Intake Air Temperature Sensor
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2002 Mercury Sable, 2002 Mercury Mountaineer, 2002 Mercury Grand Marquis, 2002 Mercury Cougar, and 2002 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
On some models, IAT sensor is part of Mass Airflow (MAF) sensor assembly. If all 6 terminals of MAF sensor connector are being used, IAT sensor is integral to MAF sensor. See WIRING DIAGRAMS article.
See TEST DA: TEMPERATURE SENSOR TEST (IAT, ECT & EOT) under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V - GASOLINE & NGV article for Intake Air Temperature (IAT) sensor testing procedures and specifications.