Mitsubishi 3000gt 1997 - ABS STOP LAMP SWITCH SYSTEM DIAGNOSIS

35-10
SERVICE
BRAKES
-
ABS
Troubleshooting
corle No-38 Stoo lamp
switch
system
Probable
cause
These
codes
are
output
at the
following
times:
a"
WH;ih;
iiop
ramp
swiicrr
is
not b5
turned
off
(when the
stop
lamp
switch
stavs
on
for
15
minLtes
dr
more
although
the
ABS
is
not operating)
.
wd;
inl
Aa6-ECU
Oetermines
inat
there
is an
opeh
circuil'in
harness
of
the
stop
lamp
switch
system.
Malfunction
of stop
lamp
switch
Malfunction
of
harness
or
connector
Malfunction
of
ABS-ECU
a
o
a
Stop
lamp
switch
inspection
Replace
the
stop
lamp
switch
Stop
lamp
switch
installation
inspection.
Does
the
stoP
lamP
illuminate
ancl
switch
oft
normallY?
Check
the
harness
between
dedicated
fuse
No.17
and
the
ABS-ECU'
and
repair
if necessary.
Measure
at
ABS-ECU
connector
E-1 0.
.
Disconnect
the connector
and
measure
at
the
harness
side.
.
Stop
lamp
switch
ON.
o
Voliage
6etween
36
-
bodY
earth
OK:
System
voltage
Check
the
following
connectors.
C-50,
C-65
and
C-79
Check
the
harness
between
stop
lamp
switch
and
the
ABS-ECU'
and
reparr
ll
necessary.
Check
the
following
connector.