Labels:bulletin board | crt screen | road | window OCR: Data View Help Intake Air Temperature (IAT) Sensor Description and Operation Intake Air Temperature Sensor (IAT) Intake Air Tempe ature Sensor Image Intake Air Temperature Sens PURPOSE: The Intake Air Temperature {IAT} sensor is thermistor used by the ECM tO adjust fuel delivery and spark timing according to incoming air density OPERATION: The ECM supplies 5.0 volt signal to the IAT sensor through a resistor and measures the voltage By measuring the voltage the ECM can determine IAT Low intake air TEMPERATURE SENSO temper "ature produces high resistance while high intake air HARNFSS CONNECTOEE General Motors 92 93 Buick Century FW[ V6 3300 emperature asuring rature HARNESS Gener Centun