•  Installed on the water bypass tube.

•  The ECT sensor is a thermistor type, the resistance changes according to the engine coolant temperature.

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1	ECT sensor
2	ECT sensor resistance characteristic
3	Resistance
4	Engine coolant temperature
5	Large
6	Small
7	Low
8	High

•  The resistance decreases if the engine coolant temperature increases, and increases if the engine coolant temperature decreases.