MAF Sensor Inspection
- Remove MAF & IAT sensor. See MASS AIR FLOW (MAF) & Intake Air Temperature (IAT) Sensor Removal and Installation
- Connect battery (2) and voltmeter (3) to MAF & IAT sensor (1) as shown in figure.
- Check that voltage varies depending on amount of blowing air as the following graph.
If faulty condition is found, replace MAF & IAT sensor.