Acura 1994 Integra Service Manual page 311

Intake Air Bypass (lABl Control System tBl8C1 enginel
Osscription
Two air intake paths are provided in the intake manifold to allow the selection of the intak€ path most favc
given engine speed.
Satisfactory power peformanc€ is achieved by closing and opening the intake air bypass (lAB) control valve!
que at low RPM is acheived when the valves are closed, whereas high power at high RPM is achieved by when
8re oDeneo.
IAB CONTROL
VALVES
To PGM-FI
MAIN RELi
IAB
CHECK VALVE
t favorabl€ for a
vslves. High tor-
when the valves
RELAY
(cont'dl
1 1-1 23