Mitsubishi Eclipse Workshop Manual page 426

3s-24
SERVICE BRAKES
- Anti-skid Braking System
Troubleshooting
TR OU
BLESHOOTT
NG (ABS-4WDI
Confirm condition in the
following way and diagnosis accordingly.
e
o
Does the ABS warning lamp illuminate as described
below up
to the time the
engine
starts?
(1)When the ignition key is turned to
the
"ON"
position. the ABS warning lamp illuminates for
approximately
1
second due to the ABS ECU (as
a
self check
of
the valve relays
is
performed).
then it blinks four times and goes out and
stays
out.
(2)
With the ignition key in the 'START'
position.
power
to the
ABS
ECU
is interrupted and the
ABS
warning
lamp remains
lit
because
the valve
relay is
OFF.
(3) When
the ignition
key
is
turned from
the
"START' position to the "ON" position. the
ABS
warning lamp illuminates
for
approximately
1
second (during this time a recheck of the
valve
relays
is
performed),
then
it
blinks four
times
and then goes out and stays out.
14AO59.1
CONTINUE
TO
NEXT
PAGE
ABS warning lamp
bulb is burnt
out.
Open in ABS warning lamp electrical
circuit
(check for
blown
fuse)
ABS
warning lamp does
not light up
at
all.
ON
OFF
ST
ON
ACC.
LOCK
Check using
flor
chart
A
(Refer
to
P.35-29.)
When the ignition key
is
tumed to the
"ON" position,
it remains lighted.
ABS
warnrng
lamp
lgnition
key
ON
OFF
ST
ON
ACC,
LOCK
o
Fail safe
is functioning due to
ECU
self diagnosis
.
Short
in
ECU
warning lamp drive
circuit
.
Malfunction of
ECU
Check using
flornr
chart B
(Refer
to
P.35-32.)
ON
OFF
sr
ON
LOCK
Does not illuminate when ignition key is
in
"START" position.
.
Malfunction of valve
relay
.
Break
in
harness between
ABS
warning lamp and
HU
o
Break
in
harness between HU
and
body
earth
Check using
floru
chart C
(Refer
to
P.35-34.)
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Motorr
Gorporation
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