The IAT sensor does not meet the manufactures specifications. At 20*C its resistance is 2.1K ohms, when it should be 2k. At 80*C its resistance is 300 ohms, when it should be 20 ohms.This type of thermistor is an NTC.
As I've observed the air and coolant sensors, I've noticed that as the sensors get hotter the resistance drops.
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