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 123 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
BRAKES
[ABS
5
.3i
TYPE]
[T1
0C4]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
1~
\
v
ILIA
m(l
(l
n
!~
5r
J
%
B4M0430
1
10C1
I
CHECKGENERATOR
.I
1)
Start
the
engine
.
2)
Idle
the
engine
.
SUBARU LEGACY 1997 Service Repair Manual
BRAKES
[ABS
5
.3i
TYPE]
[T1
0C4]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
1~
\
v
ILIA
m(l
(l
n
!~
5r
J
%
B4M0430
1
10C1
I
CHECKGENERATOR
.I
1)
Start
the
engine
.
2)
Idle
the
engine
.](/manual-img/17/57434/w960_57434-122.png)
BRAKES
[ABS
5
.3i
TYPE]
[T1
0C4]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
1~
\
v
ILIA
m(l
(l
n
!~
5r
J
%
B4M0430
1
10C1
I
CHECKGENERATOR
.I
1)
Start
the
engine
.
2)
Idle
the
engine
.
3)
Measure
voltage
between
generator
and
chassis
ground
.
Terminal
Generator
B
terminal
(+)
-
Chassis
ground
(
)
:
CHECK
;
Is
the
voltage
between
10
and
15
V?
Go
tostep
10C2
.
No
:
Repair
generator
.
10C2
CHECK
BATTERY
TERMINAL
.
Turn
ignition
switch
to
OFF
.
CHECK
:
Is
there
poor
contact
at
battery
terminal?
,rES
:
Repair
battery
terminal
.
No
:
Go
to
step
10C3
.
10C3
CHECK
I
MONITOR
.
MMUNICATION
OF
SELECT
Using
the
select
monitor,
check
whether
communication
to
other
system(suchas
engine,
AT,
etc
.)
can
be
executed
normally
.
CHECK
:
Are
the
name
and
year
ofthe
system
dis-
played
on
theselect
monitor?
Go
to
step
10C4
.
No
:
Repair
select
monitor
communication
cable
and
connector
.
10C4
CHECK
I
CONNECTOR
.
INSTALLATION
OF
ABSCM&H/U
Turn
ignition
switch
to
OFF
.
CHECK
:
Is
ABSCM&HIU
connector
inserted
into
ABSCM&HlU
until
the
clamp
locks
onto
it?
Go
to
step
10C5
.
n~o
:
Insert
ABSCM&H/U
connector
into
ABSCM&H/U
until
the
clamp
locks
onto
it
.
105
Page 124 of 3342
4-4d
[T1ocs1
BRAKES
[ABS
5
.3i
TYPE]
10
.
DiagnosticsChart
with
Select
Monitor
F49
1
2
3L415161718
9
1
10
1
11
1
12
1
13
1
14
1
15
6171819
221
232425
26
I
U
71
28121301311
D
~
SC
B4M
1243A
I
10C5
I
CHECK
POWER
SUPPLY
OF
ABSCM&H/U
.
1)
Disconnect
connectorfrom
ABSCM&H/U
.
2)
Start
engine
.
3)
Idle
the
engine
.
4)
Measure
voltage
between
ABSCM&H/U
connector
and
chassis
ground
.
Connector
&
terminal
(F49)
No
.
1
(+)
-
Chassis
ground
(
)
:
CHECK
;
Is
thevoltage
between
10
and
15
V?
,rES
:
Go
to
step
10C6
.
No
:
Repair
ABSCM&H/U
power
supply
circuit
.
I
10C6
I
CHECK
GROUND
CIRCUIT
OF
ABSCM&H/U
.
1)
Turn
ignition
switch
to
OFF
.
2)
Measure
resistance
between
ABSCM&H/U
connector
and
chassis
ground
.
Connector
&
terminal
(F49)
No
.
23
-
Chassis
ground
:
CHECK
;
Is
theresistance
less
than0
.5
0?
Repair
harness/connector
between
ABSCM&H/U
and
select
monitor
.
No
:
Go
to
step
10C7
.
106
Page 125 of 3342
BRAKES
[ABS
5
.31
TYPE]
[710C8]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
(~§)
(~~o
1
2
3
4
5
171819
11
011
111
2113114115
1617184
2
212
23
2425
26
1
Q2
Y131
1
2n
171
9
.
1
D
Lt
10
0
.
B4M
1267A
10C7
CHECK
HARNESS/CONNECTOR
BETWEEN
ABSCM&H/U
AND
DATA
LINK
CONNECTOR
.
1)
Turn
ignition
switch
OFF
.
2)
Measure
resistance
between
ABSCM&H/U
connector
and
data
link
connector
.
Connector
&
terminal
(F49)
No
.
20
-
(B78)
No
.
3
:
(F49)
No
.
5
-
(B78)
No
.
2
:
CHECK
:
Is
the
resistance
less
than0
.5
SZ?
,rES
:
Repair
harness
and
connector
between
ABSCM&H/U
and
data
fink
connector
.
No
:
Go
to
step
10C8
.
(
10C8
I
CHECK
POOR
CONTACT
IN
CONNECTORS
.
CHECK
:
Is
there
poor
contact
in
connectors
between
ABSCM&HI
U
and
data
link
connector?
<
Ref
.
to
FOREWORD
[T3C1]
.*10>
,rES
:
Repair
connector
.
No
:
Replace
ABSCM&H/U
.
107
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 128 of 3342
4-4d
[T1
011361
BRAKES
[ABS
5
.3i
TYPE]
10
.
Diagnostics
Chart
withSelect
Monitor
1016
CHECK
I
POO
CONNECTOR
R
CONTACT
IN
ABSCM&H/U
CHECK
:
Is
there
poor
contact
in
ABSCM&HlU
connec-
tor?
<
Ref
.
to
FOREWORD
[T3C1]
.*10
>
ves
:
Repair
connector
.
No
:
Replace
ABSCM&H/U
.
110