1997 SUBARU LEGACY battery

BRAKES
[ABS
5
.31
TYPE]
[TSW$]
4-4d

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

CHECKPOOR
CONTACT
IN
CONNECTORS
.

Turn
ignition
switch
to
OFF
.

CHECK
:
Is
there
poor
contact
in
connector
between

generator,
battery
and
ABSCM&HI
U?
<
Ref
.

to
FOREWORD
[T3C1]
.*10>

vES
:
Repair
connector
.

No
:
Go
to
step
8W7
.

8W7
I
CHECK
ABSCM&H/U
.

1)
Connect
all
connectors
.

2)
Erase
the
memory
.

3)
Perform
inspection
mode
.

4)
Read
outthe
trouble
code
.

CHECK
:
Is
the
same
trouble
code
as
in
thecurrent

diagnosis
still
being
output?

,rES
:
Replace
ABSCM&H/U
.

No
:
Go
to
step
8W8
.

8W8
CHECK
ANY

IAPPE
RANCE
.
O
THER
TROUBLE
CODES

CHECK
:
Are
other
trouble
codes
being
output?

vES
:
Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporarypoor
contact
.

81

4-4d[T8Y4]
BRAKES
[ABS
5
.31
TYPE]

8
.
Diagnostics
Chart
with
Trouble
Codeby
ABS
Warning
Light

1

1
2
34
5
67
819
h
011
111
211311411
l1
gi
18191201211221
23
1
24
1
25
1
26
1
7Ed2
30131

LS
B4M1261A

F49
F49

8Y4
CHECKOPEN
IN
G
SENSOR
-

PUT
HARNESS
A
DuGROUND
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?

,rEg
:
Go
to
step
8Y5
.

No
:
Repair
harness/connector
between
G
sensor
and

ABSCM&H/U
.

8Y5
CHECK
GROUND

OUTPUT
HARN

SSHORT
IN
G
SENSOR

1)
Disconnect
connector
from
G
sensor
.

2)
Measure
resistance
between
ABSCM&H/U

and
chassis
ground
.

Connector
&
terminal

(F49)
No
.
6
-
Chassis
ground
:

CHECK
;
Is
the
resistance
more
than
1
M52?

S
:
Go
to
step
8Y6
.

connector

No
:
Repair
harness
between
G
sensor

ABSCM&H/U
.

and
8Y6
CHECK
BATTERY
SHORT
OF
HARNESS
.

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?

,rES
:
Go
to
step
8Y7
.

No
:
Repair
harness
between
G
sensor
and

ABSCM&H/U
.

86

-
84M1262A
I

B4M1263A
I

BRAKES
[ABS
5
.31
TYPE]
IT8Y$I4-4d

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

$Y7
CHECK
BATTERY
SHORT
OF
HARNESS
.

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?

Go
to
step
8Y8
.

No
:
Repair
harness
between
G
sensor
and

ABSCM&H/U
.

8Y8
I
CHECK
GROUND
SHORT
OF
HARNESS
.

Measure
resistance
between
ABSCM&H/U
connector
and

chassis
ground
.

Connector
&
terminal

(F49)
No
.
28
-
Chassis
ground
:

CHECK
;
Is
theresistance
more
than
1
MS2?

Go
to
step
8Y9
.

No
:
Repair
harness
between
G
sensor
and

ABSCM&H/U
.

Replace
ABSCM&H/U
.

87

BRAKES
[ABS
5
.31
TYPE]
[T10B0]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

B
:
LIST
OF
TROUBLE
CODE

Code
Display
screen
(FBi)
Contents
of
diagnosis
Ref
.
to

-
ERROR
3
(1)
Select
monitor
communication
failure
[T10COJ*10

11
NO
TROUBLE
Although
no
trouble
appears
on
the
select
monitor
display,
the
ABS
warning
light
remains
on
.
[T10D0]*10

21
FR
.
SS
HARD
Open
circuit
orinput
voltage
too
high
of
FR
sensor
[T10E0]*10

22
FR
.
SS
SOFT
Abnormal
ABS
sensor
signal
of
FRsensor
[T1010J*10

23FL
.
SS
HARD
Open
circuit
orinput
voltage
too
high
of
FLsensor
[T10F0]*10

24FL
.
SS
SOFT
Abnormal
ABS
sensor
signal
of
FL
sensor
[T10J0]*10

25
RR
.
SS
HARD
Open
circuit
orinput
voltage
too
high
of
RR
sensor[T10G0]*10
26
RR
.
SS
SOFT
Abnormal
ABS
sensor
signal
of
RR
sensor[T10K0]*10
27
RL
.
SS
HARD
Open
circuit
orinput
voltage
too
high
of
RL
sensor
[T10H0]tr10

