Mitsubishi 3000gt 1997 - ABS TROUBLE SYMPTOM INSPECTION CHART

35-14
SERVICE
BRAKES
-
ABS Troubleshooting
INSPECTION
CHART
FOR
TROUBLE SYMPTOMS
Get
an understanding
of
the trouble symptoms
and
check according
to the
inspection
procedure
chart.
Caution
1. lf
steering
movements are
made
when driving at
high speed,
or when driving
on
road
surfaces
with low
frictional
resistance, or
when
passing
over
bumps,
the ABS
may operate even
though
sudden
braking
is not being applied.
Because
of this,
when
getting
information
from the
customer,
check
if the
problem
occurred
while driving
under such
conditions
as these.
2. During ABS operation,
the brake
pedal
may
vibrate or
may not be able
to be depressed.
Such
phenomenaare
due
to intermittent
changes
in hydraulic
pressure
inside the brake
line
to
prevent
the wheels
from locking and
is
not
an abnormality.
Trouble symptom
Inspection
proceoure
No.
Reference
page
Communication
with MUT-II
is not
possible.
Communication
with
all
systems
is not
possible.
1 35-1
5
Communication
with ABS only
is not
possible.
2
JC- tO
When
the ignition
key is turned to
"ON"
(engine
stopped),
the
ABS warning
lamp
does
not illuminate.
3
35-17
After the engine starts,
the
lamp remains
illuminated.
4 35-17
Faulty
ABS operation
Unequal
braking
power
on both sides
Insufficient braking
power
ABS operates
under
normal braking conditions
5
35-1 8
ABS operates
before
vehicle stops under
normal brak-
ing
conditions
Large brake
pedalvibration
(Caution
2.)