Intake Air Bypass (IAB) Control System: Notes
WARNING: This page is about a different car, the 1996 Acura NSX-T, 1996 Acura NSX, 1995 Acura NSX-T, and 1995 Acura NSX. However, it is still accessible from the selected car via links, so may be relevant.
Satisfactory power performance is achieved by closing and opening the intake air bypass (IAB) control valves. High torque at low RPM is achieved when the valves are closed, whereas high power at high RPM is achieved by when the valves are opened. See Figure . For the troubleshooting flow chart, see Figure and Figure .
CAUTION:
Do not adjust the IAB control valve full-close screw. It is preset at the factory.