Page 153 of 3342
4-4d
[TIoM131
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
with
Select
Monitor
10M13
I
CHECK
ABSCM&H/U
.
1)
Turn
ignition
switch
to
OFF
.
2)
Connect
all
connectors
.
3)
Erase
the
memory
.
4)
Perform
inspection
mode
.
5)
Read
out
the
trouble
code
.
CHECK
:
Is
the
same
trouble
codeas
in
thecurrent
diagnosis
still
being
output?
,res
:
Replace
ABSCM&H/U
.
No
:
Go
to
step
10M14
.
10M14
CHECK
ANY
OTHER
TROUBLE
CODES
APPEARANCE
.
CHECK
:
Are
other
trouble
codes
being
output?
0
:
Proceed
with
the
diagnosis
corresponding
to
the
trouble
code
.
No
:
A
temporary
poor
contact
.
136
Page 154 of 3342
4-4d
[T10N0]
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
with
Select
Monitor
D
"
NEW
31
(FBI)
FR
.
EV
VALVE
B4M0953
D
"
NEW
33
(FBI)
FL
.
EV
VALVE
84M0954
D
"
NEW
35
(FBI)
RR
.
EV
VALUE
B4M0955
D
"
NEW
37
(FBI)
RL
.
EV
VALVE
B4M0956
N
:
TROUBLE
CODE
31
FR
.
EV
VALVE
-
ABNORMAL
FRONT
RH
INLET
SOLENOID
VALVE
-
O
:
TROUBLE
CODE
33
FL
.
EV
VALVE
-
ABNORMAL
FRONT
LH
INLET
SOLENOID
VALVE
-
P
:
TROUBLE
CODE
35
RR
.
EV
VALVE
-
ABNORMAL
REARRH
INLET
SOLENOID
VALVE
-
Q
:
TROUBLE
CODE
37
RL
.
EV
VALVE
-
ABNORMAL
REAR
LH
INLET
SOLENOID
VALVE
-
138
Page 155 of 3342
BRAKES
[ABS
5
.31
TYPE]
[T10Q0]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
DIAGNOSIS
:
Faulty
harness/connector
Faulty
inlet
solenoid
valve
TROUBLE
SYMPTOM
:
9
ABS
does
notoperate
.
WIRING
DIAGRAM
:
F49
SBF-4
FL1
.258
ABS
control
module
and
hydraulic
control
unit
f2
B100
IGN
sw
No
Fuse
8100
F49
1234567891011113141
1
46
10
1
16
1
17
1
18
1
19
1
20
1
212
!23
242526
11121
1
161
18192
q
27
1
28
1
29
1
30
13
1
1
84M1245
I
139
Generator
Page 156 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
4-4d
[T1oQil
BRAKES
[ABS
5
.31
TYPE]
10
.
DiagnosticsChart
with
Select
Monitor
1
112131415161718
0
11
121131141
5
116117118119120121
23
2425
26
7128129[301311
1
C
-_
B4M
1243A
1
1001
I
CHECK
INP SUBARU LEGACY 1997 Service Repair Manual
4-4d
[T1oQil
BRAKES
[ABS
5
.31
TYPE]
10
.
DiagnosticsChart
with
Select
Monitor
1
112131415161718
0
11
121131141
5
116117118119120121
23
2425
26
7128129[301311
1
C
-_
B4M
1243A
1
1001
I
CHECK
INP](/manual-img/17/57434/w960_57434-155.png)
4-4d
[T1oQil
BRAKES
[ABS
5
.31
TYPE]
10
.
DiagnosticsChart
with
Select
Monitor
1
112131415161718
0
11
121131141
5
116117118119120121
23
2425
26
7128129[301311
1
C
-_
B4M
1243A
1
1001
I
CHECK
INPUT
VOLTAGEOFABSCM&H/U
.
1)
Turn
ignition
switch
to
OFF
.
2)
Disconnect
connectorfrom
ABSCM&H/U
.
3)
Run
theengine
at
idle
.
4)
Measure
voltage
between
ABSCM&H/U
connector
and
chassis
ground
.
Connector
&
terminal
(F49)
No
.
1
(+)
-
Chassis
ground
(-)
:
CHECK
;
Is
thevoltage
between
10
V
and
15
V?
,res
:
Go
to
step
1002
.
No
:
Repair
harness
connector
between
battery,
igni-
tion
switch
and
ABSCM&H/U
.
11002
1
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
the
resistance
less
than
0
.5
S2?
Go
to
step
1003
.
No
:
Repair
ABSCM&H/U
ground
harness
.
11003
1
CHECK
POOR
CONTACT
IN
CONNECTORS
.I
Is
there
poor
contact
in
connectors
between
generator,
battery
and
ABSCM&HlU?
<
Ref
.
to
FOREWORD
[T3CI]
.*10
>
Repair
connector
.
No
:
Go
to
step
10Q4
.
140
Page 157 of 3342
BRAKES
[ABS
5
.31
TYPE]
[T10Q5]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
~1004
l
CHECK
ABSCM&HIU
.
