Toyota Tundra Service Manual: Parts Location

On-vehicle Inspection

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Toyota Tundra Service Manual > Sfi System: Intake Air Temperature Circuit Low Input (P0112,P0113)
DESCRIPTION The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF) meter, monitors the IAT. The IAT sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the IAT is low, the resistance of the thermistor increases. Whe ...