Monitor Scantool Data

Ignition "ON" & Engine "OFF"
Disconnect IAT sensor connector
Connect Scantool and monitor the "IAT SENSOR" parameter on the Scantool data list.
1. Specification: Approx. 5V
  
  Fig 1: Monitoring IAT Sensor Parameter On Scantool Data List (Signal Circuit Open)
  
  Fig 2: Monitoring IAT Sensor Parameter On Scantool Data List (Signal Circuit Short To Ground)
Is displayed IAT data near the specified value?
YES
1. Possibility of sensor malfunction. Go to "COMPONENT INSPECTION " procedure.
NO
1. Possibility of signal circuit short to ground. Go to "W/HARNESS INSPECTION " procedure.