Immerse temperature sensing part of ECT sensor (1) in water and measure resistance between sensor terminals while heating water gradually.
If measured resistance is not as specified, replace ECT sensor.
| 2. | Ohmmeter | 4. | Heater |
| 3. | Temperature gauge |
Reference resistance of ECT sensor
| Temperature | Resistance |
|---|---|
| 10 °C (50 °F) | Approx. 3.8 kΩ |
| 20 °C (68 °F) | Approx. 2.5 kΩ |
| 30 °C (86 °F) | Approx. 1.7 kΩ |
| 40 °C (104 °F) | Approx. 1.1 kΩ |
| 60 °C (140 °F) | Approx. 0.6 kΩ |
| 80 °C (176 °F) | Approx. 0.3 kΩ |