Page 121 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
BRAKES
[ABS
5
.31
TYPE]
[T10B0]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
B
:
LIST
OF
TROUBLE
CODE
Code
Display
screen
(FBi)
Contents
of
diagnosis
Ref
.
to
-
ERROR
3
(1)
Select
monitor
comm SUBARU LEGACY 1997 Service Repair Manual
BRAKES
[ABS
5
.31
TYPE]
[T10B0]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
B
:
LIST
OF
TROUBLE
CODE
Code
Display
screen
(FBi)
Contents
of
diagnosis
Ref
.
to
-
ERROR
3
(1)
Select
monitor
comm](/manual-img/17/57434/w960_57434-120.png)
BRAKES
[ABS
5
.31
TYPE]
[T10B0]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
B
:
LIST
OF
TROUBLE
CODE
Code
Display
screen
(FBi)
Contents
of
diagnosis
Ref
.
to
-
ERROR
3
(1)
Select
monitor
communication
failure
[T10COJ*10
11
NO
TROUBLE
Although
no
trouble
appears
on
the
select
monitor
display,
the
ABS
warning
light
remains
on
.
[T10D0]*10
21
FR
.
SS
HARD
Open
circuit
orinput
voltage
too
high
of
FR
sensor
[T10E0]*10
22
FR
.
SS
SOFT
Abnormal
ABS
sensor
signal
of
FRsensor
[T1010J*10
23FL
.
SS
HARD
Open
circuit
orinput
voltage
too
high
of
FLsensor
[T10F0]*10
24FL
.
SS
SOFT
Abnormal
ABS
sensor
signal
of
FL
sensor
[T10J0]*10
25
RR
.
SS
HARD
Open
circuit
orinput
voltage
too
high
of
RR
sensor[T10G0]*10
26
RR
.
SS
SOFT
Abnormal
ABS
sensor
signal
of
RR
sensor[T10K0]*10
27
RL
.
SS
HARD
Open
circuit
orinput
voltage
too
high
of
RL
sensor
[T10H0]tr10
28
RL
.
SS
SOFT
Abnormal
ABS
sensor
signal
of
RL
sensor
[T10L0]*10
29
EITHER
.
SS
SOFT
Abnormal
ABS
sensor
signal
(any
one
of
four)
JT10M0]{r10
31
FR
.
EV
VALVE
Abnormal
FR
inlet
valve
[T10N0]*10
32
FR
.
AV
VALVE
Abnormal
FR
outlet
valve
[T10R0]*10
33
FL
.
EV
VALVE
Abnormal
FL
inlet
valve
[T1000]*10
34
FL
.
AV
VALVE
Abnormal
FL
outlet
valve
[T10S0]xr10
35
RR
.
EV
VALVE
Abnormal
RR
inlet
valve
[T10P0]*10
36
RR
.
AV
VALVE
Abnormal
RR
outlet
valve
[T10T0]*10
37
RL
.
EV
VALVE
Abnormal
RL
inlet
valve
[T10QO]*10
38
RL
.
AV
VALVE
Abnormal
RL
outlet
valve[T10U0]tr10
41
ECU
Abnormal
ABSCM&H/U
[T10V0)*10
42
LOW
VOLTAGE
Source
voltage
is
low
.
[T10W0]tr10
HIGH
VOLTAGE
Source
voltage
is
high
.
[T10X0]*10
44
CCM
LINE
A
combination
of
AT
control
abnormals
(ABS
not
in
control)
[T10Y0]*10
CCM
OPEN
A
combination
of
AT
control
abnormals
(ABS
in
control)
[T10Z0]*10
V
.
RELAY
Abnormal
valve
relay
[T10AA0]*10
51
V
.
RELAY
ON
Valve
relay
ON
failure
[T10AB0]*10
M
.
RELAY
OPEN
Open
circuit
of
motor
relay
[T10AC0]*10
52
M
.
