1996 SUBARU LEGACY brake light

2-7
Rioo2]
ON-BOARD
DIAGNOSTICS
II
SYSTEM
10
.
General
Diagnostics
Table

41
Problem
parts
,-
CI,
~o
0
0-
N
N
N
L
yy
I
C

L
dCN
CN
f0
qp
ZNa
f0
j
¢m
r
NMLUr
7y
mr
'
~
.
`
.
"
UVUU
0
rJ
"
q0
N
d
N
dm
d
d
LY~O
.'~
O
LO
OO
O
~
d
OC
OC
~
OCOCOC
m
>
A
1
m~V>
d
O
~
OC
r
7
Uo
E
ym
y
m
~,
"
U

~
-
U
3
y

E
d

a
d
Y
i
N

m>
~

_m
>
E

_m
>
E

A>
E

a
E
d
m
om
y
0d
N
0m
N
d
0
N
d0
N
>
~
n
"
C
a
j
d
N
d
N

.
mo
N
CC
O
U
L
dU
L
d
d
m
G1
~
V~
0~a60U
0U
0V
0U

,

V-
F
C~
~
7
~
7
~L~L~t
C
O
41
dCWC~C~
WC~
T7
_v>>
~nv~~n
.
r-
xaaa
a
a
in
o
o
(D(ncn
voMPP
P
o

Symptom
1
2
345678910
11
12131415161718
,
19
2021
22
23
.24
25
1
26
1
27
28
29Engine
brake
is
noteffected
when
select
lever
isin
"3"
or
"2"range
.

Engine
brake
is
noteffected
when
select""
lever
isin
1
range
.

Shift
characteristics
areerroneous
.
OOOOOO

No
lock-up
occurs
.
OOOO

Vehicle
cannotbe
set
in
"D"
range
power
OO
mode
.

"D"
range
power
mode
cannotbe
released
.
OOO

Parking
brake
is
not
effected
.
OO

Shift
lever
cannot
be
moved
or
is
hard
to
"
"
move
from
P
range
.

Select
lever
is
hard
to
move
.
OOOO

Select
lever
is
too
light
to
move
(unreason-
OO
able
resistance)
.
ATF
spurts
out
.

Differential
oil
spurtsout
.

Differential
oil
level
changes
excessively
.

Odor
is
producedfrom
oil
supply
pipe
.
OO
Shock
occurs
when
selectlever
is
moved
""
"
"
OOO
O
OO
from
1
2
range
.
to

Slippage
occurs
when
selectlever
is
moved
"""
"
OOOOOO
from
1
to
2
range
.

Shock
occurs
when
selectlever
is
moved
"
""
"
OOOOOO
from
2
to
3
range
.

Slippage
occurs
when
selectlever
is
moved
""
O
OO
OOO
from
"2to
"3
range
.

Shock
occurs
when
select
lever
is
moved
"
"""
OOOOOO
from
4
range
.
3
to

Slippage
occurs
when
selectlever
is
moved
"
"
0OOOOO
to
"4from
"3
range
.

Shock
occurs
when
select
lever
is
moved
""
0OOO
O
from"3
to"2
range
.

Shock
occurs
when
selectlever
is
moved
"
UOOOO
from
"D
to
"1"
range
.

Shock
occurs
when
selectlever
is
moved
"
"
OO
O
OO
to"1
from"2
range
.

Shock
occurs
when
accelerator
pedal
is
O
OOO
O
released
at
medium
speeds
.

Vibration
occurs
during
straight-forward
OO
operation
.

Select
leveeslips
out
ofposition
during
acceleration
or
while
driving
onrough
ter-
OOO
U
rain
.

Vibration
occurs
during
turns
(tight
corner
"
OOOOOOOOO
"braking
phenomenon)
.

Front
wheel
slippage
occursduring
standing
OOOOOOOOOOO
starts
.

Vehicle
is
not
set
in
FWD
mode
.
O
O
vOO

1
23456i
7
8910
11T
21314
x
15
1
~
i
1819
~20
~
I
22226
272829

72

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T1002
2-7
10
.
General
Diagnostics
Table

