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Engine Coolant Temperature (ECT) Sensor 1/Engine Coolant Temperature (ECT) Sensor 2

The ECT sensor 1/ECT sensor 2 is a temperature dependent resistor (thermistor). The resistance of the thermistor decreases as the engine coolant temperature increases.

Fig 1: Identifying ECT Sensor
G03692931Courtesy of AMERICAN HONDA MOTOR CO., INC.
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