RELAY
ON
Motor
relay
ON
failure
[T10AD0]tr10
MOTOR
Abnormal
motor
[T10AE0]*10
54
BLS
Abnormal
stop
light
switch
[T10AF0]*10
G
SENSOR
LINE
Open
or
short
circuit
of
G
sensor
[T10AG0]*10
G
SENSOR
+B
Battery
short
of
G
sensor
[T10AH0]*10
56
G
SENSOR
H
~x
Abnormal
G
sensor
high
V
output
[T10A10]*10
G
SENSOR
STICK
I
G
sensor
output
is
stuck
.
[T10AJ0]*10
NOTE
:
High
~t
means
high
friction
coefficient
against
road
surface
.
103
Page 122 of 3342
4-4d
[Tioco]
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
with
Select
Monitor
*~k*~k~~*~k***~k~k~k
ERROR
3
84M0943
C
:
ERROR
3
(1)
-
SELECT
MONITOR
COMMUNICATION
FAILURE
-
DIAGNOSIS
:
Faulty
harness
connector
TROUBLE
SYMPTOM
:
"
ABS
warning
light
remains
on
.
"
ERROR
3
or
1
appears
on
the
select
monitor
display
.
WIRING
DIAGRAM
:
F49
ABS
control
module
and
hydrauliccontrol
unit
S8F-4
818
Data
link
connector
FL1.258
8100
878
F49
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
1
10
1
11
1
12
1
13
1415
1116
1
17
1
18
1
19
1
20
12
1
2
23
425
96
49
~0L_LLl~J
1116
1
17
1
18
1
19
1
20
12
1
2
23
45
26
1
1
1
1
41
11
9
0
128
293031
84M1266
f2
8100
Fuse
IGNsw
No
.18o-
104
Generator
Page 126 of 3342
4-4d
[TioDo]
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
withSelect
Monitor
D
"
ALL
11
(FBI)
NO
TROUBLE
B4M0944
D
:
NO
TROUBLE
-
ALTHOUGHNO
TROUBLE
APPEARS
ON
THESELECT
MONITOR
DISPLAY,
THE
ABS
WARNING
LIGHT
REMAINS
ON
-
DIAGNOSIS
:
*
ABS
warning
light
circuit
is
shorted
.
TROUBLE
SYMPTOM
:
"
ABS
warning
light
remains
on
.
"
NO
TROUBLE
displayed
on
the
select
monitor
.
NOTE
:
When
the
ABS
warning
light
is
OFF
and
"NO
TROUBLE"
is
displayed
on
the
select
monitor,
thesystem
is
in
normal
condition
.
WIRING
DIAGRAM
:
F49
F2
8100
ABS
control
module
and
hydraulic
control
unit
Fuse
No
.18
Fuse
C
:0
No
.15
ABS
Combination
meter
oDiagnosis°
E
connector
g
Diagnosis
terminal
IGN
sw
SBF-4
FL1
.25B
r
w
m
Fuse
SBF-3
No
.
19
981
BI00
121314
IC
;
;l
EEL
r-1
M
~1
1
111
2
1
1
31141
1
10
46
i14
1
1
12131
4
1516
111
i2
F19
1234567891111131415
1819
201122
23
4
2526
M78
1
27,9
1
30
13
11
84M1230
I
108
Page 127 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
BRAKES
[ABS
5
.31
TYPE]
[T10D5]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
00000
~
oooii
00000
n
0000^JO~001
00
(III
`B4M1237A
B4M1236A
I
F2
9
1817161
54
3
2
l
9
B
7
6543
211
~
84M
1236 SUBARU LEGACY 1997 Service Repair Manual
BRAKES
[ABS
5
.31
TYPE]
[T10D5]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
00000
~
oooii
00000
n
0000^JO~001
00
(III
`B4M1237A
B4M1236A
I
F2
9
1817161
54
3
2
l
9
B
7
6543
211
~
84M
1236](/manual-img/17/57434/w960_57434-126.png)
BRAKES
[ABS
5
.31
TYPE]
[T10D5]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
00000
~
oooii
00000
n
0000^JO~001
'00
(III
`'B4M1237A
B4M1236A
I
F2
9
1817161
54
3
2
l
9
B
7
6543
211
~
84M
1236A
1ODII
I
CHECK
WIRING
HARNESS
.
