Mitsubishi 3000gt 1997 - ABS TROUBLESHOOTING; Notes Regarding Diagnosis

SERVICE
BRAKES
-
ABS
Troubteshooting
35-3
t
i.
ABS
TROUBLESHOOTTNG
STANDARD
FLOW
OF
DIAGNOSTIC
TROUBLESHOOTING
NOTES
WITH
REGARD
TO DIAGNOSIS
The
phenomena
listed
in
the following
table
are not
abnormal.
Diagnosis
detection
condition
can
vary
depending
on the
diagnosis
code.
{t
Verify
complaint
o Diagnosis
code
No
diagnosis
code
or MUT-ll
can't
communtcate
I
Reoccurs
I
c
VY
F""d,
I
l(Rerer
J
oiaonosis
cooe oisotaveol-
oes not
reoccur
"S""rb
a"d"
to P.35-4.)
iagnosis
code
displayed
-t
N
I
Read (and
write
down)
all
displayed
diagnosis
codes
and
tfre
service
ciata
(fault
duration
and
how
manv
times
memories
are
erased).
And
erase
them.
(Refer
to P.35-5.)
'
lnspection
chart for
trouble
symptoms
(Refer
to P.35-14.)
.----l-
t
No
Diagnosis
code
Read
trouble
codes
Diagnosis
code displayed
Inspection
chart for
diaqnosis
codes
(Refer
to P.35-6.)
I ntermittent
malfunction
Phenomenon
Explanation
of
phenomenon
When
starting
tfr"
"n
theengine
compartment,
but
this is
because
the
system
operation
check
is
deing
performed,
and is
not
an
abnormalitv.
1.
sound
of the motor
inside
the
ABS hydraulic
unit
operation (whine)
2.
sound
is
generated
atong
with vibration
of the
brake
pedal. (scrapfng;
3. When
ABS
operates,.sound
is
generated
from
the vehicle
chassis
oib
to repeated
brake
application
and release.
(Thump:
suspension;
squeak;
tyres)
For road
surfaces
rr"
for vehicles
with
ABS
can sometimes
be
longer
thanlhat
for
other
vehicles.
X.corJingty,
advise
the
customer
to
drive
safely
on such
ioads
by lowering
the
vehicle
speed
"nJ"not
being
too
overconf
ident.
System
check
sound
ABS
operation sound
ABS
operation
(Long
braking
distance)