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BRAKES - Anti-lock Braking System
(ABS) <FWD>
5-19
WHEN ASS FUNCTIONS
(HYDRAULIC
PRESSURE REDUCTION)
Since
the EeU
sends
~
pressure redl.lCing current
(pressure
reductiOllI
to the soleflOid valve when
the wheels are about
to
lock due to
use
of the
bra~es,
inlet port
@
of
the solenoid
valve is
closed
and outlet port
IB
is
opened.
As a
result.
brake fluid
in
the wheel
cylind
er
passes through
.
unit
tile outlet port and returns
to
the
reservoir.
When
the EeU
sends current to the solenoid, at the
same time
it drives
thi!
motor
pump and
sends
the brake fluid accumulated
in
the
reservoir to the
master cylinder.
At
this
t
ime
there
is
a
brake
ped~1
kickback that pushes
th
e
pedal back
~ Iightly
,
Mo,,",
eli"""
pr
~,
.u
r
.
R
~
s~rvoi<
pre ..
ure
-----
-------,
M
••
ter cliinder
,
,
,
,
••
,""S<
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