key SUBARU LEGACY 1996 Service Repair Manual

2-7
[T3C2]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

SELECT
SYSTEM

EGi
Y
:O,N
:/

1
101

H2M1149
I

=0=1
1H]

D
E
F
T

aor0l
oo
L

oo0
RD
FE-11
456
7

F111
0
0
F1_31
a

F03
0
FL-11
ED101

SUBARU
03M0152
I

OBD
(FB
1)

PO100


Diagnostic
trouble
code
Abbreviation

osooos2

OBD
(FB
1)

PO
115


OBD
(FBI)

P0120
<
THV
>

OBD0063

5)
Turn
ignition
switch
to
ON
(engine
OFF)
and
Subaru

select
monitor
switch
to
ON
.

6)
Using
Subaru
select
monitor,
call
up
diagnostic
trouble

code(s)
and
various
data,
then
record
them
.

2
.
READ
DIAGNOSTIC
TROUBLE
CODE
(DTC)
SHOWN

ON
DISPLAY
.
(MODE
FB1)

1)
Select
engine
mode
using
function
key
.

Press
thefunction
key
[0]
.

2)
Designate
mode
using
function
key
.

Press
[F]
[B]
[1]
[ENT]
in
that
order
.

3)
Ensure
diagnostic
trouble
code(s)
is
shown
.

(1)
When
there
is
only
one
diagnostic
trouble
code
.

(2)
When
there
are
multiple
diagnostic
trouble
codes
.

NOTE
:

For
details
concerning
diagnostic
trouble
codes,
referto

the
DIAGNOSTIC
TROUBLE
CODE
(DTC)
LIST,
2-7

[T11A0]*4
.

14

ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T3C4]
2-7

3
.
Diagnosis
System

SELECT
SYSTEM

EGi
Y
:O,N
:/

~
101

H2M1149
I

OO~O
~o

C0
EFT

01ED
ED
[1-:11
Q
a
sAe
1

FE1
oooa
4
567/

0
FolF01
F01
F-01
0
F
23
ENT

F

E

0_1

j

F01FUTF01

SUBARU
G3M0152
I

SELECT
SYSTEM

EGi
Y
:O,N
:/

1
101

H2M11491

oaoo
Eo

co
eF?

F01
F-01
[E-11
F01
[1-
:11
as
n
s1

ooFol
Fol
a
4
5
6
7

00
FLJJ
DFEJ
00

aa~ar

SUBARU
G3M0152I

FFCODE
(
FB2
)

NO
TROUBLE

B2M0474

3
.
READ
CURRENT
DATA
SHOWN
ON
DISPLAY
FOR

ENGINE
.
(FUNCTION
MODE)

1)
Select
engine
mode
using
function
key
.

Press
thefunction
key
[0]
.

2)
Designate
mode
using
function
key
.

Refer
to
"6
.
READ
DATAFUNCTION
KEY
LIST
FOR

ENGINE"
2-7
[T3C6]*4
.

(Example
:
Press
[F]
[0]
[1]
[ENT]
in
that
order
.)

3)
Ensure
data
of
input
or
output
signal
is
shown
.

4
.
READ
FREEZE
FRAME
DATA
SHOWN
ON
DISPLAY
.

(MODE
FB2)

1)
Select
engine
mode
using
function
key
.

Press
thefunction
key
[0]
.

2)
Designate
mode
using
function
key
.

Press
[F]
[B]
[2]
[ENT]
in
that
order
.

3)
Ensure
freeze
frame
data(s)
is
(are)
shown
.

(1)
When
no
trouble
is
detected,
or
after
memory
is

cleared
.

15

2-7
[T3C5]
ON-BOARD
DIAGNOSTICS
11
SYSTEM

3
.
Diagnosis
System

1

LOAD_F
(
FB2
)

PO100
10
.0%

2
B2M0634
LOAD_F
(FB2
)

PO100
10
.0%

1o1

TW_F
(FB2
)

P0100
80-C

[1l

5

VSP_F
(FB2
)

PO
100
40km/h

B2M0671

SELECT
SYSTEM

EGi
Y
:O,N
:/

1
[01

H2M1149I

00=E,o

C
D
EFT

0
1E_
1
aao
1

11-:11F131
00
a
456
7/

a
FE-11
0
0a

aoaao

SuBARU
G3M0152I

(2)
When
some
trouble
is
detected
.

Abbreviation

~2
Diagnostic
trouble
code
of
trouble
occurred

NOTE
:

Other
freeze
frame
data
is
shown
on
display
by
pushing

thefunction
key
[J,]
.

5
.
READ
FREEZE
FRAME
DATA
SHOWN
ON
DISPLAY
.

