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Home >> Lexus >> 1994 >> LS 400 >> Repair and Diagnosis >> 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

IAT sensor is part of volume airflow sensor. ECM applies a reference voltage to IAT sensor, which is a variable resistor. ECM uses voltage signal to control fuel injection duration.