Intake Control System - Honda Prelude 1993 Service Manual

Intake Air System
Intake Control System [Except F22A1 engine (S)l
Description
The intake control svstem decreases air intake noise.
INTAKE CONTROI-
SOLENOID VALVE
BLK/
- TO ECU (ECMI ll5 Al
YEL
------?
FusE
II{TAKE CONTROL
VACUUM T
INTAKE CONTROL
CHECK VALVE
When the engine speed is below 4,OO0 rpm, the ECM provides ground for the intako control solenoid valv6. This opens
the solenoid valve sending intake manifold vacuum to the intake control diaphragm.
BLK
I
I
=
RESONATOR
11-134