Mitsubishi Eclipse Workshop Manual page 416

35-14
SERVICE BRAKES
- Anti-skid Braking System
Troubleshooting
B
I
ABS warning lamp illuminated after the engine is started and remains
on.
IExplanation]
This is the symptom when the ABS
ECU
does not
power up due to
broken
ECU
power circuit.
etc.,
when the fail safe function
operates
and
isolates
the
system
or when the warning lamp drive circuit
is short circuited.
lHintl
Check the diagnosis output and if there is no output
voltage
or
if
the
MUT and ABS
ECU
cannot
communicate, there
is a
good possibility that power
is not flowing to the
ECU.
Caution
.
lf there is no output of trouble
codes, there
is
a
good possibility that the
fail
safe
is
functioning.
MAIN
FUSIBLE
L|NK
@)
lTFlABsEcu
lrhl
@
Hffi
fffirfl
@
COMBINATION
METER
Eifrrmsd
dh
ffim
ffi
ffiffi
ls
there
diagnosis output?
(ls
there
communication
with
MUT?)
CONTINUE TO
NDCT
PAGE
Does diagnosis code output
display normal
codes?
Check using the
trouble
code check chart (Refer
to
P.35-9.)
Does
the ABS warning lamp
remain illuminated
even
with
the
ECU
connector
discon-
nected?
Does
the ABS warning lamp
remain illuminated
even
with
the
ECU connector
discon-
nected?
Short
in
HU
harness or
sticking
of
valve
relay
contact
Short in harness between
HU
or
ECU
and ABS
warning
lamp
O
faitr6frha
ilotor
Corpor.taon
:
.: '.Ja;1,-f
.
'
PmrE9010