1997 SUBARU LEGACY diagram

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

5
.
Control
Module
I/O
Signal

2
.
I/O
SIGNAL
DIAGRAM

Ignition
key
switch

84101229A

10

4-4d
R7ao1
BRAKES
[ABS
5
.3i
TYPE]

7
.
Diagnostics
Chart
for
ABS
Warning
Light
Circuit
and
Diagnosis
Circuit
Failure

7
.
Diagnostics
Chart
for
ABS
Warning

Light
Circuit
and
Diagnosis
Circuit

Failure

A
:
ABS
WARNING
LIGHT
DOES
NOT
COME

ON
.

DIAGNOSIS
:

e
ABS
warning
light
circuit
is
open
or
shorted
.

TROUBLE
SYMPTOM
:

e
When
ignition
switch
is
turned
ON
(engine
OFF),
ABS

warning
light
does
not
come
on
.

WIRING
DIAGRAM
:

Fuse

No
.
12

Fuse

F49
f2
B100

ABS
control
module
and
hydraulic
control
unit

c
:
i14
No
.15

L
ABS

Combination
meter

881
0
Diagnosis
°
E
connector

Diagnosis
terminal

IGNsw
SBF-4
FL1.25B

Fuse
SBF-3

No
.19

882
8100

01
11
12
11
1
1
ID
M
131415161

i2
1
4
10
11
1
13141
1

i14

1
11
11

f49

123456789101112131415
16171819
20
2122
23
24252627
1
28
1
29
1
30
13
11

rw
am

84M1230

18

4-4d
[T7BO1
BRAKES
[ABS
5
.31
TYPE]

7
.
Diagnostics
Chart
for
ABS
Warning
Light
Circuit
and
Diagnosis
Circuit
Failure

B
:
ABS
WARNING
LIGHT
DOES
NOT
GO
OFF
.

DIAGNOSIS
:

e
ABS
warning
light
circuit
is
open
or
shorted
.

TROUBLE
SYMPTOM
:

e
When
starting
the
engine
and
while
ABS
warning
light

is
kept
ON
.

WIRING
DIAGRAM
:

F49
F2
8100

ABS
control
module
and
hydraulic
control
unit
Fuse

No
.18

Fuse

C
:0
No
.
5

837
i2
ABS

Combination
meter

O
Diagnosis
°
E
connector
gg~

Diagnosis
terminal

IGNsw
SBF-4
FL1.25B

w

Q
m

Fuse
SBF-3

No
.
19

882
8100

1
11
1213141
161
11
10

i1

1
11213141
9
10
11134111181920212

0

1
10111
1

F49

12345678910111131415
16171819
20
2122
2324
25
2627
1
28
1
29
1
30
1
31
1

B4M1230

24

4-4d
[-nco]
BRAKES
[ABS
5
.31
TYPE]
7
.
Diagnostics
Chart
for
ABS
Warning
Light
Circuit
and
Diagnosis
Circuit
Failure

C
:
TROUBLE
CODE
DOES
NOTAPPEAR
.

DIAGNOSIS
:

9
Diagnosis
circuit
is
open
.

TROUBLE
SYMPTOM
:

*
The
ABS
warning
light
turns
on
or
off
normally
butthe

start
code
cannot
be
read
out
in
the
diagnostic
mode
.

WIRING
DIAGRAM
:

F49
F2
B100

ABS
control
module
and
hydraulic
control
unit
Fuse

No
.
18
Fuse
v
w

c
:
i14
No
.
15

ABS

Combination
meter

oDiagnosis°E
connector

Diagnosis
terminal

B82
8100

11
11
1
1
21
1
31
14
1
1111
1910

i1
1
9
10
11
111
1
2

IGN
sw
SBF-4
FL1
.25B

rw

Q
m

Fuse

No
.19

SBF-3

0

1
4
10111
1

F49

123456789101112131415
16171819
20
2122
2324
25
26
27
1
28
1
29
1
30
1
31
1

84M1230
I

28

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

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

B
:
TROUBLE
CODE
21
(FRONT
RH)

C
:
TROUBLE
CODE
23
(FRONT
LH)

D
:
TROUBLE
CODE
25
(REAR
RH)

E
:
TROUBLE
CODE
27
(REAR
LH)

-
ABNORMAL
ABS
SENSOR
(OPEN
CIRCUIT

OR
INPUT
VOLTAGE
TOO
HIGH)
-

DIAGNOSIS
:

"
Faulty
ABS
sensor
(Broken
wire,
input
voltage
too
high)

Faulty
harness
connector

TROUBLE
SYMPTOM
:

*
ABS
does
notoperate
.

