1997 SUBARU LEGACY ESP

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

4-4d
[T1oHyl
BRAKES
[ABS
5
.3i
TYPE]

10
.
Diagnostics
Chart
with
Select
Monitor

FR
(F05)

30
km/h

B4M0922

I1
0H1
(CHECK
OUTPUT

SELECT
MONITORF

ABS
SENSOR
USING

Read
the
ABS
sensoroutput
corresponding
to
the
faulty

system
in
the
select
monitor
function
mode
.

NOTE
:

The
select
monitor
display
shows
that
the
front
right
wheel

is
rotating
at
30km/h
.

CHECK
:
Does
the
speed
indicated
on
the
display

change
in
response
to
the
speedometer

reading
during
acceleration/deceleration

when
the
steering
wheel
isin
the
straight-

ahead
position?

YES
:
Go
to
step
10H2
.

No
:
Go
to
step
10H9
.

1OH2
I
HECK
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
10H3
.

No
:
Tighten
ABS
sensor
installation
bolts
securely
.

10H3
I
CHECK
INSTALLATION
OFTONE
WHEEL
.

Tightening
torque
:

13±3
N~m
(1
.3±0
.3
kg-m,
9±2
.2
ft-Ib)

CHECK
:
Are
the
tone
wheel
installation
bolts
tight-

ened
securely?

ves
:
Go
to
step
10H4
.

No
:
Tightentone
wheel
installation
bolts
securely
.

114

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
.31
TYPE]
[T10H23]
4-4d

10
.
DiagnosticsChart
with
Select
Monitor
~10H22
I
CHECK
ABSCM&H/U
.

1)
Connect
all
connectors
.

2)
Erase
the
memory
.

3)
Perform
inspection
mode
.

4)
Read
out
the
trouble
code
.

CHECK
:
Is
the
same
trouble
code
as
in
the
current

diagnosis
still
being
output?

vES
:
Replace
ABSCM&H/U
.

No
:
Go
to
step
10H23
.

10H23
CHECK
ANY
I
APPEARANCE

.THER
TROUBLE
CODES

CHECK
:
Are
other
trouble
codes
being
output?

U
:
Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

A
temporary
poor
contact
.

NOTE
:

Check
harness

and
ABS
sensor
.

and
connectors
between
ABSCM&H/U

121

4-4d
[T1
01-111
BRAKES
[ABS
5
.31
TYPE]

10
.
Diagnostics
Chart
withselect
monitor

FR
(F05)

30
km/h

B4M0922

(SELECT

CHECK
OUTPUT
MONITOR

F
ABS
SENSOR
USING

Read
the
ABS
sensor
output
corresponding
to
the
faulty

system
in
the
select
monitor
function
mode
.

NOTE
:

The
select
monitor
display
shows
that
the
front
right
wheel

is
rotating
at
30
km/h
.

CHECK
:
Does
the
speed
indicated
on
the
display

change
in
response
to
the
speedometer

reading
during
acceleration/deceleration

when
the
steering
wheel
is
in
the
straight-

ahead
position?

Go
to
step
1012
.

No
:
Go
to
step
10L8
.

I1011-2
CHECK
POOR
CONTACT
IN
CONNECTORS
.

Turn
ignition
switch
to
OFF
.

CHECK
:
Is
there
poor
contact
in
connectors
between

ABSCM&HfU
and
ABS
sensor?

,rES
:
Repair
connector
.

No
:
Go
to
step
10L3
.

10L3
I
CHECK
SOURCES
OF
SIGNAL
NOISE
.

CHECK
:
Is
the
cartelephone
orthe
wireless
transmit-

ter
properly
installed?

Go
to
step
10L4
.

No
:
Properly
install
the
car
telephone
or
the
wireless

transmitter
.

1
10L4
I
CHECK
SOURCES
OF
SIGNAL
NOISE
.

Are
noise
sources
(such
as
an
antenna)

installed
near
the
sensorharness?

Install
the
noise
sources
apartfromthe
sensor

harness
.

No
:
Go
to
step
10L5
.

124

BRAKES
[ABS
5
.31
TYPE]
[r1oLs1
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

8100

1
91817161
5
1
4
1
3
21
2
191
76
51
11
11

J

84M1244A

10L5
CHECK
SHIELD
CIRCUIT
.

1)
Turn
ignition
switch
to
OFF
.

2)
Connect
all
connectors
.

3)
Measure
resistance
between
shield
connector
and

chassis
ground
.

Connector
&
terminal

Trouble
code
22
I
(8100)
No
.
11
-
Chassis
ground
:

Trouble
code
24
!
(8100)
No
.
2
-
Chassis
ground
:

Trouble
code
26
l
Go
to
step
10L6
.

Trouble
code
28
I
Go
to
step
10L6
.

CHECK
:
Is
the
resistance
less
than0
.5
S2?

Go
to
step
10L6
.

No
:
Repair
shield
harness
.

10L6
CHECK
ABSCM&H/U
.

1)
Connect
all
connectors
.

2)
Erase
the
memory
.

3)
Perform
inspection
mode
.

4)
Read
out
the
trouble
code
.

CHECK
:
Is
the
same
trouble
code
as
in
the
current

diagnosis
still
being
output?

Replace
ABSCM&H/U
.

No
:
Go
to
step
10L7
.

10L7
CHECK
ANY
OTHER
TROUBLE
CODES

APPEARANCE
.

CHECK
:
Are
othertrouble
codes
being
output?

Proceed
withthe
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
noise
interference
.

11011-8
1
CHECK
INSTALLATION
OF
ABS
SENSOR
.
I

Tightening
torque
:

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

Are
the
ABS
sensor
installation
bolts
tight-

ened
securely?

Go
to
step
10L9
.

Tighten
ABS
sensor
installation
bolts
securely
.

125

BRAKES
[ABS
5
.31
TYPE]
[T10L26]
4-4d

10
.
Diagnostics
Chart
withSelect
Monitor

10L25
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
the
current
diagnosis
still
being
output?

,rES
:
Replace
ABSCM&H/U
.

No
:
Go
to
step
10L26
.

10L26
CHECK
ANY
I
APPEARANCE

.THER
TROUBLE
CODES

CHECK
;
Are
other
trouble
codes
being
output?

Proceed
withthe
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
noise
interference
.

131

4-4d
[TIoM131
BRAKES
[ABS
5
.31
TYPE]

10
.
Diagnostics
Chart
with
Select
Monitor

10M13
I
CHECK
ABSCM&H/U
.

1)
Turn
ignition
switch
to
OFF
.

2)
Connect
all
connectors
.

3)
Erase
the
memory
.

4)
Perform
inspection
mode
.

5)
Read
out
the
trouble
code
.

CHECK
:
Is
the
same
trouble
codeas
in
thecurrent

diagnosis
still
being
output?

,res
:
Replace
ABSCM&H/U
.

No
:
Go
to
step
10M14
.

10M14
CHECK
ANY
OTHER
TROUBLE
CODES

APPEARANCE
.

CHECK
:
Are
other
trouble
codes
being
output?

0
:
Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
poor
contact
.

136