28
RL
.
SS
SOFT
Abnormal
ABS
sensor
signal
of
RL
sensor
[T10L0]*10

29
EITHER
.
SS
SOFT
Abnormal
ABS
sensor
signal
(any
one
of
four)
JT10M0]{r10

31
FR
.
EV
VALVE
Abnormal
FR
inlet
valve
[T10N0]*10

32
FR
.
AV
VALVE
Abnormal
FR
outlet
valve
[T10R0]*10

33
FL
.
EV
VALVE
Abnormal
FL
inlet
valve
[T1000]*10

34
FL
.
AV
VALVE
Abnormal
FL
outlet
valve
[T10S0]xr10

35
RR
.
EV
VALVE
Abnormal
RR
inlet
valve
[T10P0]*10

36
RR
.
AV
VALVE
Abnormal
RR
outlet
valve
[T10T0]*10

37
RL
.
EV
VALVE
Abnormal
RL
inlet
valve
[T10QO]*10

38
RL
.
AV
VALVE
Abnormal
RL
outlet
valve[T10U0]tr10

41
ECU
Abnormal
ABSCM&H/U
[T10V0)*10

42
LOW
VOLTAGE
Source
voltage
is
low
.
[T10W0]tr10

HIGH
VOLTAGE
Source
voltage
is
high
.
[T10X0]*10

44
CCM
LINE
A
combination
of
AT
control
abnormals
(ABS
not
in
control)
[T10Y0]*10

CCM
OPEN
A
combination
of
AT
control
abnormals
(ABS
in
control)
[T10Z0]*10

V
.
RELAY
Abnormal
valve
relay
[T10AA0]*10
51
V
.
RELAY
ON
Valve
relay
ON
failure
[T10AB0]*10

M
.
RELAY
OPEN
Open
circuit
of
motor
relay
[T10AC0]*10

52
M
.
RELAY
ON
Motor
relay
ON
failure
[T10AD0]tr10

MOTOR
Abnormal
motor
[T10AE0]*10

54
BLS
Abnormal
stop
light
switch
[T10AF0]*10

G
SENSOR
LINE
Open
or
short
circuit
of
G
sensor
[T10AG0]*10

G
SENSOR
+B
Battery
short
of
G
sensor
[T10AH0]*10
56
G
SENSOR
H
~x
Abnormal
G
sensor
high
V
output
[T10A10]*10

G
SENSOR
STICK
I
G
sensor
output
is
stuck
.
[T10AJ0]*10

NOTE
:

High
~t
means
high
friction
coefficient
against
road

surface
.

103

BRAKES
[ABS
5
.3i
TYPE]
[T1
0C4]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

1~
\

v
ILIA

m(l
(l
n
!~
5r
J
%

B4M0430

1
10C1
I
CHECKGENERATOR
.I

1)
Start
the
engine
.

2)
Idle
the
engine
.

3)
Measure
voltage
between
generator
and
chassis

ground
.

Terminal

Generator
B
terminal
(+)
-
Chassis
ground
(
)
:

CHECK
;
Is
the
voltage
between
10
and
15
V?

Go
tostep
10C2
.

No
:
Repair
generator
.

10C2
CHECK
BATTERY
TERMINAL
.

Turn
ignition
switch
to
OFF
.

CHECK
:
Is
there
poor
contact
at
battery
terminal?

,rES
:
Repair
battery
terminal
.

No
:
Go
to
step
10C3
.

10C3
CHECK
I
MONITOR
.

MMUNICATION
OF
SELECT

Using
the
select
monitor,
check
whether
communication

to
other
system(suchas
engine,
AT,
etc
.)
can
be
executed

normally
.

CHECK
:
Are
the
name
and
year
ofthe
system
dis-

played
on
theselect
monitor?

Go
to
step
10C4
.

No
:
Repair
select
monitor
communication
cable
and

connector
.

10C4
CHECK
I
CONNECTOR
.

INSTALLATION
OF
ABSCM&H/U

Turn
ignition
switch
to
OFF
.

CHECK
:
Is
ABSCM&HIU
connector
inserted
into

ABSCM&HlU
until
the
clamp
locks
onto
it?

Go
to
step
10C5
.

n~o
:
Insert
ABSCM&H/U
connector
into
ABSCM&H/U

until
the
clamp
locks
onto
it
.

105

4-4d
ITyoNS1
BRAKES
[ABS
5
.31
TYPE]

10
.
Diagnostics
Chart
with
Select
Monitor

Except
OUTBACK
model

1
2

D

84M0806E

OUTBACK
model

Front
Rear

zt

D

B4M
1036C

Except
OUTBACK
model

1
2

0

-V+

B4M0807E

OUTBACK
model

Front
Rear

1
22
1

D

_v+
-_
B4M
1037C
10H8
CHECK
ANY

I
APPEARANCE

.THER
TROUBLE
CODES

CHECK
;
Are
other
trouble
codes
being
output?

vES
:
Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporarypoor
contact
.

