model SUBARU LEGACY 1997 Service Repair Manual

4-1
[c1oa1
COMPONENT
PARTS

1
.
Conventional
Suspension

1
.
Conventional
Suspension

4
.
REAR
SUSPENSION
(SUS
MODEL)

B4M1214A

Stabilizer
~2
Stabilizer
bracket
03
Stabilizer
bushing

~a
Clamp

~5
Floating
bushing
Stopper

Stabilizer
link

~8
Rear
lateral
link

9
Bushing
(C)

(%
Bushing
(A)

Front
lateral
link

02
Bushing
(B)

Trailing
link
rear
bushing

Da
Trailing
link

Trailing
link
front
bushing

#
Trailing
link
bracket

Cap
(Protection)

#
Washer

g
Rear
crossmember
~o
Strut
mount
cap

Strut
mount

~2
Rubber
seat
upper

Dust
cover

~a
Coil
spring

~5
Helper
~s
Rubber
seat
lower

Damper
strut

Self-locking
nut

Adapter
rear
crossmember

(OUTBACK
model)

Tightening
torque
:
N~m
(kg-m,
it-Ib)
Tl
:
20f6
(2
.0±
0
.6,
14
.5f4
.3)
T2
:
25f7(2
.5f0
.7,
18
.1f5
.1)
T3
:
44f6
(4
.5f0
.6,
32
.5f4
.3)
T4
:
59
f
10
(6.0
1
1
.0,
43
f
7)
T5
:
98
4
:15
(10
.0
f
1.5,
72±
11)
T6
:
98
f
20
(10
.0
f
2
.0,
72
f
14)
T7
:
113
f
15
(11
.5
f
1
.5,
83
f
11)
T8
:
127
f
20
(13
.0
f
2
.0,
94
1
14)
T9
:
137
f
20
(14
.0
f
2
.0,
101114)
T10
:196±io
(20
.0±i
o,
145±~9
)

9

8
.
Electrical
Wiring
Harness
and
Ground
Point

Connector
Connecting
to

No
.
Pole
Color
Area
No
.
Name

R17
1
Black
A-3
Rear
defogger
(Power)

R18
2
Black
B-3
Rear
speaker
RH

R19
2B-3
High-mounted
stop
light

R20
2
Blue
B-2
Trunk
room
light

R21
2
Black
B-2
Rear
speaker
LH

R22
1
Brown
B-1
Rear
door
switch
LH

R23
3
B-2
Power
antenna

R24
6B-3
R60
Trunk
lid
cord(Without
security
system)

8
B-3
R60
Trunk
lid
cord
(With
security
system)

R25
2
Black
B-4
Rear
defogger
condenser

R26
4
B-4
Rear
combination
light
RH

R27
2
B-4
Trunk
room
light
switch

R28
4
B-3
Rear
combination
light
LH

R45
6
B-4
Trailer
connector
(SUS
model)

R47
3B-3Fueltank
pressure
sensor

R60
6B-4
R24
Rear
wiring
harness
(Without
security
system)

8B-4
R24
Rear
wiring
harness
(With
security
system)

R61
3B-4
Key
switch
(Security)

R62
4B-4
Rear
finisher
light
RH

R63
2B-3
License
plate
light

R64
4B-3
Rear
finisher
light
LH

R65
1
Black
A-2
Rear
defogger(Ground)

R66
2
Black
B-4
E
High-mounted
stop
light
(Rear
spoiler)

'
:
Non-colored

3

A

B

C

D

8
.
REAR
END
WIRING
HARNESS
AND
GROUND
POINT
OF
SEDAN

1
1
2

1

3

R65

1
R17
,

R19

4

\
R66

GD
A
~
~
R45
i

O
~~`
R18
''r
~
R25

R21
~
~O
\

R22
O
R20
R24
R47
~---

R23R2g
'
:
R60
R62

o

GB-9
0

~~,
.~I
~~I)~1

B6M0104B

2
R63R26
R64R27

R61~

~
GB-9

3
[D808]

B6M0823A

4

A

B

C

D

4-4
[M13-21
BRAKES

13
.
Anti-lock
Brake
System
(ABS)
[5
.3i
Type]

