wheel SUBARU LEGACY 1997 Service Owner's Manual

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

BRAKES
[ABS
5
.31
TYPE]
[T8J5]
4-4d

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

811
CHECK

FREELY'FOR
ALONG
TIME
.

TURNED

Check
if
the
wheels
havebeen
turned
freely

for
more
than
one
minute,
such
as
when
the

vehicle
is
jacked-up,
under
full-lock
corner-
ing
or
when
fire
is
not
in
contact
with
road

surface
.

The
ABS
is
normal
.
Erase
the
trouble
code
.

NOTE
:

When
the
wheels
turn
freely
for
along
time,
such
as
when

the
vehicle
is
towed
or
jacked-up,
or
when
steering
wheel

is
continuouslyturned
all
the
way,
this
trouble
code
may

sometimes
occur
.

No
:
Go
to
step
8,12
.

18J2
I
CHECK
TIRE
SPECIFICATIONS
.

CHECK
:
Are
the
fire
specifications
correct?

,res
:
Go
tostep8
.113
.

No
:
Replace
tire
.

18,13
1
CHECK
WEAR
OF
TIRE
.

CHECK
:
Is
the
fire
worn
excessively?

,res
:
Replace
tire
.

No
:
Go
tostep
8,14
.

18J4
I
CHECK
TIRE
PRESSURE
.

CHECK
:
Is
the
fire
pressure
correct?

,rES
:
Go
to
step
8J5
.

No
:
Adjust
tire
pressure
.

18,15
1
CHECK
INSTALLATION
OF
ABS
SENSOR
.

Tighteningtorque
:

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

CHECK
:
Are
the
ABS
sensor
installation
bolts
tight-

ened
securely?

,res
:
Go
to
step
8J6
.

No
:
Tighten
ABS
sensor
installation
bolts
securely
.

49

4-4d
[TSJs1
BRAKES
[ABS
5
.31
TYPE]

8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light

G4M0700
I

G4M0701

CHECK
INSTALLATION
OF
TONE
WHEEL
.

Tightening
torque
:

13
f
3
N~m
(1.3
f
0
.3
kg-m,
9
f
2
.2
ft-Ib)

CHECK
:
Are
the
tone
wheel
installation
bolts
tight-

ened
securely?

,res
:
Go
to
step
8J7
.

No
:
Tightentone
wheel
installation
bolts
securely
.

8J7
I
CHECK
ABS
SENSOR
GAP
.

Measure
tone
wheel
to
pole
piece
gap
over
entire
perim-

eter
of
the
wheel
.

CHECK
:
Is
the
gap
within
thespecifications
shown
in

the
following
table?

Front
wheel
Rear
wheel

Specifications
0
.9
-
1.4
mm

(0
.035
-
0
.055
in)
0
.7
-
1.2
mm

(0
.028
-
0
.047
in)

,
.ES
:
Go
tostep
8J8
.

No
:
Adjust
the
gap
.

NOTE
:

Adjustthe
gap
using
spacer
(Part
No
.
26755AA000)
.
If

spacers
cannot
correct
the
gap,
replace
worn
sensor
or

worn
tone
wheel
.

18,18
1
CHECK
OSCILLOSCOPE
.

Is
an
oscilloscopeavailable?

YES
:
Go
to
step
8J9
.

No
:
Go
to
step
8,1110
.

8J9
I
CHECK
ABS
SENSOR
SIGNAL
.

1)
Raise
all
four
wheels
of
ground
.

2)
Turn
ignition
switch
OFF
.

3)
Connect
theoscilloscope
to
the
connector
(F1)
or
con-

nector(B100)
.

4)
Turn
ignition
switch
ON
.

50

t
Sensor
gap

Sensor
gap

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
[TSOO1
BRAKES
[ABS
5
.31
TYPE]

9
.
Select
Monitor
Function
Mode

o

°~°

poo

I
\G2M0096

9
.
Select
Monitor
Function
Mode

Applicable
cartridge
of
select
monitor
:
No
.
498346300

A
:
LIST
OF
FUNCTION
MODE

1,
F
MODE
(ROM
ID,
ANALOG
DATA
ARE

DISPLAYED
.)

Function
code
it
M
i
C
easur
ng
ems
ontents
to
be
monitored
Scroll
Ref
.
to
Code
Abbreviation

F00
ROM
ID
ECM
identification
ROM
ID
number
of
ECM
is
read
and
enabled
possible
[T9B0]*10
communication
state
is
displayed
.

F01
FRFR
wheel
speedWheel
speed
detected
by
the
FR
ABS
sensor
is
possible
[T9COJ*10
(mile/h)
displayed
in
mile/h
.

F02
FLFL
wheelspeed
Wheel
speed
detected
by
the
FL
ABS
sensor
is
Possible
[T9D0]x10
(mile/h)
displayed
in
mile/h
.

