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Home >> Volvo >> 1995 >> 940 Base, 4D Sedan, AW71L >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - Turbo >> Computerized Engine Controls >> Input Devices >> Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor

Engine Coolant Temperature (ECT) sensor is a negative temperature coefficient type, meaning its resistance lessens as temperature increases. Four cylinder sensor unit has 2 resistors. One resistor is connected to fuel injection ECU and the other resistor is connected to the ignition ECU.