O

BATTERY

B4H1216A

O
ABS
control
module
and
S
Front
right
outlet
solenoidvalve
D
ABS
warning
light
hydraulic
control
unit
(2
Rear
left
inlet
solenoid
valve'
0
Stop
light
switch
9
ABS
control
module
section
D
Rear
left
outlet
solenoidvalve
0
Stop
light
Valve
relay
0
Rear
right
inlet
solenoidvalve
(5
G
sensor
(only
AWD
model)
O
Motor
relay
8
Rear
right
outlet
solenoid
valve
0
Front
left
ABS
sensor
m
Motor
R
Transmission
control
module
Z
Front
right
ABS
sensor
Front
left
inlet
solenoid
valve
(only
AT
module)
Z
Rear
left
ABS
sensor
8
Front
left
outlet
solenoidvalve
(3
Diagnosis
connector
(8
Rear
right
ABS
sensor
Front
right
inlet
solenoidvalve
0
Data
link
connector

BRAKES
44

Page

S
SPECIFICATIONS
AND
SERVICE
DATA

1
.
Brakes

C
COMPONENT
PARTS
...........
.
.
.
.....................
.
.
......
..
.
.
.
..........................

1
.
FrontDisc
Brake

2
.
Rear
Disc
Brake

3
.
Rear
Drum
Brake

4
.
Master
Cylinder

5
.
Brake
Booster

6
.
ABS
System
7
.
Hill
Holder

8
.
Parking
(Hand)
Brake
9
.
ABS/TCS
System

10
.
ABS
System(ABS
5
.3i
Type)
...
....
.
...
..........................
.
.
...
.
.............

W
SERVICE
PROCEDURE
...............
.
.
......
.
.
...
.
....................
.
.
.
.
.
.
...
.
...
.
.......

1
.
Front
Disc
Brake
2
.
Rear
Disc
Brake

3
.
Rear
Drum
Brake
4
.
Parking
Brake
(Rear
Disc
Brake)
5
.
Master
Cylinder

6
.
Brake
Booster

7
.
Brake
Hose
8
.
Hill
Holder

9
.
Parking
Brake
Lever

10
.
Parking
Brake
Cable

11
.
Air
Bleeding
(Without
TCS
model)

12
.
Brake
Fluid
Replacement

13
.
Proportioning
Valve

14
.
ABS
Sensor

15
.
Hydraulic
Unit
for
ABS
System

16
.
ABS
Control
Module

17
.
G
Sensor
for
ABS
System

18
.
Brake
Hose
and
Pipe
am
.
.
.....
.
.................................
.
.
...
.
.....
..

19
.
Air
Bleeding
(With
TCS
model)

20
.
Hydraulic
Unit
for
ABS/TCS
System

21
.
ABS/TCS
Control
Module

22
.
Hydraulic
Unit
for
ABS
System
(ABS
5
.3
Type)

23
.
ABS
Control
Module
(ABS
5
.3
Type)

24
.
G
Sensor
for
ABS
System
(ABS
5
.3
Type)

25
.
ABS
Control
Module
and
Hydraulic
Control
Unit
(ABSCM&H/U)
[ABS
5
.3i
Type]
.
.
.
.
.
.
.
...
.
.
.
.
.
..
.
.
...................................
.
...
.
.
.........
..........
26
.
ABS
Sensor
(ABS
5
.3i
Type)
....
...........................................
.
.
....
.
...
.
27
G
Sensor
(ABS
5
3i
T
e)

2

....
.2

....
.4

........
.
.
..
.4

....
..
.15

....
..
.15
yp
....
.
.
......
...
.
...................................
.
.
.
.
.......
.
.
.....

K
DIAGNOSTICS

1
.
Entire
BrakeSystem

2
.
Hill
Holder

PRECAUTION
FORSUPPLEMENTAL
RESTRAINT
SYSTEM
"AIRBAG"
The
Supplemental
Restraint
System
"Airbag"
helps
to
reduce
the
risk
or
severity
of
injury
to
the
driver
in
a
frontal
collision
.
The
Supplemental
Restraint
System
consists
of
an
airbag
module
(located
in
the
center
of
the
steer-
ing
wheel),sensors,
a
control
module,warning
light,
wiring
harness
and
roll
connector
.
Information
necessary
to
servicethe
safety
is
included
in
the"5-5
.
SUPPLEMENTAL
RESTRAINT
SYSTEM"
ofthis
Service
Manual
.
WARNING
:
"
To
avoid
rendering
the
Airbag
system
inoperative,
which
could
lead
to
personal
injury
or
death
in
the
event
of
a
severe
frontal
collision,
all
maintenance
must
be
performed
byan
authorized
SUBARU
dealer
.
"
Improper
maintenance,
including
incorrect
removal
and
installation
of
the
Airbag
system,
can
lead
to
personal
injury
caused
by
unintentional
activation
of
the
Airbag
system
.
"
All
Airbag
system
electrical
wiring
harnesses
and
connectors
are
covered
with
yellow
outer
insu-
lation
.
Do
not
use
electrical
test
equipment
on
any
circuit
relatedtothe
Supplemental
Restraint
System
"Airbag"
.