(MODE
FB3)

NOTE
:

e
For
items
and
contents
shown
on
display,
referto
"6
.

READDATA
FUNCTION
KEY
LIST
FOR
ENGINE"
2-7

[T3C6]*4
.

9
Freeze
frame
data
will
not
erasewithout
clearing
mem-

o
ry
.

1)
Select
engine
mode
using
function
key
.

Press
thefunction
key
[0]
.

2)
Designate
mode
using
function
key
.

Press
[F][B]
[3]
[ENT]
in
that
order
.

16

2-7
[T3C6]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

6
.
READDATA
FUNCTION
KEY
LIST
FOR
ENGINE

Function
mode
Contents
Abbreviation
Unit
of
measure

F00
ROM
ID
number
YEAR
-

F01Battery
voltage
VB
V

F02
Vehicle
speed
signal
VSP
km/h,
MPH

F03Engine
speed
signal
EREV
rpm

F04Engine
coolant
temperature
signal
TW
°C,
°F

F05
Ignition
signal
ADVS
deg

F06
Mass
air
flow
signal
QA
g/s,
V

F07
Throttle
position
signal
THV
%,
V

FOS
Injector
pulse
width
TIM
ms

F09
Idle
air
control
signal
ISC
°/m

F10
Load
data
LOAD

F11
Front
oxygen
sensor
outputsignal
02
V

F12
Front
oxygen
sensor
maximum
and
minimum
output

signal
02max
-
min
V,
V

F13
Rear
oxygen
sensor
output
signal
R02
V

F14
Rear
oxygen
sensor
maximum
and
minimum
output

signal
R02max
-
min
V,
V

F17
Short
term
fuel
trim
ALPHA

F19
Knock
sensor
signal
KNOCK
deg

F20
Atmospheric
absolute
pressure
signal
BARD
.
P
kPa,
mmHg

F21
Intake
manifold
absolute
pressure
signal
MANi
.
P
kPa,
mmHg

F29
A/F
correction
(short
term
trim)
by
rear
oxygen
sensor
PHOS

F30
Longterm
fuel
trim
KBLRC

F31
Longterm
whole
fuel
trim
KO

F32
Front
oxygen
sensor
heater
current
F02H
A

F33
Rear
oxygen
sensor
heater
current
R02H
A

F36
Maximum
value
of
cylinder#1
misfire
times
during
100

rotations
MFi

F37
Maximum
value
of
cylinder
#2
misfire
times
during
100

rotations
MF2

F38
Maximum
value
of
cylinder
#3
misfire
times
during
100

rotations
MF3

F39
Maximum
value
of
cylinder
#4
misfire
times
during
100

rotations
MF4

F42
Maximum
and
minimum
EGR
system
pressure
value
EGRmax
-
minkPa

FAO
ON
H
OFF
signal
-
-

FA1
ON
~-->
OFF
signal
-
-

FA2
ON
H
OFF
signal
-
-

FA3
ON
H
OFF
signal
-
-

FA4
ON
H
OFF
signal
-
-

FA5
ON
H
OFF
signal
-
-

FBO
Diagnostic
trouble
code
(DTC)
INSPECT
-

18

2-7
[T3C46]
ON-BOARD
DIAGNOSTICS
11
SYSTEM

3
.
Diagnosis
System

SELECT
SYSTEM

EGi
Y
:O,N
:/

l
1/1

SELECT
SYSTEM

AT
Y
:O,N
:/

H2M1150

SELECT
SYSTEM

AT
Y
:O,N
:/

1101

H2M1151I

OO
0FU0
,o

C
D
EFT

s
s
c,
s1

0
C3
fill
[1-11
FEJ
4567
i

DFE1
D
FE
1D

~~00

SUeARU
G3M0152I

46
.
READ
CURRENT
DATA
SHOWN
ON
DISPLAY
FOR

AT
.
(FUNCTION
MODE)

1)
Select
AT
mode
using
function
key
.

Press
thefunction
key
[/],
and
change
to
AT
mode
.

2)
Press
the
function
key
[0]
.

3)
Designate
mode
using
function
key
.

Refer
to
"READ
DATA
FUNCTION
KEY
LIST
FOR
AT"
3-2

[T3C6]*2
.

(Example
:
Press
[F][0]
[2]
[ENT]
in
that
order
.)

