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Home >> Subaru >> 1994 >> Impreza Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Intake Air Temperature (IAT) Sensor
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Intake Air Temperature (IAT) Sensor

ECM applies reference voltage to a thermistor installed on air cleaner housing. Signal voltage increases and decreases with variations in air temperature.

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