1997 SUBARU LEGACY remove

BRAKES
[ABS
5
.31
TYPE]
[T8J12]
4-4d

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

5)
Rotate
wheels
and
measure
voltage
at
specified
fre-

quency
.

NOTE
:

When
this
inspection
is
completed,
the
ABS
control
mod-

ule
sometimes
stores
the
trouble
code
29
.

Connector
&
terminal
(B100)
No
.
12
(+)
-
No
.
13
(-)
(Front
RH)
:

(8100)
No
.
3
(+)
-
No
.
4
(
)
(Front
LH)
:

(F1)
No
.
4
(+)
-
No
.
5
(
)
(Rear
RH)
:

(F7)
No
.
1
(+)
-
No
.
2
(
)
(Rear
LH)
:

Specifiedvoltage
:
0.12
-
1
V
(When
it
is
20
Hz
.)

CHECK
:
Is
oscilloscopepattern
smooth,
as
shown
in

figure?

,rES
:
Go
tostep
8J13
.

No
:
Go
tostep
8,1110
.

8J10
CHECK

IOR
ONE

CONTAM

WHEEL'NATION

OF
ABS
SENSOR

Remove
disc
rotor
from
hub
.

CHECK
:
Is
the
ABS
sensor
pole
piece
or
the
tone

wheel
contaminated
by
dirt
or
other
foreign

matter?

,rES
:
Thoroughly
remove
dirt
or
other
foreign
matter
.

No
:
Go
to
step
8J11
.

8J11
CHECK
DAMAGE
OF
ABS
SENSOR
OR
TONE
WHEEL
.

CHECK
;
Are
there
broken
or
damaged
teeth
in
the

ABS
sensor
pole
piece
or
the
tone
wheel?

,rES
:
Replace
ABS
sensor
or
tone
wheel
.

No
:
Go
tostep
8
.112
.

18,11
2
1
CHECK
HUB
RUNOUT
.

Measure
hub
runout
.

CHECK
:
Is
the
runout
less
than
0
.05
mm
(0
.0020
in)?

,rES
:
Go
to
step
8,1113
.

No
:
Repair
hub
.

51

BRAKES
[ABS
5
.3i
TYPE]
IT8Y3J4-4d

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

`G/

Tn]
1
Mark

~-ABSCM&HlU
g4M1248A

P11

2
1

D

+V-

B4M0911
B

8YI
CHECK

TURNING

LL
FOUR
WHEELS
FOR
FREE

CHECK
:
Have
the
wheels
been
turned
freely
suchas

when
the
vehicle
is
lifted
up,
or
operatedon
a
rolling
road?

The
ABS
is
normal
.
Erase
the
trouble
code
.

Go
to
step
8Y2
.

CHECK
SPECIFICATIONS
OF
ABSCM&HIU
.

Check
specifications
of
the
mark
to
the
ABSCM&H/U
.

Mark
Model

C3
AWD
AT

C4
AWD
MT

1
'
he
an
dRSCM
fnr
dWn
MAIIPI
inciallprl
nna
FWD
model?

CAUTION
:

Be
sure
to
turn
ignition
switch
to
OFF
when
removing

ABSCM&H/U
.

,rES
:
Replace
ABSCM&H/U
.

No
:
Go
to
step
8Y3
.

18Y3
I
CHECK
INPUT
VOLTAGEOF
G
SENSOR
.

1)
Turn
ignition
switch
to
OFF
.

2)
Remove
console
box
.

3)
Disconnect
G
sensor
from
body
.
(Do
not
disconnect

connector
.)

4)
Turn
ignition
switch
to
ON
.

5)
Measure
voltage
between
G
sensor
connector
termi-

nals
.

Connector
&
terminal
(P11)
No
.
1
(+)
-
No
.
3
(
)
:

CHECK
:
Is
thevoltage
between
4
.75
and
5
.25
V?

Go
to
step
8Y4
.