1)
Turn
ignition
switch
to
OFF
.
2)
Disconnect
connector
(F2)
from
connector
(B100)
.
3)
Turn
ignition
switch
to
ON
.
CHECK
:
Does
the
ABS
warning
light
remain
off?
Go
to
step
10132
.
No
:
Repair
front
wiring
harness
.
10D2
CHECK
PROJECTION
AT
ABSCM&H/U
.
1)
Turn
ignition
switch
to
OFF
.
2)
Disconnect
connector
from
ABSCM&H/U
.
3)
Check
for
broken
projection
at
the
ABSCM&H/U
termi-
nal
.
CHECK
:
Are
the
projection
broken?
Go
to
step
103
.
No
:
Replace
ABSCM&H/U
.
1
10D3
I
CHECKABSCM&H/U
.
Measure
resistance
between
ABSCM&H/U
terminals
.
Terminals
No
.
21
-
No
.
23
:
!s
the
resistance
more
than
1
MS2?
Go
to
step
1101134
.
No
:
Replace
valve
relay
.
1
10134
1
CHECK
WIRING
HARNESS
.
I
Measure
resistance
between
connector
(F2)
and
chassis
ground
.
Connector
&
terminal
(F2)
No
.
9
-
Chassis
ground
:
is
the
resistance
less
than
0
.5
S2?
Go
to
step
10135
.
o
:
Repair
harness
.
1
10D5
I
CHECK
WIRING
HARNESS
.
I
1)
Connect
connector
to
ABSCM&H/U
.
2)
Measure
resistance
between
connector
(F2)
and
chas-
sis
ground
.
Connector
&
terminal
(F2)
No
.
9
-
Chassis
ground
:
Is
the
resistance
more
than
1
mil?
Go
tostep
10D6
.
Repair
harness
.
109
F2
.
Page 191 of 3342
4-4d
[r1oaFa1
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
withSelect
Monitor
B4M0972
AF
:
TROUBLE
CODE
54
BLS
-
ABNORMAL
STOP
LIGHT
SWITCH
-
DIAGNOSIS
:
e
Faulty
stop
light
switch
TROUBLE
SYMPTOM
:
9
ABS
does
not
operate
.
WIRING
DIAGRAM
:
f49
F2
8100
ABS
control
module
and
hydraulic
control
unit
Fuse
SBF-3
FL1
.25B
No
.12
Stop
I
fight
switch
w
U
OV
tt
31311
(
E
B64
(Without
cruise
control)
865
(With
cruise
control)
B64
865
8100
F49
123456789101112131415
1
14
617
1
16
1
17
1
18
1
19
1
20
1
21
1
22
L
3
181
9
1
10
1
4
2526
1
2
4
1
1
11121131
14
1
1
51
161
11
1
81
1
91
20
1
q2
7
1281
29
13013
1
1
B4M1258
182
Page 192 of 3342
BRAKES
[ABS
5
.3i
TYPE]
[T10AF3J
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
BLS
(F09)
0
.
00
v
B4M0973
I
BLS
(F09)
12
.
00
V
84M1265
10AF1
HECKOUTPUT
OF
STOP
I
US
G
SELECT
MONITOR
.
LIGHT
SWITCH
1)
Press
[F],
[0]
and
[9]
on
the
select
monitor
.
2)
Depress
the
brake
pedal
3)
Read
the
stop
light
switch
output
on
the
select
moni-
tor
display
.
CFIECK
:
Is
the
reading
indicated
on
monitor
display
less
than
1
.5
V?
Go
to
step
10AF2
.
No
:
Go
to
step
10AF3
.
10AF2-
I
LIGHT
SWITCH
US
I
NG
SELECT
MONITOR
.
1)
Release
the
brakepedal
.
2)
Read
the
stop
light
switch
output
on
the
select
moni-
tor
display
.
