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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 666 (Automatic Transmission - 5R110W - Excursion & F250-F550 Super Duty) >> Description And Operation >> Transmission Electronic Control System >> Intake Air Temperature Sensor (IAT)

Intake Air Temperature Sensor (IAT)

WARNING: This page is about a different car, the 2004 Ford Pickup, 2004 Ford F550 Super Duty, 2004 Ford F450 Super Duty, 2004 Ford Excursion, and 2004 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The intake air temperature (IAT) sensor is a thermistor in which resistance changes with temperature. The electrical resistance decreases as the temperature increases. The IAT provides air temperature information to the powertrain control module (PCM) which is used to help determine transmission line pressure and shift scheduling.

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