SERVICE
PROCEDURE
[W18A5]
4-4
18
.
Brake
Hose
and
Pipe
5
.
MODELS
WITH
ABS
(ABS
5
.3i
TYPE)

B4M1221A

Union
bolt
~2
Front
brake
hose
RH

~3
Clip

~4
Valve
bracket

~5
Proportioning
valve

06
Front
brake
pipe
ASSY

~7
Front
brake
hose
LH

(V
Two-way
connector

Connector
bracket

~o
Rear
brake
hose
RH

Rear
brake
pipe
ASSY

~z
Rear
brake
hose
LH

Center
brake
pipe
ASSY

'
41

Tightening
torque
:
N~m
(kg-m,
ft-115)
TI
:
13f3
(1
.3f0
.3,
9
.4f2
.2)
T2
:
15±z(1
.5-0z,
10
.8±a)
T3
:
18f3
(1
.8f0
.3,
13
.0±
2
.2)
T4
:
18±
5
(1
.8
f
0
.5,
13
.0
f3
.6)

5

4-4
[w2sBO]
SERVICE
PROCEDURE

25
.
ABS
Control
Module
and
Hydraulic
Control
Unit
(ABSCM&H/U)
[ABS
5
.3i
Type]

B
:
INSPECTION

i
Mark

>
ABSCM&H/U
B4M
1248A

/Pressure
ga
u
ge
\
'
/\

B4M0633A

1)
Check
connected
and
fixed
condition
of
connector
.

2)
Check
specifications
of
the
mark
with
ABSCM&H/U
.

Mark
Model

C3
AWD
AT

C4
AWD
MT

C
:
CHECKING
THE
HYDRAULIC
UNIT
ABS

OPERATION

1
.
CHECKINGTHE
HYDRAULIC
UNIT
ABS
OPERATION

BY
PRESSURE
GAUGE

1)
Lift-up
vehicle
and
remove
wheels
.

2)
Disconnect
the
air
bleeder
screwsfrom
the
FL
andFR

caliper
bodies
.

3)
Connect
two
pressure
gauges
to
the
FL
andFR
cali-

perbodies
.

CAUTION
:

Pressure
gauges
used
exclusively
for
brake
fluid

must
be
used
.

e
Do
not
employ
pressure
gauge
previously
used
for

transmission
since
the
piston
seal
is
expanded
which

may
lead
to
malfunction
of
the
brake
.

NOTE
:

Wrap
sealing
tape
around
the
pressure
gauge
.

8

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

4
.
Schematic

4
.
Schematic

10

14

BATTERY
16

-----I

---
IGN

17
----I

=
O_
.__J

C5
19

U6

--
-
------
H
!
20

-----------
g

10

1
-
~
11

----------
----
r
12
23
`
"
...
.,`
@
.

Twisted
w
ire

B
4M1227A

ABS
control
module
and
hydraulic
control
unit

(ABSCM&H/U)

~2
ABS
control
module
area

~3
Valve
relay

~a
Motor
relay

~5
Motor

06
Front
left
inlet
solenoid
valve

07
Front
left
outlet
solenoid
valve

~8
Front
right
inlet
solenoid
valve

Front
right
outlet
solenoid
valve
~o
Rear
left
inlet
solenoid
valve

Rear
left
outlet
solenoid
valve

g
Rear
right
inlet
solenoid
valve

Rear
right
outlet
solenoid
valve

~a
Transmission
control
module
(only
AT
model)

~5
Diagnosis
connector

~s
Data
link
connector

ABS
warning
light

Qe
Stop
light
switch

Stop
light

~o
G
sensor
(only
AWD
model)

Front
left
ABS
sensor

~2
Front
right
ABS
sensor

Rear
left
ABS
sensor

Rear
right
ABS
sensor

6

BRAKES
[ABS
5
.31
TYPE]
'
[T501]
4-4d

5
.
Control
Module
I/O
Signal

Terminal

N
Input/Output
signal
Contents
o
.

