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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Intake Air Temperature Sensor
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Intake Air Temperature Sensor

The Intake Air Temperature (IAT) sensor is located in the air cleaner duct. Sensor monitors temperature of incoming air. Sensor is a thermistor that increases (cold) or decreases (hot) its resistance in response to temperature changes.