Calculated Air Flow
WARNING: This page is about a different car, the 2008 Suzuki Reno, 2008 Suzuki Forenza, 2007 Suzuki Reno, and 2007 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.
The calculated air flow is a calculation based on manifold absolute pressure. The calculation is used in several diagnostics to determine when to run the diagnostics.