Mitsubishi Eclipse Workshop Manual page 409

SERVICE BRAKES -
Anti-skid Braking System
Troubleshooting
35-7
o
o
o
o
I
a
No.
Trouble condition Major
causes
Remedy
4
After the ignition
key is
turned to the
"ON"
position,
it blinks once
and
then
illuminates
when
it
is
turned to the
"START" position. When the
key
is
returned to
the
"ON"
position, the light
blinks
again. (Blinking with the
ignition
key
in
the "ON"
position
is synchronized
with operation
noise of the valve
relay.)
ABS
waming
ramp
lgnition
kev
ON
ACC.
LOCK
o
Break
in
harness
{or
ECU
warning
lamo drive circuit
o
Malfunction
of
ECU
Check, usrng
{low
chart D.
(Re{er lo
P.35-
1
7.)
CONTINUED
FROM
PREVIOUS
PAGE
Does the ABS warn
ng lamp
illuminate
Yes
Trouble
with the
motor
re.
lay, solenoid valve [due to
self
test when driving
above
6 km/h
(4
mph)l
or malfunc-
tion of wheel speed sensor
when starttng
to
drl ve
the carl
No
ls
there
one-sided brakino. insufficient
No
CONTINUE TO
NEKT
PAGE
braking
lorce
or
nalfunction
of
ABS
vPgl
Yes
Trouble condition Major
causes
Remedy
On+sided
braking
lnsufficient braking force
e
Mechanical lock
of
HU
solenoid valve
r
Hydraulic
line
in HU is
clogged.
Check HU operation (Refer to
P.35-10.) and,
if
necessary.
replace
HU.
lf
HU
is
normal, check struc-
tural parts for
normal braking.
Decline in ABS
function
(Wheels easily lock
when there is
sud-
den
braking.)
r
Malfunction in HU solenoid valve
op
eration
o
Hydraulic
line
in HU is
clogged.
ABS sometimes functions even when
there is no sudden braking. (ABS opera-
tion vibration is
transmitted.)
o
Insufficient wheel speed sensor out-
put voltage (sensor malfunction, too
large
a gap between sensor rotor
or
missing rotor teeth
or
temporarily
broken
wire in
sensor
harness)
o
Malfunction
of
ABS
ECU
Check wheel speed sensor
(Refer
to
P.35-90.) and, if
necessary, replace
sensor. ad-
just gap or
replace rotor.
lf tests
indicate that there
arg.
no
mechanical
or
electricaf-
failures. replace th€
ECU.
,
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PWUE9010