With CONSULT-II
WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Check mass air flow sensor signal in "DATA MONITOR" mode with CONSULT-II.
- 2.0 - 6.0 g.m/sec: at idling
- 7.0 - 20.0 g.m/sec: at 2,500 RPM