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Home >> Honda >> 2007 >> Ridgeline RTL >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Fuel And Emissions Systems >> System Description >> PGM-FI System >> Engine Coolant Temperature (ECT) Sensor 1/Engine Coolant Temperature (ECT) Sensor 2

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

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

Fig 1: Identifying Engine Coolant Temperature (ECT) Sensor 1/Engine Coolant Temperature (ECT) Sensor
G03688518Courtesy of AMERICAN HONDA MOTOR CO., INC.