F03
RR
RR
wheel
speedWheelspeed
detected
by
the
RR
ABS
sensor
is
possible
[T9E0]*10
(mile/h)
displayed
in
mile/h
.

F04
RLRL
wheel
speed
Wheel
speed
detected
by
the
RL
ABS
sensor
is
possible
[T9F0]*10
(mileJh)
displayed
in
mile/h
.

F05
FRFR
wheelspeed
Wheel
speed
detected
by
the
FR
ABS
sensor
is
possible
[T9C0j*10
(km/h)
displayed
in
km/h
.

F06
FL
FL
wheel
speedWheelspeed
detected
by
the
FL
ABS
sensor
is
possible
[T9D0]*10
(km/h)
displayed
in
km/h
.

F07
RRRR
wheel
speedWheelspeed
detected
by
the
RR
ABS
sensor
is
Possible
[T9E0]*10
(km/h)
displayed
in
km/h
.

F08
RLRL
wheel
speedWheelspeed
detected
by
the
RL
ABS
sensor
is
possible
[T9FO]w10
(km/h)
displayed
in
km/h
.

F09
BLS
Stop
light
switch
Stop
light
switch
monitor
voltage
is
displayed
.
Possible
[T9G0]d10
monitor

G
sensor
output
Refers
to
vehicleacceleration
detecting
by
the
[T9H0]*10
F10
G-SENS
voltage
(V)
analog
G
sensor
.
It
appears
on
theselect
moni-
Possible

for
display
in
volts
.

90

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

9
.
Select
Monitor
Function
Mode

4
.
FC
MODE
(TROUBLE
CODES
ARE
ERASED
.)

Function
code

Code
Abbreviation
Measuring
items
Contents
to
be
monitored
Scroll
Ref
.
to

Historyoftrouble
FCOD~CLR
Function
of
clearing
trouble
code
.
Possible
[T9J0]*10
codes
is
erased
.

5
.
FD
MODE
(ABS
SEQUENCE
CONTROL
MODE)

Function
code
M
i
Code
Abbreviation
easurng
items
Contents
to
be
monitored
Scroll
Ref
.
to

FD1A~CHK
ABS
sequence
con-
Perform
ABS
sequence
control
by
operating
impossible
4-4

tral
valve
and
pump
motor
sequentially
.
[W25D2]*10
6
.
FE
MODE
(FREEZE
FRAME
DATA)

NOTE
:

9
Data
stored
at
the
time
of
trouble
occurrence
is
shown

on
display
.

Each
time
trouble
occurs,
the
latest
information
is

stored
in
the
freeze
frame
data
in
memory
.

Function
code
Measuring
items
Contents
to
be
monitored
Scroll
Ref
.
to
Code
Abbreviation

FE1
FR
FR
wheel
speedWheelspeed
detected
by
the
FR
ABS
sensor
is
possible
[T9K0]*10
(milelh)
displayed
in
mile/h
.

FE2
FL
FL
wheelspeed
Wheelspeed
detected
by
the
FL
ABS
sensor
is
possible
[T9L0]*10
(mile/h)
displayed
in
mile/h
.

FE3
RRRR
wheelspeed
Wheelspeed
detected
by
the
RR
ABS
sensor
is
possible
[T9MO]*10
(milelh)
displayed
in
mite/h
.

FE4
RLRL
wheel
speedWheel
speed
detected
by
the
RL
ABS
sensor
is
possible
[T91V0]*10
(mile/h)
displayed
in
mite/h
.

FE5
FRFR
wheel
speedWheelspeed
detected
by
the
FR
ABS
sensor
is
possible
[T9K0]fr10
(km/h)
displayed
in
km/h
.

FE6
FL
Ft
wheel
speed
Wheel
speed
detected
by
the
FL
ABS
sensor
is
Possible
[T9L0]~10
(km/h)
displayed
in
km/h
.

FE7
RRRR
wheel
speed
Wheel
speed
detected
by
the
RR
RBS
sensor
is
possible
[T9M0]*10
(km/h)
displayed
in
km/h
.

FE8
RLRL
wheel
speedWheelspeed
detected
by
the
RL
ABS
sensor
is
possible
[T9N0]t`r10
(km/h)
displayed
in
km/h
.

FE13
POWER
ABSCM&H/U
power
Power
(in
volts)
supplied
to
ABSCM&H/U
Possible
[T900]*10
supply
voltage
(V)
appears
on
the
select
monitor
display
.

G
sensor
output
Refers
to
vehicleacceleration
detected
by
the

FE14
G-SENS
voltage
(V)
analog
G
sensor
.
It
appears
on
the
select
moni-
Possible
[T9P0]*10

for
display
in
volts
.