4)
Ensure
data
of
input
or
output
signal
is
shown
.

r

32

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[73c471
2-7

3
.
Diagnosis
System

47
.
READDATA
FUNCTION
KEY
LIST
FOR
AT

Function
mode
Contents
Abbr
.
Unit

F00
Mode
display
--

F01Battery
voltage
VB
V

F02
Vehicle
speed
sensor
1
VSP1
m/h

F03
Vehicle
speed
sensor
1
VSP1
km/h

F04
Vehicle
speed
sensor
2
VSP2
m/h

F05
Vehicle
speed
sensor
2
VSP2
km/h

F06
Engine
speed
EREV
rpm

F07
ATF
temperature
sensor
ATFT
deg
F

F08
ATF
temperature
sensor
ATFTdeg
C

F09
Throttleposition
sensor
THV
V

F10
Gear
position
GEAR
-

F11
Linepressureduty
PLDTY

F12
Lock-up
duty
LUDTY

F13
AWD
duty
4WDTY

F14
Throttleposition
sensor
power
supply
THVCC
V

F15
Mass
air
flow
sensor
~
AFM
~
V

33

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T3F1]
2-7

3
.
Diagnosis
System

SELECT
SYSTEM

EGi
Y
:O,N
:/

~
101

H2M
1149
I

0000
~o

a~a~o
e
sA
e1

n
F03
1-01
Fol
0
4567
/

Fol
FE-11
0
F-01
no
0
23
ENT

F

F

0100on
10-1

SuBARU
G3MO152]

EGR
SOL
(
FD
05
)

O
:Y
1
:N

82M0650

(2)
Open
the
cover
and
connect
Subaru
select
moni-

tor
to
data
link
connector
located
in
the
lower
portion

of
the
instrument
panel(on
the
driver's
side),
to
the

lower
cover
.

CAUTION
:

Do
not
connect
scan
tools
except
for
Subaru
select
mon-

itor
and
OBD-II
general
scan
tool
.

6)
Turn
ignition
switch
to
ON
(engine
OFF)
and
Subaru

select
monitor
switch
to
ON
.

7)
Select
engine
mode
using
function
key
.

Press
thefunction
key
[0]
.

8)
Designate
mode
using
function
key
.

Refer
to
"6
.
READDATA
FUNCTIONKEY
LIST
FOR

ENGINE"
2-7
[T3C6]*4
.

(Example
:
Press
[F]
[D]
[0][5]
[ENT]
in
that
order
.)

9)
Ensure
displayed
message
.

41

2-7
[T3G1]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

EGR
SOL
(FDOS)

OX
IN

1
[0],
[ENT]

BMW
I

EGR
SOL
(FDOS)

*CHK*
O
:Y
1
:N

82M0652

EGR
SOL
(FDOS)

OX
1N

1
[1],
[ENT]

82M0653
I

EGR
SOL(FDOS)

END
OF
CHECK

1996
(F00)

-2
.2
SOHC

BMW

10)
Press
thefunction
key
.

(1)
When
executing,
press
the
function
key
[0]
.

NOTE
.

When
in
compulsory
valve
operation
check
mode
the

monitor
indicates
the
execution
of
valve
check
on
display
.

(2)
When
not
executing
or
stopping
the
compulsory

valve
checkmode,
press
thefunction
key
[1]
.

11)
When
compulsory
valve
operation
check
mode
is

exited
or
check
completed,
the
monitor
indicates
the
com-

pletion
of
compulsory
valve
operation
check
on
the

display,
and
automatically
returns
to
the
initial
mode

(FUNCTION
MODE
:
F00)
.

G
:
FINISHING
DIAGNOSIS
OPERATION

1
.
SUBARU
SELECT
MONITOR

1)
Disconnect
test
mode
connector
at
the
lower
portion
of

instrument
panel
(onthe
driver's
side),
to
the
side
of
the
center
console
box
.

2)
Turn
Subaru
select
monitor
switch
and
ignition
switch

to
OFF
.

3)
Disconnect
Subaru
select
monitorfrom
its
data
link

connector
.

42

s-$
[D601]
WIRING
DIAGRAM

6
.
Wiring
Diagram

No
.
Load

MB-2
Powerwindow
circuit
breaker

Engine
control
module

Fuel
pump
relay
MB-3
Main
relay

OBD-II
service
connector

MB-4A/C
relay
holder

MB-6
Headlight
LH

Diode
(Lighting)

Lighting
switch

Combination
meter
M
B_$

Headlight
RH

Combination
meter

Door
lock
timer

MB-9
Luggage
room
light

Radio

Room
light

MB-10
A/C
relay
holder

ALT-1
Combination
meter

IG
A/C
relay
holder

Cruise
control
module

ST
Engine
control
module

Inhibitor
switch

FB-2
Diode
(A/C)

