Page 105 of 3342
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
Page 106 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
4-4d
[rsYS1
BRAKES
[ABS
5
.3i
TYPE]
8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light
B4M0915I
Front
t
1
0
B4M0917A
0
Front
i
a
--
B4M0918A
1
8Y9
I
CHECK
G
SENSOR
.
I
1)
Turn SUBARU LEGACY 1997 Service Repair Manual
4-4d
[rsYS1
BRAKES
[ABS
5
.3i
TYPE]
8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light
B4M0915I
Front
t
1
0
B4M0917A
0
Front
i
a
--
B4M0918A
1
8Y9
I
CHECK
G
SENSOR
.
I
1)
Turn](/manual-img/17/57434/w960_57434-105.png)
4-4d
[rsYS1
BRAKES
[ABS
5
.3i
TYPE]
8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light
B4M0915I
Front
t
1
0
B4M0917A
0
Front
i
a
--
B4M0918A
1
8Y9
I
CHECK
G
SENSOR
.
I
1)
Turn
ignition
switch
to
OFF
.
2)
Remove
G
sensor
from
vehicle
.
3)
Connect
connector
to
G
sensor
.
4)
Connect
connector
to
ABSCM&H/U
.
5)
Turn
ignition
switch
to
ON
.
6)
Measure
voltage
between
G
sensor
connector
termi-
nals
.
Connector
&
terminal
(P11)
No
.
2
(+)
-
No
.
1(
)
:
CHECK
:
Is
thevoltage
between
2
.1
and
2
.4
V
when
G
sensor
is
horizontal?
0
:
Go
tostep
8Y10
.
No
:
Replace
G
sensor
.
8Y10
CHECK
G
SENSOR
.
Measure
voltage
between
G
sensor
connector
terminals
.
Connector
&
terminal
(P11)
No
.
2
(+)
-
No
.
1(
)
:
CHECK
;
Is
the
voltage
between
3
.7
and
4
.1
V
when
G
sensor
is
inclined
forwards
to
90°?
Go
tostep
8Y11
.
No
:
Replace
G
sensor
.
CHECK
G
SENSOR
.
Measure
voltage
between
G
sensor
connector
terminals
.
Connector
&
terminal
(P11)
No
.
2
(+)
-
No
.
1
(
)
:
CHECK
;
Is
thevoltage
between
0
.5
and
0
.9
V
when
G
sensor
is
inclined
backwards
to
90°?
Go
tostep
8Y12
.
No
:
Replace
G
sensor
.
8Y12
CHECK
POOR
CONTACT
IN
CONNECTORS
.
CHECK
:
Is
there
poor
contact
in
connector
between
ABSCM&HI
U
and
G
sensor?
<
Ref
.
to
FORE-
WORD
[T3C1]
.*10
>
0
:
Repair
connector
.
No
:
Go
to
step
8212
.
88
Page 107 of 3342
BRAKES
[ABS
5
.31
TYPE]
[T8Y14I4-4d
8
.
Diagnostics
Chart
with
Trouble
Code
by
ABS
Warning
Light
8Y13
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
tostep
8Y14
.
8Yt4
CHECK
ANY
`APPEARANCE
.
THER
TROUBLE
CODES
K
:
Are
other
trouble
codes
being
output?
0
:
Proceed
with
the
diagnosis
corresponding
to
the
trouble
code
.
A
temporarypoor
contact
.
89
Page 108 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
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
O SUBARU LEGACY 1997 Service Repair Manual
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
O](/manual-img/17/57434/w960_57434-107.png)
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
Page 109 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
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
toredScr SUBARU LEGACY 1997 Service Repair Manual
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
toredScr](/manual-img/17/57434/w960_57434-108.png)
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
Page 110 of 3342
![SUBARU LEGACY 1997 Service Repair Manual
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
. SUBARU LEGACY 1997 Service Repair Manual
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
.](/manual-img/17/57434/w960_57434-109.png)
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
Page 111 of 3342
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
Page 112 of 3342
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