Toyota Tundra Service Manual > Sfi System: Intake Air Temperature Sensor 1 Circuit Range / Performance (P0111)
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 ...