Sub
fan
motor
FB-3
Sub
fan
relay-2

Engine
control
module

Fuel
pump
relay
FB-4
Ignition
coil

Transmission
control
module

Side
marker
light
LH
FB-6
Side
marker
light
RH

FB-7Door
lock
timer

FB-9Hazard
switch

AT
shift
lock
control
module
FB-10
Key
warning
switch

Power
antenna

FB-11
Radio

FB-12
Cigarette
lighter

FB-13
Remote
control
rearview
mirrorswitch

AT
shift
lock
control
module

Combination
switch
Front
washer
motor
FB-14
Front
wipermotor

Rear
washer
motor

Rear
wipermotor

Rear
wiper
relay

FB-15Transmission
control
module

Na
Load

Rear
defogger

FB-16
Rear
defogger
condenser

Reardefogger
switch

FB-17
Rear
defogger
switch

FB-18
AT
shift
lock
control
module

Inhibitor
switch

FB-19
Hazard
switch

Combination
meter
FB-20
Mode
control
panel
FB-21
Combination
meter
(Airbag)

Blower
motor
relay

Check
connector

FB-22
FRESH/RECIRC
actuator

Mode
actuator

Powerwindow
relay

Seat
belt
timer

FB-23
Airbag
.
control
module

FB-24
Airbag
control
module

FB-25
Lighting
switch

FB-26
Parking
switch

FB-27
Parking
switch

FB-28
Illumination
light

FB-29
Illumination
light

FB-30
Stop
light
switch

Stop
&
brake
switch

FB-31
Horn
relay

FB-32
Blower
motor
relay

FB-33
Parking
switch

License
plate
light
LH

License
plate
light
RH

FB-34
Rear
combination
light
LH

Rear
combination
light
RH

Rear
finisher
light
LH

Rear
finisher
light
RH

FB-35
Cruise
control
main
switch
Cruise
control
module

r
Connecting
to

)r
Area
No
.
Name

C-4
D1
Front
doorcord
RH

ow
C-4
ABi
SRS
(Airbag)
harness

;k
C-4
Turn
&
hazard
module

.k
C-3
i1

C-3
i2
instrument
panel
wiring

un
C-3
i3
harness

e
C-3
i4

y
C-3
OBD-IIservice
connector

C-3
Power
window
circuit
breaker

C-3
Power
window
relay

;k
C-3
Illuminationcontrol
module

C-3
Seat
belt
timer

;n
B-4
Fuel
pump
relay

vn
B-4
Main
relay

;k
B-4
Horn
relay

B-4
Blower
relay

y
C-4
FIB
y
C-4
B-3
Shield
joint
connector
(AT)

.k
B-3

:k
B-3
Transmission
control
module

.k
B-3

:k
B-3
Shift-lock
control
module

B-4F44
i
h
B-4F45
Front
w
ring
arness

.k
B-3
Stop
light
switch

,k
B-3
Stop
8
brake
switch
(Withcruise
control)

:k
8-3
Cruise
control
sub
switch

Connector
Connecting
to

No
.
Pole
Color
Area
No
.
Name

869
11
Black
C-3

B70
9
C-3
Combination
switch

B71
8
8-3

B72
6
Black
C-3
Ignition
switch

B73
2
Black
B-3
Key
lock
solenoid

B74
2
Black
B-3
Key
warning
switch

B75
2
Green
B-2
876
T
d
B76
2
Green
8-2
875
e
connector
est
mo

877
7
B-2
Mode
actuator

B78
9
Yellow
B-2
Data
link
connector

B79
14
Gray
C-2
Check
connector

BBO
4
Blue
B-2
i20
Instrument
panel
wiring
harness

B81
1
x
2
B-2
Diagnosis
terminal
(Ground)

B82
6
Black
B-2
Diagnosisconnector

BB3
4
C-1
Shield
joint
connector
(EIG)

BBQ
96Lightblue
C-2
Engine
control
module

B85
4
Brown
B-3
Diode
(Lighting)

B86
4
Black
B-1
Blower
motor
resistor

887
2
Black
B-1
Blower
motor

888
3
Black
B-1
Evaporatorthermoswitch

B90
2
Green
B-4
R50
Room
light
cord

B91
5
B-1
FRESHIRECIRC
actuator

B92
8
B-1
Door
lock
timer

894
20
Black
B-1
Cruise
control
module

B97
56
B-4
R1
Rear
wiring
harness
(S.M
.J
.)

B101
24
B-1
D11
Front
door
cord
LH

8111
3
Gray
C-4FIB

`
:
Non-colored

4
.
BULKHEAD
WIRING
HARNESS
(IN
COMPARTMENT)

1
I
2
I
3
I
4

A

B

C

D

1
I
2
I
3
I
4

[oeo41

B6M0513A

A

B

C

iJ

23