_)
Measured
value
andmeasuring
conditions

ABS
Front
left
wheel
9-10

sensor'2
Front
right
wheel
11-12
0
.12
-
1
V
(Wheel

speed
Rear
left
wheel
7-8
(When
it
is
20Hz
.)

sensor)
Rear
right
wheel
14-15

Valve
relay
power
supply
24-23
10
-
15
Vwhen
ignition
switch
is
ON
.

Motor
relay
power
supply
25-23
10
-
15
Vwhen
ignition
switch
is
ON
.

G
sensor'2
Power
supply
30-28
4
.75
-
5
.25
V

(AWD
model
ground
28
-

only)
output
6-28
2
.3f0
.2
V
when
vehicle
isin
horizontal
position
.

Stop
light
switch*1
2-23
Less
than
1
.5
V
when
the
stop
light
is
OFF
and,10
-
15
V

when
thestop
light
is
ON
.

ABS
warning
light`2
21-23
Less
than
1.5
V
during
1
.5
seconds
when
ignition
switch
is

ON,and
10
-
15
V
after
1.5
seconds
.

AT
ABS
signal'2

(AT
model
only)
31-23
Less
than
1
.5
V
when
the
ABS
control
does
not
operate
still

and
more
than5
.5
V
when
ABS
operates
.

ABS
operation
signal
monitor*2
3--23
Less
than
1
.5
V
when
the
ABS
control
does
not
operate
still

and
more
than5
.5
V
when
ABS
operates
.

Select
Data
is
received
.
20-23
Less
than
1
.5
V
when
no
data
is
received
.

monitor'2
Data
is
sent
.
5--23
4
.75
-
5
.25
V
when
no
data
is
sent
.

ABS
Terminal
No
.
3
29-23
10
-
15
V
when
ignition
switch
is
ON
.
diagnosis

connector*2
Terminal
No
.
6
4-23
10
-
15
V
when
ignition
switch
is
ON
.

Power
supply'1
1-23
10
-
15
V
when
ignition
switch
is
ON
.

Grounding
line
23
-

Grounding
line
~26

*1
:
Measure
the
I/O
signal
voltage
after
removing
the
connector
from
the
ABSCM&H/U
terminal
.
'2
:
Measure
the
I/O
signal
voltage
at
connector
(F2)
or
(Fi)
.

9

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

BRAKES
[ABS
5
.31
TYPE]
[TSE2]4-4d

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

Except
OUTBACK
model

1
2

D

S2
B4MOSO6E

OUTBACK
model

Front
Rear

1
2
2
1

D

84M
1036C

Except
OUTBACK
model

1
2

-
L
Vq
f
1

B4MO807E

OUTBACK
model

Front
Rear

2
1

D

_v
B4M1037C

$E1
CHECK
ABS
SENSOR
.

1)
Turn
ignition
switch
to
OFF
.

2)
Disconnect
connector
from
ABS
sensor
.

3)
Measure
resistance
of
ABS
sensor
connector
terminals
.

Terminal

Front
RH
No
.
1
-
No
.
2
:

Front
LH
No
.
1
-
No
.
2
:

Rear
RH
No
.
1
-
No,
2
:

Rear
LHNo
.
1
-
No
.
2
:

CHECK
:
Is
the
resistance
between
0
.8
and
1
.2
kS2?

,rES
:
Go
to
step
8E2
.

No
:
Replace
ABS
sensor
.

8E2
I
CHECK
BATTERY
SHORT
OF
ABS
SENSOR
.

1)
Disconnect
connector
from
ABSCM&H1U
.

2)
Measure
voltage
between
ABS
sensor
and
chassis

ground
.

Terminal

Front
RH
No
.
1
(+)
-
Chassis
ground
(
)
:

Front
LH
No
.
1
(+)
-
Chassis
ground
(
)
:

Rear
RH
No
.
1
(
+)
-
Chassis
ground
(
)
:

Rear
LH
No
.
1
(+)
-
Chassis
ground
(
)
:

CHECK
:
Is
the
voltage
less
than
1
V?

vES
:
Go
to
step
8E3
.

No
:
Replace
ABS
sensor
.

33