display SUBARU LEGACY 1997 Service Repair Manual

4-4
[W25D2]
SERVICE
PROCEDURE

25
.
ABS
Control
Module
and
Hydraulic
Control
Unit
(ABSCM&H/U)
[ABS
5
.3i
Type]

[F-101
O
ENT

B4M0635

ABS
FUNCTION

CHECK
MODE

B4M0997
I

BRAKE
ON

KEEP100-150

B4M0998
I

MODE
START
PRESS
ENT
KEY

B4M0999

FUNCTION
START

UNABLE

SWIM

4)
Press
FD
1
ENT
key
.

5)
The
message
shown
in
the
figure
is
displayed
.

6)
The
message
shown
in
the
figure
is
displayed
as
fol-

lows
:

(1)
When
using
the
brake
tester,
depress
brake
pedal

with
braking
force
of
981
N
(100
kg,
221
Ib)
.

(2)
When
using
the
pressure
gauge,
depress
brake

pedalsoas
to
make
the
pressure
gauge
indicate
3,432

kPa
(35
kg/cm2,
498
psi)
.

CAUTION
:

Do
not
depress
the
clutch
pedal
.

7)
When
the
message
shown
in
the
figure
is
displayed,

press
ENT
key
.

8)
Check
points
will
be
displayed
on
select
monitor
.

9)
WhenABS
sequence
control
cannot
be
started
(by

system
malfunction,
etc
.),
the
message
shown
in
the
fig-

ure
will
be
displayed
.

NOTE
:

Read
the
trouble
codes
.
Repair
faulty
parts
.

12

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

BRAKES
[ABS
5
.31
TYPE]
[T9A3]
4-4d

9
.
Select
Monitor
Function
Mode

2
.
FA
MODE
(ON/OFF
DATA
ARE
DISPLAYED
.)

Function
code
M
it
i
b
i
C
l
Code
Abbreviation
easur
ng
ems
ontents
to
e
mon
toredScrol
Ref
.
to

131
Stop
light
switch
LED
1
comes
on
withthe
switch
on
(with
the

brake
pedal
down)
.

VR
Valve
relay
signal
LED
2
comes
on
withthevalverelay
off
.

MR
Motor
relay
signal
LED
3
comes
on
with
the
motor
on
.

FAO
ATAT
ABS
signal
LED
4
comesonwhen
ABS
control
is
on
.
Possible
[T910]*10

AW
ABS
warning
light
LED
6
comes
on
when
the
warning
light
is
on
.

VM
Valve
relay
monitor
LED
1
comes
on
with
thevalverelay
off
.

MM
Motor
relay
monitor
LED
8
comes
on
when
the
motor
relay
is
on
.

CM
CCM
signal
LED
9
comes
on
when
ABS
control
is
on
.

3
.
FB
MODE
(TROUBLE
CODES
ARE
DISPLAYED
.)

Function
code
M
i
s
easuring
tem
Contents
to
be
monitored
Scroll
Ref
.
to
Code
Abbreviation

D~ALL
A
maximum
of
3
trouble
codes
are
displayed
in

order
of
occurrence
.

D~NEW
The
most
recent
trouble
code
appears
on
the

select
monitor
display
.

FB1
D~MID
Historyoftrouble
The
second
most
recent
trouble
code
appears
Possible
[T10B0]*10codes
is
displayed
.
on
the
select
monitor
display
.

D~OLDThe
third
most
recent
trouble
code
appears
on

the
select
monitor
display
.

D~REF
A
specified
period
of
time
proceeding
trouble

code
appears
on
the
select
monitor
display
.

Do
*a*
22?(FB1)

FR
.
SS
SOFT

84M0919

NOTE
:

9
If
a
particular
trouble
code
is
notproperly
stored
in

memory
(due
to
a
drop
in
ABSCM&H/U
power
supply,
etc
.)

when
a
problem
occurs,
the
trouble
code,
followed
bya

question
mark
"?",
appears
on
the
select
monitor
display
.

This
shows
it
may
be
an
unreliable
reading
.

9*
a*
refers
to
the
troubles
in
order
of
occurrence
(NEW
.

MID,
OLD
and
REF)
.