CHECK
:
Is
the
reading
indicated
on
monitor
display
between
10
V
and
15
V?
0
:
Go
to
step
10AF5
.
No
:
Go
to
step
10AF3
.
1
10AF3
I
CHECK
IF
STOPLIGHTS
COME
ON
.
Depress
the
brake
pedal
.
CHECK
:
Do
stop
lights
turn
on?
Go
to
step
10AF4
.
No
:
Repair
stop
lightscircuit
.
183
Page 193 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
4-4d
fr1oAFa1
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
withSelect
Monitor
10AF4I
CHECK
OPEN
CIRCUIT
IN
HARNESS
.
1)
Turn
ignition
switch
to
OFF
.
2)
Disconnect
connector
from
ABSCM&H/U
.
3 SUBARU LEGACY 1997 Service Repair Manual
4-4d
fr1oAFa1
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
withSelect
Monitor
10AF4I
CHECK
OPEN
CIRCUIT
IN
HARNESS
.
1)
Turn
ignition
switch
to
OFF
.
2)
Disconnect
connector
from
ABSCM&H/U
.
3](/manual-img/17/57434/w960_57434-192.png)
4-4d
fr1oAFa1
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
withSelect
Monitor
10AF4I
CHECK
OPEN
CIRCUIT
IN
HARNESS
.
1)
Turn
ignition
switch
to
OFF
.
2)
Disconnect
connector
from
ABSCM&H/U
.
3)
Depress
brakepedal
.
4)
Measure
voltage
between
ABSCM&H/U
connector
and
chassis
ground
.
Connector
&
terminal
(F49)
No
.
2
-
Chassis
ground
:
CHECK
:
Is
thevoltage
between
10
V
and
15
V?
,rES
:
Go
tostep
10AF5
.
No
:
Repair
harness
between
stop
light
switch
and
ABSCM&H/U
connector
.
1
10AF5
I
CHECK
POOR
CONTACT
IN
CONNECTORS
.
CHECK
:
Is
there
poor
contact
in
connector
between
stop
light
switch
and
ABSCM&HIU?
<
Ref,
to
FOREWORD
[T3C1]
.*10
>
vES
:
Repair
connector
.
No
:
Go
tostep
10AF6
.
10AF6
I
CHECK
ABSCM&H/U
.
1)
Connect
all
connectors
.
2)
Erase
the
memory
.
3)
Perform
inspection
mode
.
4)
Read
out
the
trouble
code
.
Is
the
same
trouble
code
as
in
thecurrent
diagnosis
still
being
output?
Replace
ABSCM&H/U
.
No
:
Go
to
step
10AF7
.
I10AF7
CHECK
ANY
1APPEARANCE
.THER
TROUBLE
CODES
CHECK
:
Are
other
trouble
codes
being
output?
Proceed
with
the
diagnosis
corresponding
to
the
trouble
code
.
No
:
A
temporary
poor
contact
.
184
Page 216 of 3342
6-3
[113soa1
WIRING
DIAGRAM
6
.
Wiring
Diagram
6
.
Wiring
Diagram
4
.
ANTI-LOCK
BRAKE
SYSTEM
CombinationStop
light
To
Power
Supply
Routing
meter
switch
FB-5
SBF-6FB-35FB-22FB-30FB-20
ABS
indicator
FUSE
No
.19
SBF
HOLDER
FUSE
No
.18
FUSE
No
.15
FUSE
k12
FUSE
No
.15
c
:
i14
*
:
With
cruise
control
D
T1
+
:
B65
~~'
B64
i1
B37
w
----------------
r----------
--
--
-----------
F73
(Black)
B65
(Black)
F49
B64
12
456789107112131415
1
4
1
16
1
17
1
118
1
1
21
20
1
21
1
22
[
23242526
U7
1
28
1
29
1
30
13
11
1
i14
i2
1
4
M_
8510
1
456
89
1
10
1
111
1
1
21
1
~
111
1
1415161
119202122
BU82-04A
2
ABS
control
module
and
hydraulic
control
module