IA2 - Check Vane Air Flow (VAF) Meter Function
^ Visually check the Volume Air Flow (VAF) meter for cracks, loose mounting and damage to the electrical connector or the sealed plastic cover.
^ Remove the VAF meter and inspect the bottom plate for cracks or loose fasteners.
^ Verify that the measuring vane moves smoothly, and the vane springs shut when pushed forward and then released.
^ Is the VAF meter free of cracks, damage, restrictions, and measuring vane binding?
YES -- Go to IA5. IA5 - Resonance Chamber Condition
NO -- Replace the VAF meter.