INTAKE AIR TEMPERATURE (IAT) SENSOR CONSTRUCTION/OPERATION [AJ (3.0L Duratec)]
BUE014018842N04
• Built into the MAF sensor.
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1
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IAT sensor
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2
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MAF sensor
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• The IAT sensor is a thermistor type in which the resistance changes according to the intake air temperature.
• As shown in the graph, the resistance decreases if the intake air temperature increases and conversely increases if the intake air temperature decreases.
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1
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Resistance
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2
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Temperature
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3
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High
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