1997 SUBARU LEGACY engine

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

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

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

BRAKES
[ABS
5
.31
TYPE]
[T10W4]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

-
%mnnnur

B4M0430

[1
_
Owl
CHECKGENERATOR
.

1)
Start
engine
.

2)
Idling
after
warm-up
.

3)
Measure
voltage
between
generator
B
terminal
and

chassis
ground
.

Terminal

Generator
B
terminal
-
Chassis
ground
:

CHECK
:
Is
thevoltage
between
10
V
and
15
V?

U
:
Go
tostep
10W2
.

No
:
Repair
generator
.

1OW2
CHECK
BATTERY
TERMINAL
.

Turn
ignition
switch
to
OFF
.

Are
the
positive
and
negative
battery
termi-

nals
tightly
clamped?

0
:
Go
to
step
10W3
.

No
:
Tighten
the
clamp
of
terminal
.

(CHECK
INPUT
VOLTAGE
OF
ABSCM&H/U
.

F49

1
1
2131415
1
6
1
7
1
89
1
10
1
11
1
12
1
13
1
14
11
5
1
16
71819
2
1
23242526
728293031
1

'L
L
a
84M1243A

1)
Disconnect
connector
from
ABSCM&H/U
.

2)
Run
the
engine
at
idle
.

3)
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
10W4
.

No
:
Repair
harness
connector
between
battery,
igni-

tion
switch
and
ABSCM&H/U
.

10W4
CHECK
GROUND
CIRCUIT
OF
ABSCM&HIU
.

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
SZ?

,rES
:
Go
tostep
10111115
.

No
:
Repair
ABSCM&H/U
ground
harness
.

151

BRAKES
[ABS
5
.31
TYPE]
[T1
0X3]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

l

o

-
-
;mnnwr

B4M0430

F49

I,vC~j
84M
1234A
I

10X1
CHECKGENERATOR
.

1)
Start
engine
.

2)
Idling
after
warm-up
.

3)
Measure
voltage
between
generator
B
terminal
and

chassis
ground
.

Terminal

Generator
B
terminal
-
Chassis
ground
:

K
;
Is
the
voltage
between
10
V
and
17V?

~,rES~
:
Go
tostep
10X2
.

No
:
Repair
generator
.

10X2
I
CHECK
BATTERY
TERMINAL
.

Turn
ignition
switch
to
OFF
.

CHECK
;
Are
the
positive
and
negative
battery
termi-

nals
tightly
clamped?

Go
to,
step
10X3
.

No
:
Tighten
the
clamp
of
terminal
.

10X3
I
CHECK
INPUT
VOLTAGEOF
ABSCM&H/U
.

1)
Disconnect
connector
from
ABSCM&H/U
.

2)
Run
the
engine
at
idle
.

3)
Measure
voltage
between
ABSCM&H/U
connector
and

chassis
ground
.

Connector
&
terminal

(F49)
No
.
1
(+)
-
Chassis
ground
(-)
:

CHECK
:
Is
thevoltage
between
10
V
and
17V?

,rES
:
Go
to
step
10X4
.

No
:
Repair
harness
connector
between
battery,
igni-

tion
switch
and
ABSCM&H/U
.

155

BRAKES
[ABS
5
.3i
TYPE]
[T10AA3]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

F49

1
1
2
1
3
1415
1
6
1
7
1
8
9
01112131415
~I61718192
21
23
4
1
2526
1281261301311

LeRVI
B4M1254A

a

112131415161718
9l101111121131141151
11611711811912
1_~23
1
242526
728293031

D
n

SL
f
B4M1243A

1
10AA1
I
CHECK
INPUT
VOLTAGE
OF
ABSCM&H/U
.

1)
Turn
ignition
switch
to
OFF
.

2)
Disconnect
connector
from
ABSCM&H/U
.

3)
Run
the
engine
atidle
.

4)
Measure
voltage
between
ABSCM&H/U
connector
and

chassis
ground
.

Connector
&
terminal

(F49)
No
.
1
(+)
-
Chassis
ground
(
)
:

(F49)
No
.
24
(+)
-
Chassis
ground
(-)
:

CHECK
:
Is
thevoltage
between
10
V
and
15
V?

,rES
:
GO
t0
step
10AA2
.

No
:
Repair
harness
connector
between
battery
and

ABSCM&H/U
.
I
10AA2
I
CHECK
GROUND
CIRCUIT
OF
ABSCM&HIU
.

1)
Turn
ignition
switchto
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
SZ?

0
:
Go
to
step
10AA3
.

No
:
Repair
ABSCM&H/U
ground
harness
.
I
10AA3
I
CHECKPOOR
CONTACT
IN
CONNECTORS
.
I

CHECK
:
Is
there
poor
contact
in
connectors
between

generator,
battery
and
ABSCM&HlU?
<
Ref
.

to
FOREWORD
[T3C1]
.*10>

vES
:
Repair
connector
.

No
:
Go
tostep
10AA4
.

167

4-4d
[TyoAE3l
BRAKES
[ABS
5
.31
TYPE]

10
.
Diagnostics
Chart
withSelect
Monitor
F49

D

P)
V
44-
84M1234A
I

F49

1
1
2
3
1
4
1
5
1
6
1
7
1
89
101112131415
1
16
1
17
1
18
1
19
1
2
01
21
12-
L-12
7
12
8
1
2
00
31
1
2324
2526

1L
B4M
1243A

I10AE3]CHECK
INPUT
VOLTAGE
OF
ABSCM&HIU
.

1)
Run
the
engine
at
idle
.

2)
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?

YES
:
Go
to
step
10AE4
.

No
:
Repair
harness
connector
between
battery,igni-
tion
switch
and
ABSCM&H/U
.
1
10AE4
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
the
resistance
less
than
0
.5
fl?

Go
to
step
10AE5
.

No
:
Repair
ABSCM&H/U
ground
harness
.

10AE5
CHECK
MOTOR
OPERATION
.

Operate
the
sequence
control
.
<
Ref
.
to
4-4
[W25D1
]
.
>

NOTE
:

Use
the
diagnosis
connector
to
operate
the
sequence

control
.

CHECK
:
Can
motor
revolution
noise
(buzz)
be
heard

when
carrying
outthe
sequence
control?

,rES
:
Go
to
step
10AE6
.

No
:
Replace
hydraulic
unit
.

180

WIRING
DIAGRAM
[osoa1
6-3
6
.
Wiring
Diagram

F2
100

Twisted
wire
LL

7
-
---
-
---------
-

FtP1

Transmission
control
module

Check
Data
link
connectorconnector

879
EEE
878
a
B56
:c

Ref
.
to
Engine
electrical
system
.

881

Diagnosis
PEterminal

B82

Q1
-
Diagnosis
connector

Front
~--~~
ABS
sensorLH
II
---------------

------_-----_--_----_J

Twisted
wire

ABS
G
sensor

86
B15
P8

(Outback
model
:
Brown)
O
(Other
models
:
Gray)
(Other
models)
(Outback
model)
(Gray)

86
Front

m--F-I
ABS
sensor
RH

n
(Outback
(Other
(Outback
(Other
model)
models)
model)
models)

RearABS
Rear
ABS
sensor
RH
sensor
LH

------------------

P11

1
01
P-am

B78
(Yellow)
879
(Gray)
F1
856
(Black)

1
4
1
4
56
10131
1
1
12131
45
6
8
10
56
88
99
10
111
1314
45678
1
11
1
12
1
13
1
14
1
15
1
16
11
/1
16
1
19
12U]

B82
(Black)

1
456

8100
(Blue)

4
6
171619
111
1
1415161

18192010BU82-04B

3