1)
Connect
all
connectors
.
2)
Erase
the
memory
.
3)
Perform
inspection
mode
.
4)
Read
out
the
trouble
code
.
CHECK
;
Is
the
same
trouble
code
as
in
thecurrent
diagnosis
still
being
output?
Replace
ABSCM&H/U
.
No
:
Go
to
step
1005
.
CHECK
ANY
APPEARANCE
.THER
TROUBLE
CODES
5
I
Are
other
trouble
codes
being
output?
Proceed
with
the
diagnosis
corresponding
to
the
trouble
code
.
No
:
A
temporary
poor
contact
.
141
Page 158 of 3342
4-4d
[T1oRO1
BRAKES
[ABS
5
.31
TYPE]
10
.
DiagnosticsChart
with
Select
Monitor
D
"
NEW
32
(FBI)
FR
.
AV
VALVE
84MO958
I
D
"
NEW
34
(FBI)
FL
.
AV
VALVE
B4M0959
I
D
"
NEW
36
(FBI)
RR
.
AV
VALVE
B4M0960
I
D
"
NEW
38
(FBI)
RL
.
AV
VALVE
B4M0961
J
R
:
TROUBLE
CODE
32
FR
.
AV
VALVE
-
ABNORMAL
FRONT
RH
OUTLET
SOLENOID
VALVE
-
S
:
TROUBLE
CODE
34
FL
.
AV
VALVE
-
ABNORMAL
FRONT
LH
OUTLET
SOLENOID
VALVE
-
T
:
TROUBLE
CODE
36
RR
.
AV
VALVE
-
ABNORMAL
REAR
RHOUTLET
SOLENOID
VALVE
-
U
:
TROUBLE
CODE
38
RL
.
AV
VALVE
-
ABNORMAL
REAR
LH
OUTLET
SOLENOID
VALVE
-
142
Page 159 of 3342
BRAKES
[ABS
5
.31
TYPE]
[Tiouo]
4-4d
10
.
Diagnostics
Chart
with
Select
Monitor
DIAGNOSIS
:
Faulty
harness/connector
Faulty
outlet
solenoid
valve
TROUBLE
SYMPTOM
:
*
ABS
does
not
operate
.
WIRING
DIAGRAM
:
F49
SBF-4
FL1
.25B
ABS
control
module
and
hydraulic
control
unit
F2
8100
IGNsw
No
Fuse
8100
F49
12345678911111141
46
~
p
16171819
20
2122
23242526
11
1213141
161
1
19
2
27
1
28
1
29
1
30
1
31
1
B4M1245
I
143
Generator
Page 160 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
4-4d
IT10U1]
BRAKES
[ABS
5
.31
TYPE]
10
.
DiagnosticsChart
with
Select
Monitor
F49
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
0111131415
16171819
2
2123
24
2526
1281
2
913013
1
1
D
-V+
B4M
1234A
F49
1
1 SUBARU LEGACY 1997 Service Repair Manual
4-4d
IT10U1]
BRAKES
[ABS
5
.31
TYPE]
10
.
DiagnosticsChart
with
Select
Monitor
F49
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
0111131415
16171819
2
2123
24
2526
1281
2
913013
1
1
D
-V+
B4M
1234A
F49
1
1](/manual-img/17/57434/w960_57434-159.png)
4-4d
IT10U1]
BRAKES
[ABS
5
.31
TYPE]
10
.
DiagnosticsChart
with
Select
Monitor
F49
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
0111131415
16171819
2
2123
24
2526
1281
2
913013
1
1
D
-V+
B4M
1234A
F49
1
1
213
1
4
1
5
1
6
1
7
1
8
1
9
101112131
15
161
1819
2
01
21
12-
23
242526
728293031
1
FM
n
]L
84M1243A
10U1
CHECK
INPUT
VOLTAGE
OF
ABSCM&H/U
.
1)
Turn
ignition
switch
to
OFF
.
2)
Disconnect
connector
from
ABSCM&H/U
.
3)
Run
the
engine
at
idle
.
4)
Measure
voltage
between
ABSCM&H/U
connector
and
chassis
ground
.
Connector
&
terminal
(F49)
No
.
1
(+)
-
Chassis
ground
(-)
:
CHECK
:
Is
the
voltage
between
10
V
and
15
V?
,rES
:
Go
to
step
10U2
.
No
:
Repair
harness
connector
between
battery,
igni-
tion
switch
and
ABSCM&H/U
.
10U2
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
the
resistance
less
than
0
.5
0?
,res
:
Go
to
step
10U3
.
No
:
Repair
ABSCM&H/U
ground
harness
.
1
10U3
I
CHECKPOOR
CONTACT
IN
CONNECTORS
.
Is
there
poor
contact
in
connectors
between
generator,
battery
and
ABSCM&HlU?
<
Ref
.
to
FOREWORD
(T3C1]
.*10
>
,rES
:
Repair
connector
.
No
:
Go
to
step
10U4
.
144