Monitor SCANTOOL Data

Ignition "ON" & Engine "OFF".
Disconnect IAT sensor connector.
Connect Scantool and monitor the "INT. AIR TEMP. SNSR (V)" parameter on the Scantool data list.
Specification: Approx. 5V

Fig 1: Identifying Scantool Display
Courtesy of HYUNDAI MOTOR CO.
Is displayed IAT data near the specified value.?
YES : --> Possibility of sensor malfunction. Go to "COMPONENT INSPECTION " procedure.

NO : --> Possibility of signal circuit short to ground. Go to next step as below.