WIRING
DIAGRAM
:

F49

ABS
control
module
and
hydraulic
control
unit

OUTBACK
with
steproof
model
B~5
O
O
P8
OO
Ft
100

1
3
1
10
70969
4
78

Rear
ABS
sensor
LH

RearABS
sensor
RH

r----------------
I
OUTBACK
with
steproof
model
I
I
Q
I

RearABS-C~l
sensor
LH

I
I

RearABS
j
~--m
sensor
RH

I
Q
I
------------J

Front
ABS
sensorLH

Front
ABS
sensor
RH

f{9

1
345678911112131415
1116
1
17
1
18
1
19
1
2
0
2
122
4
26
7
1
28
1
29
130131
1

B4M1238

32

4-4d
[TSFO]
BRAKES
[ABS
5
.31
TYPE]
8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

F
:
TROUBLE
CODE
22
(FRONT
RH)

G
:
TROUBLE
CODE
24
(FRONT
LH)

H
:
TROUBLE
CODE
26
(REAR
RH)

I
:
TROUBLE
CODE
28
(REAR
LH)

-
ABNORMAL
ABS
SENSOR
(ABNORMAL
ABS
SENSOR
SIGNAL)
-

DIAGNOSIS
:

"
Faulty
ABS
sensor
signal
(noise,
irregular
signal,
etc
.)

Faulty
harness/connector

TROUBLE
SYMPTOM
:

9
ABS
does
not
operate
.

WIRING
DIAGRAM
:

f49

ABS
control
module
and
hydraulic
control
unit

OUTBACK
withstep
OO
roof
model
815
86

LL
]
Iwl

_-^
B15

~
B~~
_____===_-r
m--~~
Front
ABS
~
sensorLH

----
---
-----------
Front
ABS
-
-
----------
[Z1-1
~
sensor
RH

Twisted
~-
wire
F1Pt
OO

Twisted
wire
~
::M

Ft
100

1
3
1
10
4
78

Rear
ABS
sensorLH

RearABS
sensor
RH

I
OUTBACK
withsteproof
model
I
I
~
I

RearABS
«7
sensor
LH

II

RearABS
j

BE
sensor
RH

L-
-
-
--
-
-
-
-
-
-
-
-
-
--
-

QD

1
1
~
131415
1
§
17181911011111211
14
1

J
116117118119120121
223
24
6
2718
2930
31

B4M1238

40

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

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

J
:
TROUBLE
CODE
29

-
ABNORMAL
ABS
SENSOR
SIGNAL
(ANY

ONE
OF
FOUR)
-

DIAGNOSIS
:

"
Faulty
ABS
sensor
signal
(noise,
irregular
signal,
etc
.)

Faulty
tone
wheel

"
Wheels
turning
freely
for
a
long
time

TROUBLE
SYMPTOM
:

*
ABS
does
notoperate
.

WIRING
DIAGRAM
:

F49

ABS
control
module
and
hydraulic
control
unit

OUTBACK
with
steproof
model
8~5
O

(2D
QD
CD
(
:D

LLL]
IWI

0
100

1
2
1
10
1
4
15161
7
1
8
1

RearABS
sensorLH

RearABS
sensor
RH

r-----------------i
I
OUTBACK
withsteproof
model
I
I
Q
I

RearABS
sensor
LH

II
j
~
Rear
ABS
j
sensor
RH

I
O
I
~---------------
.J

Front
ABS
sensor
LH

Front
ABS
sensor
RH

F49

r-j
i
1
2
1
5
1
4
1
5
1
6
1
7
1
8
1
9
1
1
01
11
1
12
1
131415
ll
16171819
202122
4
26
4
7
1
28
1
29
1301
31
1

B4M1238

48

4-4d
[TsKO1
BRAKES
[ABS
5
.3i
TYPE]

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

K
:
TROUBLE
CODE
31
(FRONT
RH)

L
:
TROUBLE
CODE
33
(FRONT
LH)

M
:
TROUBLE
CODE
35
(REAR
RH)

N
:
TROUBLE
CODE
37
(REAR
LH)

-
ABNORMAL
INLET
SOLENOID
VALVE

CIRCUIT(S)
IN
ABSCM&H/U
-

DIAGNOSIS
:

Faulty
harness/connector

"
Faulty
inlet
solenoid
valve
in
ABSCM&H/U

TROUBLE
SYMPTOM
:

*
ABS
does
not
operate
.

WIRING
DIAGRAM
:

F49
SBF-4
FL1
.258

ABS
control
module
and
hydraulic
control
unit

F2
8100
IGN
sw

No

Fuse

8100
F49

12345678910111131415

H23
1
4
1
5
1
6
9
~
~
16171819
20
2122
23242526
12
1
13
1
14
1
1
51
115
1
181922728293031

B4M1245

54

Generator