NOTE
:

Check
harness
and
connectors
between
ABSCM&H/U

and
ABS
sensor
.

10H9
CHECK
ABS
SENSOR
.

1)
Turn
ignition
switch
to
OFF
.

2)
Disconnect
connector
from
ABS
sensor
.

3)
Measure
resistanceof
ABS
sensor
connector
terminals
.

Terminal

Front
RH
No
.
1
-
No
.
2
:

Front
LHNo
.
1
-
No
.
2
:

Rear
RH
No
.
1
-
No
.
2
:

Rear
LH
No
.
1
-
No
.
2
:

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

~
:
Go
to
step
10H10
.

No
:
Replace
ABS
sensor
.

10H10
CHECK
BATTERY
SHORT
OF
ABS
SENSOR
.

1)
Disconnect
connector
from
ABSCM&H/U
.

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?

Go
to
step
10H11
.

No
:
Replace
ABS
sensor
.

116

BRAKES
[ABS
5
.3i
TYPE]
[710H12]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

Except
OUTBACK
model

1
2

0

L
EV
B4M0807E

OUTBACK
model

Front
hear

2
1

D

-
B4M1037C

11
I
CHECK
BATTERY
SHORT
OF
ABS
SENSOR
.

1)
Turn
ignition
switch
to
ON
.

2)
Measure
voltage
between
ABS
sensor
and
chassis

ground
.

Terminal

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

Front
LHNo
.
1
(+)
-
Chassis
ground
(-)
:

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

Rear
LHNo
.
1
(+)
-
Chassis
ground
(
)
:

CHECK
:
Is
the
voltage
less
than
1
V?

Go
to
step
10H72
.

No
:
Replace
ABS
sensor
.

2
CHECK

I
ABSCM&H
UNAND/ABSSENSOR
BETWEEN

1)
Turn
ignition
switch
to
OFF
.

2)
Connect
connector
to
ABS
sensor
.

3)
Measure
resistance
between
ABSCM&H/U
connector

terminals
.

Connector
&
terminal

Trouble
code
21
I
(F49)
No
.
11
-
No
.
12
:

Trouble
code
23
I
(F49)
No
.
9
-
No,
10
:

Trouble
code
25
I
(F49)
No
.
14
-
No
.
15
:

Trouble
code
27
I
(F49)
No
.
7
-
No
.
8
:

CHECK
;
Is
theresistance
between
0
.8
and
1
.2
kS2?

YES
:
Go
tostep
10H13
.

No
:
Repair
harness/connector
between
ABSCM&H/U

and
ABS
sensor
.

117

4-4d
[r1oHy3l
BRAKES
[ABS
5
.31
TYPE]
10
.
Diagnostics
Chart
withSelect
Monitor
F49

B4M1240A
I

I

-

r10H13
CHECK
BATTERY
SHORT
OFHARNESS
.

Measure
voltage
between
ABSCM&H/U
connector
and

chassis
ground
.

Connector
&
terminal

Trouble
code
21
I
(F49)
No
.
11
(+)
-
Chassis
ground

Trouble
code
23
/
(F49)
No
.
9
(+)
-
Chassis
ground

Trouble
code
25
/
(F49)
No
.
14
(+)
-
Chassis
ground

l-)~

Trouble
code
27
/
(F49)
No
.
7
(+)
-
Chassis
ground

CHECK
:
Is
thevoltage
less
than
1
V?

,rES
:
Go
to
step
10H14
.

No
:
Repair
harness
between
ABSCM&H/U
and
ABS

sensor
.

I10H14
CHECK
BATTERY
SHORT
OFHARNESS
.

1)
Turn
ignition
switch
to
ON
.

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

chassis
ground
.

Connector
&
terminal

Trouble
code
21
/
(F49)
No
.
11
(+)
-
Chassis
ground

Trouble
code
23
/
(F49)
No
.
9
(+)
-
Chassis
ground

(-)

Trouble
code
25
I
(F49)
No
.
14
(+)
-
Chassis
ground

Trouble
code
27
/
(F49)
No
.
7
(+)
-
Chassis
ground

(-)

CHECK
:
Is
thevoltage
less
than
1
V?

,rES
:
Go
to
step
10H15
.

No
:
Repair
harness
between
ABSCM&H/U
and
ABS

sensor
.
1
10H15
I
CHECK
INSTALLATION
OF
ABS
SENSOR
.

Tightening
torque
:

32
±
10
N~m
(3
.3
f
1
.0
kg-m,
24
f
7
ft-Ib)

CHECK
:
Are
the
ABS
sensor
installation
bolts
tight-

ened
securely?

,res
:
Go
to
step
10H16
.

No
:
Tighten
ABS
sensor
installation
bolts
securely
.

118