MM
Motor
relay
monitor
LED
1
comes
on
when
motor
relay
is
on
.

131
Stop
light
switch
LED
2
comes
on
with
the
stop
light
switch
on
(with
the
brakepedal
depressed)
.
FE15
ATAT
ABS
signal
LED
3
comes
an
when
ABS
control
is
on
.
Possible
[T9Q0]~10

CM
CCM
signal
LED
4
comes
on
when
ABS
control
is
on
.

AO
ABS
control
LED
5
comes
on
when
ABS
control
is
on
.

FE16
CODE
trouble
code
The
most
recent
trouble
code
appears
on
select
Possible
(T9R0]*10
monitor
display
.

92

4-4d[T9B0]
BRAKES
[ABS
5
.31
TYPE]

9
.
Select
Monitor
Function
Mode

1997
(F00)

AB
S
4WD
"
AT

H4M1117

B
:
MODE
F00

-
ROM
ID
NUMBER
(ROM)
-

CONDITION
:

Ignition
switch
ON

SPECIFIED
DATA
:

Presentation
display

911311
CHECK
MESSAGE
OF
DISPLAY
.

CHECK
;
Does
display
indicate
message
"Error
I"?

Repair
loose
or
disconnect
connector,
or
discon-

tinued
circuit
in
data
linkcircuit
.

No
:
Go
to
step
982
.

FR
(F05)

30
km/h

B4M0922

191132
I
CHECK
MESSAGE
OF
DISPLAY
.

CHECK
:
Does
display
indicate
message
"Error
2"?

YES
:
Repair
poor
contact
of
select
monitor
cartridge,

or
installation
of
different
type
select
monitor
car-

tridge
.

No
:
Data
link
system
is
normal
.

C
:
MODE
F01
AND
F05

-
FRONT
RIGHT
WHEEL
SPEED
SIGNAL

(FR)
-

Compare
speedometer
with
monitor
indications
.

"
F01
:
FR
wheelspeed
is
indicated
in
mile
per
hour
(mile/

h)
.

*
F05
:
FR
wheel
speed
is
indicated
in
kilometerper
hour

(km/h)
.

NOTE
:

The
monitoras
shown,
indicates
that
FR
wheel
speed
is

30
km/h
.

94

BRAKES
[ABS
5
.31
TYPE]
[T9E0]
4-4d

9
.
Select
Monitor
Function
Mode

FL
(F06)
29
km/h

B4M0923

RR
(F07)

10
km/h

B4M0924

D
:
MODE
F02
AND
F06

-
FRONT
LEFT
WHEEL
SPEED
SIGNAL

(FL)
-

Compare
speedometer
with
monitor
indications
.

"
F02
:
FL
wheelspeed
is
indicated
in
mile
perhour
(mile/
h)
.

9
F06
:
FL
wheel
speed
is
indicated
in
kilometer
per
hour

(km/h)
.

NOTE
:

The
monitor
as
shown,
indicates
that
FL
wheel
speed
is

29
km/h
.

E
:
MODE
F03
AND
F07

-
REAR
RIGHT
WHEEL
SPEED
SIGNAL

(RR)
-

Compare
speedometer
with
monitor
indications
.

"
F03
:
RR
wheel
speed
is
indicated
in
mile
perhour
(mile/
h)
.

9
F07
:
RR
wheel
speed
is
indicated
in
kilometer
per
hour

(km/h)
.

NOTE
:

The
monitor
as
shown,
indicates
that
RR
wheel
speed
is

10
km/h
.

95

4-4d
[T9F0]
BRAKES
[ABS
5
.3i
TYPE]
9
.
Select
Monitor
Function
Mode

RL
(F08)

50
km/h

B4M0925

BLS
(FQ9)

12
.00
V

B4M1265

G-SENS
(F
10)
2
.30
V

B4M0927I

F
:
MODE
F04
AND
F08

-
REAR
LEFT
WHEEL
SPEED
SIGNAL
(RL)
-

Compare
speedometer
with
monitor
indications
.

"
F04
:
RL
wheelspeed
is
indicated
in
mile
per
hour
(mile/

h)
.

*
F08
:
RL
wheel
speed
is
indicated
in
kilometerper
hour

(km/h)
.

NOTE
:

The
monitoras
shown,
indicates
that
RL
wheelspeed
is

50km/h
.

G
:
MODE
F09

-
STOP
LIGHT
SWITCH
MONITOR
(BLS)
-

9
Stop
light
switch
monitor
voltage
is
displayed
.

H
:
MODE
F10

-
G
SENSOR
OUTPUTVOLTAGE
(G-SENS)
-

*
Refers
to
vehicle
accelerationdetecting
bythe
analog

G
sensor
.
It
appears
on
the
select
monitor
display
in
volts
.

NOTE
:

Only
AWD
model

96