No
:
Repair
harness/connector
between
G
sensor
and

ABSCM&H/U
.

85

4-4d
[rsYS1
BRAKES
[ABS
5
.3i
TYPE]

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

B4M0915I

Front

t

1

0

B4M0917A

0

Front

i
a

--

B4M0918A

1
8Y9
I
CHECK
G
SENSOR
.
I

1)
Turn
ignition
switch
to
OFF
.

2)
Remove
G
sensor
from
vehicle
.

3)
Connect
connector
to
G
sensor
.

4)
Connect
connector
to
ABSCM&H/U
.

5)
Turn
ignition
switch
to
ON
.

6)
Measure
voltage
between
G
sensor
connector
termi-

nals
.

Connector
&
terminal

(P11)
No
.
2
(+)
-
No
.
1(
)
:

CHECK
:
Is
thevoltage
between
2
.1
and
2
.4
V
when
G

sensor
is
horizontal?

0
:
Go
tostep
8Y10
.

No
:
Replace
G
sensor
.

8Y10
CHECK
G
SENSOR
.

Measure
voltage
between
G
sensor
connector
terminals
.

Connector
&
terminal

(P11)
No
.
2
(+)
-
No
.
1(
)
:

CHECK
;
Is
the
voltage
between
3
.7
and
4
.1
V
when
G

sensor
is
inclined
forwards
to
90°?

Go
tostep
8Y11
.

No
:
Replace
G
sensor
.

CHECK
G
SENSOR
.

Measure
voltage
between
G
sensor
connector
terminals
.

Connector
&
terminal

(P11)
No
.
2
(+)
-
No
.
1
(
)
:

CHECK
;
Is
thevoltage
between
0
.5
and
0
.9
V
when
G

sensor
is
inclined
backwards
to
90°?

Go
tostep
8Y12
.

No
:
Replace
G
sensor
.

8Y12
CHECK
POOR
CONTACT
IN
CONNECTORS
.

CHECK
:
Is
there
poor
contact
in
connector
between

ABSCM&HI
U
and
G
sensor?
<
Ref
.
to
FORE-

WORD
[T3C1]
.*10
>

0
:
Repair
connector
.

No
:
Go
to
step
8212
.

88

4-4d
[T1
0A01
BRAKES
[ABS
5
.3i
TYPE]

10
.
Diagnostics
Chart
with
Select
Monitor

10
.
Diagnostics
Chart
with
Select

Monitor

I
TROUBLE
OCCURS
.I

A
:
BASIC
DIAGNOSTIC
CHART

Is
Select
Monitor
available?
No

Yes

Ask
the
customer
when
and
how
the
trouble
occurred
using
interview
check
list
.

I
PRE-INSPECTION
I

Use
select
monitor,
retrieve
trouble
code
in
function
mode
FBiand
record
the
code
.

Perform
diagnostics
in
accordance
with
trouble
code
.
No
corresponding
trouble
code

Diagnostics
Chart
for
On-board
Diagnosis
System

Inspection
using
General
Diagnostics
chart

Trouble
code
is
designated
or
ABS
warning
light
constantly
remains
on
.

Repair
.

Clear
memory
.

I
INSPECTION
MODE
I

Use
select
monitor,
retrieve
trouble
code
in
function
model
FB1and
recordthe
code
.

No
trouble
code
is
designated
and
ABS
warning
light
goes
out
after
turning
on
.

I
CONFIRMATION
TEST
I

END

B4M1076A

CAUTION
:

Remove
foreign
matter
(dust,
water,
etc
.)
from
the

ABSCM&H/U
connector
during
removal
and
installation
.

NOTE
:

To
check
harness
for
broken
wires
or
short
circuits,
shake

it
while
holding
it
or
the
connector
.

