Ldle Control System - Honda Civic Service Manual

ldle Control System
System Description
The idle speed ot the engine is controlled by the ldle Air Control (lAC) Valve.
The valve changes the amount of air bypassing into the intake manifold in response to electric current controlled bv the
ECM/PCM. When the IAC Valve is activated, the valve opens lo maintain the proper idle speed.
D16Y5, D16Y8, Br6A2 engine (M/T):
(ROTARYI
tac vat-vE
EI{GINE
cooLAI{T
VARIOUS
sEI{SORS
VARIOUS
SENSORS
INTAKE MANIFOTD
Dl6Ys {CVTl, D16Y8 engine lA/T):
D16Y7 engine:
{ROTABY)
;iy--, - ---<fltitf.trj
INTAKE
MANIFOLD
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