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Intake Air Temperature (IAT) Sensor: Aerio

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.

Fig 1: Identifying Intake Air Temperature Sensor Resistance (Aerio)
G00174055Courtesy of SUZUKI OF AMERICA CORP.