102

BRAKES
[ABS
5
.31
TYPE]
[T10L15]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

B100
F1

1091918176151
~1
323
1~
45678

0

0
20
Hz

Standard
output
voltage
:
0
.12
-
1
V
(When
it
is
20
Hz
.)
B4M1242A

5)
Rotate
wheels
and
measure
voltage
at
specified
fre-

quency
.

NOTE
:

When
this
inspection
is
completed,
the
ABSCM&H/U

sometimes
stores
the
trouble
code
29
.

Connector
&
terminal

Trouble
code
22
I
(8100)
No
.
12
(+)
-
No
.
13
(-)
:

Trouble
code
24
I
(8100)
No
.
3
(+)
-
No
.
4
(
)
:

Trouble
code
26
I
(F1)
No
.
4
(+)
-
No
.
5
(-)
:

Trouble
code
28
l
(F1)
No
.
1
(+)
-
No
.
2
(
)
:

Specifiedvoltage
:
0
.12
-
1
V
(When
if
is
20
Hz
.)

CHECK
:
Is
oscilloscope
pattern
smooth,
as
shown
in

figure?

Go
tostep
10L16
.

No
:
Go
to
step
10L13
.

I10L13
CHECK
I
ORTONE

CONTAM

WHEEL'

NATION
OF
ABS
SENSOR

Remove
disc
rotor
or
drum
from
hub
in
accordance
with

trouble
code
.

CHECK
:
Is
the
ABS
sensor
pole
piece
orthe
tone

wheel
contaminated
by
dirt
or
other
foreign

matter?

,rES
:
Thoroughly
remove
dirt
or
other
foreign
matter
.

Go
to
step
10L1114
.

I10L14
CHECK

I
ONE
WHEEL
.

GEOF
ABS
SENSOR
OR

CHECK
;
Are
there
broken
or
damaged
in
the
ABS

sensor
pole
piece
or
the
tone
wheel?

U
:
Replace
ABS
sensor
or
tone
wheel
.

No
:
Go
to
step
10L75
.

1
10L15
I
CHECK
HUB
RUNOUT
.

Measure
hub
runout
.

CHECK
:
Is
the
runout
less
than
0
.05
mm
(0
.0020
in)?

Go
tostep
10L16
.

No
:
Repair
hub
.

127

BRAKES
[ABS
5
.3i
TYPE]
[T10M12]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

5)
Rotate
wheels
and
measure
voltage
at
specified
fre-

quency
.

NOTE
:

When
this
inspection
is
completed,
the
ABSCM&H/U

sometimes
stores
the
trouble
code
29
.

Connector
&
terminal
(8100)
No
.
12
(+)
-
No
.
13
(-)
(Front
RH)
:

(8100)
No
.
3
(+)
-
No
.
4
()
(Front
LH)
:

(F1)
No
.
4
(+)
-
No
.
5
(
)
(Rear
RH)
:

(F1)
No
.
1
(+)
-
No
.
2
(
)
(Rear
LH)
:

Specified
voltage
:
0
.12
-
1
V
(When
it
is
20
Hz
.)

CHECK
:
Is
oscilloscopepattern
smooth,
as
shown
in

figure?

Go
to
step
8M13
.

No
:
Go
to
step
8M10
.

I10M10
CHECK

I
OR
TONE

CONTAM

WHEELINATION

OF
ABS
SENSOR

Remove
disc
rotor
from
hub
.

CHECK
:
Is
the
ABS
sensor
pole
piece
or
the
tone

wheel
contaminated
by
dirt
or
other
foreign

matter?

,rES
:
Thoroughly
remove
dirt
or
other
foreign
matter
.

No
:
Go
to
step
10M11
.

10M11
CHECK

I
TONE
WHEEL
.

GE
OF
ABS
SENSOR
OR

CHECK
:
Are
there
broken
or
damaged
teeth
in
the

ABS
sensor
pole
piece
or
the
tone
wheel?

,res
:
Replace
ABS
sensor
or
tone
wheel
.

No
:
Go
to
step
10M12
.

10M12
CHECK
HUB
RUNOUT
.

