1997 SUBARU LEGACY ESP

BRAKES
[ABS
5
.31
TYPE]
[T10Q5]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

~1004
l
CHECK
ABSCM&HIU
.

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
thecurrent

diagnosis
still
being
output?

Replace
ABSCM&H/U
.

No
:
Go
to
step
1005
.

CHECK
ANY

APPEARANCE

.THER
TROUBLE
CODES

5
I

Are
other
trouble
codes
being
output?

Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
poor
contact
.

141

BRAKES
[ABS
5
.3i
TYPE]
[T10U5]
4-4d

10
.
Diagnostics
Chart
withSelect
Monitor

I
10U4
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
thecurrent

diagnosis
still
being
output?

,mss
:
Replace
ABSCM&H/U
.

No
:
Go
to
step
10U5
.

10U5
CHECK
ANY
OTHER
TROUBLE
CODES

APPEARANCE
.

CHECK
:
Are
other
trouble
codes
being
output?

Proceed
withthe
diagnosis
corresponding
tothe
trouble
code
.

No
:
A
temporary
poor
contact
.

145

4-4d
[T1ovs1
BRAKES
[ABS
5
.31
TYPE]

10
.
Diagnostics
Chart
with
Select
Monitor

10V6
CHECK
ANY
OTHER
TROUBLE
CODES

APPEARANCE
.

CHECK
:
Are
other
trouble
codes
being
output?

,rES
:
Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
poor
contact
.

148

4-4d
[rlows3
BRAKES
[ABS
5
.31
TYPE]

10
.
Diagnostics
Chart
withSelect
Monitor

CHECK
POOR
CONTACT
IN
CONNECTORS
.I

CHECK
:
Is
there
poor
contact
in
connectors
between

generator,
battery
and
ABSCM&HIU?
<
Ref
.

to
FOREWORD
{T3C1]
.*i0
>

~,rES~
:
Repair
connector
.

No
:
Go
to
step
10W6
.

1OWS
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?

0
:
Replace
ABSCM&H/U
.

No
:
Go
to
step
10W7
.

CHECK
ANY
OTHER
TROUBLE
CODES

APPEARANCE
.

CHECK
:
Are
other
trouble
codes
being
output?

Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
poor
contact
.

152

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

10
.
Diagnostics
Chart
withSelect
Monitor

(~4~

a
11
6M
8119120121
242526
7
8293031
1

SL
B4M1243A

10X4
CHECK
GROUND
CIRCUIT
OF
ABSCM&H/U
.

1)
Turn
ignition
switch
to
OFF
.

2)
Measure
resistance
between
ABSCM&H/U
connector

and
chassis
ground
.

Connector
&
terminal

(F49)
No
.
23
-
Chassis
ground
:

CHECK
;
Is
the
resistance
less
than
0
.5
0?

0
:
Go
to
step
10X5
.

No
:
Repair
ABSCM&H/U
ground
harness
.

10X5
I
CHECK
POOR
CONTACT
IN
CONNECTORS
.
I

Is
there
poor
contact
in
connectors
between

generator,
battery
and
ABSCM&HlU?
<
Ref
.

to
FOREWORD
[T3C1]
.*10
>

Repair
connector
.

No
:
Go
to
step
10X6
.

10X6
CHECK
ABSCM&H/U
.

1)
Connect
all
connectors
.

2}
Erase
the
memory
.

3)
Perform
inspection
mode
.

4)
Read
out
the
trouble
code
.

~HEC~c
:
Is
the
same
trouble
code
as
in
the
current

diagnosis
still
being
output?

Replace
ABSCM&H/U
.

No
:
Go
to
step
10X7
.

10X7
CHECK
ANY

I
APPEARANCE
.

O
THER
TROUBLE
CODES

CHECK
:
Are
other
trouble
codes
being
output?

0
:
Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
poor
contact
.

156

4-4d
[T11ova1
BRAKES
[ABS
5
.31
TYPE]

10
.
Diagnostics
Chart
with
Select
Monitor

1
10Y4
I
CHECK
A7
.

