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Intake Air Temperature (IAT) Sensor

The Intake Air Temperature (IAT) Sensor is a temperature dependent resistor (thermistor). The resistance of the thermistor decreases as the intake air temperature increases. See Fig 1 .

Fig 1: Identifying Intake Air Temperature (IAT) Sensor Components & Resistance Specification Chart
G00097440Courtesy of AMERICAN HONDA MOTOR CO., INC.
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