Measure
hub
runout
.

CHECK
;
Is
the
runouf
less
than
0
.05
mm
(0
.0020
in)?

Go
to
step
10M13
.

No
:
Repair
hub
.

135

4-4d
[T70AG15]
BRAKES
[ABS
5
.3i
TYPE]

10
.
Diagnostics
Chart
with
Select
Monitor

V_

B4MO91
1
B

1
2
3
4
567
89
1011
131415
1017118119120121
23
242526
8
301

D

S2
B4M
1261
A

I
10AG15
1
CHECK
INPUT
VOLTAGE
OF
G
SENSOR
.

1)
Turn
ignition
switch
to
OFF
.

2)
Remove
console
box
.

3)
Disconnect
G
sensor
from
body
.
(Do
not
disconnect

connector
.)

4)
Turn
ignition
switch
to
ON
.

5)
Measure
voltage
between
G
sensor
connector
termi-

nals
.

Connector
&
terminal

(P11)
No
.
i
(+)
-
No
.
3
(
)
:

CHECK
:
Is
the
voltage
between
4
.75
and
5
.25
V?

Go
to
step
10AG16
.

No
:
Repair
harness/connector
between
G
sensor
and

ABSCM&H/U
.

10AG16

I
P
UT
HARNESS
ANDUGROUND
HA
NESS
.T

1)
Turn
ignition
switch
to
OFF
.

2)
Disconnect
connector
from
ABSCM&H/U
.

3)
Measure
resistance
between
ABSCM&H/U
connector

terminals
.

Connector
&
terminal

(F49)
No
.
30
-
No
.
28
:

CHECK
:
Is
the
resistance
between
4
.3
and
4
.9
kS2?

,res
:
Go
to
step
10AG17
.

No
:
Repair
harness/connector
between
G
sensor
and

ABSCM&H/U
.

190

BRAKES
[ABS
5
.31
TYPE]
(T10AH3]
4-4d

10
.
Diagnostics
Chart
withSelect
Monitor

G-SENS
(F
10)

2
.30
V

sannos271

F49

1
23
4
5
6
.1
7
1
8
1
9
01112131415
16171
192C
12
2324
2526
728293031
11

D

_
V
B4M1263A

I10AH1
CHECK
OUTPUT

(SELECT
MONITORF

G
SENSOR
USING

1)
Press
[F],
[1]
and
[0]
on
the
select
monitor
.

2)
Read
the
select
monitor
display
.

CHECK
;
Is
theindicated
reading
between
2
.1
and
2
.5

V
when
the
G
sensor
is
in
horizontal
posi-

tion?

Replace
ABSCM&H/U
.

No
:
Go
tostep
10AH2
.

1
10AH2
I
CHECK
BATTERY
SHORT
OF
HARNESS
.

1)
Turn
ignition
switch
to
OFF
.

2)
Remove
console
box
.

3)
Disconnect
connector
from
G
sensor
.

4)
Disconnect
connector
from
ABSCM&H/U
.

5)
Measure
voltage
between
ABSCM&H/U
connector
and

chassis
ground
.

Connector
&
terminal

(F49)
No
.
6
(+)
-
Chassis
ground
(
)
:

CHECK
;
Is
thevoltage
less
than1
V?

Go
tostep
10AH3
.

No
:
Repair
harness
between
G
sensor
and

ABSCM&H/U
.
1
10AH3
I
CHECK
BATTERY
SHORT
OFHARNESS
.

1)
Turn
ignition
switch
to
ON
.

2)
Measure
voltage
between
ABSCM&H/U
connector
and

chassis
ground
.

Connector
&
terminal
(F49)
No
.
6
(+)
-
Chassis
ground
(
)
:

CHECK
;
Is
the
voltage
less
than
1
V?
vES
:
Go
tostep
10AH4
.

No
:
Repair
harness
between
G
sensor
and

ABSCM&H/U
.

195