91

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

BRAKES
[ABS
5
.31
TYPE]
[T9A6]
4-4d

9
.
Select
Monitor
Function
Mode

1)
When
a
trouble
code
is
not
stored
in
memory,
activat-

ingthe
FE
mode
causes
the
initial
value
to
appear
on
the

select
monitor
display
.

"
FE1
-
4
:
159
mite/h

"
FE5
-
8
:
255
km/h

"
FE13
:
18
.05
V
"
FE14
:
5
.00
V
"
FEi5
:
The
MM,
131
andAOLEDs
are
ors
.

The
AT
and
CM
LEDs
areout
.

"
FE16
:
NO
HISTORY
OF
OCCURRED

FR
?(FES)

30
km/h

84M,056,

MM
B
1
AT
CM
AO

77?77?
7?
??

B4Mt057
I

2)
If
freeze
frame
data
is
notproperty
stored
in
memory

(due
to
a
drop
in
ABSCM
power
supply,
etc
.),
a
trouble

code,
preceded
by
a
question
mark
"?",
appears
on
the

select
monitor
display
.
This
shows
it
may
be
an
unreliable

reading
.

3)
When
a
trouble
code
is
detected
in
the
FE
mode,
a

question
mark
"?"
appears
continuously
on
the
select

monitor
display
until
the
freeze
frame
data
is
stored
in

memory
.

93

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

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

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

9
.
Select
Monitor
Function
Mode
LED
No
.
Signal
name
Display

1
Stop
light
switch
81

2
Valve
relaysignal
VR

3
Motor
relaysignal
MR

4
AT
ABS
signal
AT

5
--

6
ABS
warning
light
AW

7
Valve
relay
monitor
VM

8
Motor
relay
monitor
MM

9
CCM
signal
cm

10
--

B1
VR
MR
AT
-

AWVM
MM
CM
-

ooooa

F
;_1
F-7-1
P-1
F9-1
10

1:
MODE
FAO

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"

LED
No
.
1
Stop
light
switch
is
turned

pedal
depressed
.)

LED
No
.
2
Valve
relay
is
turned
OFF
.

LED
No
.
3
Motor
relay
is
turned
ON
.

LED
No
.
4
ABS
control
operates
.

LED
No
.
6
ABS
warning
light
is
ON
.

LED
No
.
7Valve
relay
is
turned
OFF
.

LED
No
.
8
Motor
relay
is
turned
ON
.

LED
No
.
9
ABS
control
operates
.

ON
.
(With
brake

97

BRAKES
[ABS
5
.31
TYPE]
[T9R0]
4-4d

9
.
Select
Monitor
Function
Mode

G-SENS
(FE14)

2
.27
V

B4M0939
I

LED
No
.
Signal
name
Display

1
Motor
relay
monitor
MM

2
Stop
tight
switch
131

3
AT
ABS
signal
AT

4
CCM
signal
cm

5
ABS
signal
AO

s
-
-

--

a
--

9
--

10
l
-

MM
131
AT
CM
AO

uoona

ooao
,o

CODE
21
(
F
E
16
)

FR
.
SS
HARD

H4
M
1151

P
:
MODE
FE14

-
G
SENSOR
OUTPUTVOLTAGE
(G-SENS)
-

9
Refers
to
vehicle
acceleration
detected
by
the
analog
G

sensor
at
the
time
of
malfunction
.
It
appears
on
the
select

monitor
display
in
volts
.

NOTE
:

Only
AWD
model

Q
:
MODE
FE15

-
ON
H
OFF
SIGNAL
-

"
ON
or
OFF
is
indicated
at
the
timeof
malfunction
.

"
Requirement
for
LED
"ON"

LED
No
.
1
Motor
relay
is
turned
ON
.

LED
No
.
2Stop
light
switch
is
turned
ON
.
(With
brake

pedal
depressed
.)

LED
No
.
3
ABS
control
operates
.

LEDNo
.
4
ABS
control
operates
.

LED
No
.
5
ABS
control
operates
.

R
:
MODE
FE16

-
TROUBLE
CODE
(CODE)
-

e
When
freeze
frame
data
is
stored
in
memory,
trouble

code
appears
on
monitor
.

NOTE
:

The
monitor
as
shown,
indicates
trouble
code
21
.

101

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