Intake Air Temperature (IAT) Sensor: Aerio
WARNING: This page is about a different car, the 2003 Suzuki XL-7, 2003 Suzuki Vitara, 2003 Suzuki Grand Vitara, and 2003 Suzuki Aerio. However, it is still accessible from the selected car via links, so may be relevant.
Measure resistance between IAT sensor terminals while it is immersed in a container of water. Heat water slowly and ensure resistance changes as specified. See IAT SENSOR RESISTANCE SPECIFICATIONS table. See Fig 1 . If resistance is not as specified, replace IAT sensor.