Honda Prelude 1993 Service Manual page 372

Intake Air System
System Description
The system supplies air lor all engine needs. lt consists of the Air Cleaner (ACL). intake air pipe, intake air duct, Throttle
Bodv {TB}, ldle Air Control (lAC) Valve, tast idle thermo valve, *lntake Air Bypass (lAB) Control System,
*intake control
system, and intake manifold. A resonator in the intake air pipe provides additional silencing as air is drawn into the system.
*: Except F22A1 engine (S)
.IAB
CONTROL
SOLENOID
VALVE
.tA8
VACUUM
TANK
?!t'----_'o
ECU |ECM) {'r 5 A' FUSE
PGM.FI MAIN RELAY
Xll'----'o
VARIOUS
SENSORS
INTAKE AIR DUCT
r|AB CONTROL
DIAPHRAGM
BODY
FAST
IOLE
THERMO
VALVE
:II{TAKE
SLK/
. TO ECU {ECM} (15 AI
YEL
- FUSE
INTAKE
AIR
PIPE
CONTROL
SOLENOID
VALVE
WHT
RESOI{ATOR
.If{TAKE
CONTROL
CHECK
VALVE
-1
32