Vehicle Identification And Serial Numbers VEHICLE IDENTIFICATION AND SERIAL NUMBERS 1. VEHICLE IDENTIFICATION NUMBER (a) The vehicle identification number is stamped on the vehicle identification number plate and certification label, as shown in the illustrations. (1) Vehicle Identification Number Plate  (2) Certification Label  (3) Frame Number  2. ENGINE SERIAL NUMBER AND TRANSMISSION SERIAL NUMBER (a) The engine serial number is stamped on the cylinder block of the engine and the transmission serial number is stamped on the housing as shown in the illustrations. (1) Engine Serial Number  (2) Transmission Serial Number  |
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 ...