1s
the
AT
functioning
normally?

0
:
Replace
TCM
.

No
:
Repair
AT
.

1
10Y5
I
CHECK
OPEN
CIRCUIT
OFHARNESS
.I

Measure
voltage
between
ABSCM&HlU
connector
and

chassis
ground
.

Connector
&
terminal

(F49)
No
.
3
(+)
-
Chassis
ground

(F49)
No
.
31
(+)
-
Chassis
ground
(
)
:

c~c~c
:
Is
thevoltage
more
than
10V?

Go
to
step
10Y6
.

No
:
Repair
harness/connector
between
AT
control

moduleand
ABSCM&H/U
.

10Y6
CHECK
POOR
CONTACT
IN
CONNECTORS
.

Is
there
poor
contact
in
connectors
between

AT
control
module
and
ABSCM&HIU?
<
Ref
.

to
FOREWORD
[T3CI]
.*10
>

Repair
connector
.

Go
to
step
10Y7
.

I
10Yt
ICHECK
ABSCM&H/U
.

1)
Connect
all
connectors
.

2)
Erase
the
memory
.

3}
Perform
inspection
mode
.

4}
Read
outthe
trouble
code
.

O
:
Is
the
same
trouble
code
as
in
thecurrent

diagnosis
still
being
output?

0
:
Replace
ABSCM&H/U
.

o
:
Go
to
step
10Y8
.

10Y8
CHECK
ANY

I
APPEARANCE

.THER
TROUBLE
CODES

cK
:
Are
other
trouble
codes
being
output?

0
:
Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
poor
contact
.

160

4-4d
[T1oza1
BRAKES
[ABS
5
.31
TYPE]

10
.
Diagnostics
Chart
withSelect
Monitor

I
10Z3
I
CHECK
OPEN
CIRCUIT
OF
HARNESS
.I

1)
Turn
ignition
switch
to
OFF
.

2)
Connect
all
connectors
to
TCM
.

3)
Turn
ignition
switch
to
ON
.

4)
Measure
voltage
between
ABSCM&H/U
connector
and

chassis
ground
.

Connector
&
terminal

(F49)
No
.
3
(+)
-
Chassis
ground
()
:

(F49)
No
.
31
(+)
-
Chassis
ground
(
)
:

CHECK
:
Is
thevoltage
between
10
V
and
13
V?

Go
to
step
1024
.

No
:
Repair
harness/connector
between
TCM
and

ABSCM&H/U
.
1
10Z4
I
CHECK
POOR
CONTACT
IN
CONNECTORS
.I

Turn
ignition
switch
to
OFF
.

CHECK
:
Is
there
poor
contact
in
connectors
between

A
T
control
module
and
ABSCM&H/U?
<
Ref
.

to
FOREWORD
(T3C1]
.*10
>

,res
:
Repair
connector
.

No
:
Go
to
step
1025
.

diagnosis
still
being
output?

0
:
Replace
ABSCM&H/U
.

No
:
Go
to
step
1026
.

10Z5
I
CHECK
ABSCM&HIU
.

1)
Connect
all
connectors
.

2)
Erase
the
memory
.

3)
Perform
inspection
mode
.

4)
Read
outthe
trouble
code
.

CHECK
:
!s
the
same
trouble
code
as
in
the
current

1026
CHECK
ANY
OTHER
TROUBLE
CODES

APPEARANCE
.

CHECK
:
Are
other
trouble
codes
being
output?

.rES
:
Proceed
with
the
diagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
poor
contact
.

164

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

10
.
Diagnostics
Chart
withSelect
Monitor

J
10AA4
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
10AA5
.

10AA5
CHECK
ANY
OTHER
TROUBLE
CODES
APPEARANCE
.

CHECK
;
Are
other
trouble
codes
being
output?

,rES
:
Proceed
with
thediagnosis
corresponding
to
the

trouble
code
.

No
:
A
temporary
poor
contact
.

168