3000
`
r
U
VO

o

O

c~
a
~°om
.
m
~
22
r
Problem
parts

p

C
o,

~
~
y

r

Y
7

v

~
y
Y
`m
~

~
dsE
C
T
o

O
C

o

r

°

d

Y
G
Cc
OC
fC
~
cd
M
c
l0
d
m
a
a
L
r
~m
Y
l0
d>d
~
UU
],
U
),
yp
~
!C
r
~
L
y
~
1
"
~
0r
!E
CU
U
~E
~
~
O
.m
0
Q7
A
c
dy
iN

a

>C3
41
L
m
Nd
IM
N
al

E7
~-
U
L

a

C
p~
N

>

~y
it
M3
~
7
N
7
7
a

~yC
"
Uaj
~
a
7
U

a
7
U

6
.
>
d
C7
~
C
C
w
C

OD
p
UQO~
0
~O2m
3
J
OC
OOD
EO
4
.
V
Q>D
F~-
JJ
lL
Q
IL
QO
OI
W~Wd

30
31
32
133
134
35
36
3738
39
40
41
4243
4445
46
47
48
49
50
5152
53
54
5556
57
58
Symptom

Engine
brake
is
noteffected
when
select"lever
isin
"3or
"2"
range
.

U
Enginebrake
is
not
effected
when
select
lever
isin
"1"
range
.

Shift
characteristics
are
erroneous
.

OO
No
lock-up
occurs
.
Vehicle
cannot
be
set
in
"D"
range
power
mode
.

"D"
range
power
mode
cannot
be
released
.
O
Parking
brake
is
noteffected
.
Shift
lever
cannotbe
moved
or
is
hard
to
move
from
"P"
range
.
Select
levee
is
hard
to
move
.

Select
lever
is
too
light
to
move
(unreason-
able
resistance)
.

O
ATF
spurts
out
.
O
Differential
oil
spurts
out
.
O
O
Differential
oil
level
changes
excessively
.

O
OO
1
0
1
0OO
Odor
is
produced
from
oil
supply
pipe
.

OOQ
Shock
occurs
when
selectlever
is
moved
"""
from
1
to"2
range
.

Slippage
occurs
when
selectlever
is
moved
"
from
"1to
"2"
range
.

nvOO
Shock
occurs
when
select
lever
is
moved
"
"
"
"
from
2to3
range
.

OO
Slippage
occurs
when
selectlever
is
moved
""
from"2
to"3
range
.

OOOO
Shock
occurs
when
selectlever
is
moved
""
""
from3
to
4range
.

p
Slippage
occurs
when
select
lever
is
moved
"
from
"3"
to
"4
range
.

OO
O
Shock
occurs
when
selectlever
is
moved
"
"
""
from
2
range
.
3
to

Shock
occurs
when
selectlever
is
moved
"
"""
from
D
to
1
range
.

OO
Shock
occurs
when
selectlever
is
moved
""""
from
2
1
range
.
to

OO
Shock
occurs
when
accelerator
pedal
is
released
at
medium
speeds
.

O
O
Vibration
occurs
during
straight-forward
operation
.

Select
lever
slips
out
of
position
during
acceleration
or
while
driving
on
rough
ter-rain
.

Vibration
occurs
during
turns
(tight
corner
"
"
braking
phenomenon)
.

Front
wheel
slippage
occurs
during
standing
starts
.

Vehicle
is
not
set
in
FWD
mode
.

30313233
3435
36
~
37
-1
38
-
I
39
i
40
I
41
r
42
i
43
-1
44
1
45
-1
46
47~
I
48
-
49
I
T
50
~f
51
I
52
I
556
I
57
I
58
I
I

73

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T11AM0]
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AM
:
DTC
P0703

-
BRAKE
SWITCH
INPUT
MALFUNCTION

(ATBRK)
-

WIRING
DIAGRAM
:

BS6

No
.
12
SBF-3
FL
1
.
25BTCM
7
-
II
u

B64

*
1
:
Bb5

Tostoplights
I
*1
:
With
cruise
control
00

Brake
light
switch

856
B64865

12345678910
12
11121314151617181920
1
2
34
1321V10905

NOTE
:

For
the
diagnostic
procedure
on
brake
switch
input
mal-

function
(DTC
P0703),
referto
2-7
[T10AM0]*2
.

107

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

WIRING
DIAGRAM
[oso2i
6-3

6
.
Wiring
Diagram

GB-3

838
13
i13
s-r,
Comb
inationmeter

831
O
SRS
Front
wiper
cui
harness
motor

B9

E
E
FWD
switchCIll

GB-6
GB-4
Brake
fluid
B
CE
level
switch
S
.
M
.
J
.
(Refer
to
foldout
page
.]

B97
Rl

892
IM
Door
lock
module

R7

-71P
position
switch

i
Shift
lock
-
solenoid

B94
~
R~5
R57
RSB
Cruise
control
Fuel
gauge
modulemodule
&
fuel
pump

Evaporator

~z
thermoswltch
Rear
defogger
condenser

R23
-
e
Power
antenna
GB-5GB-9

Rear
Rearfinisher
finisher
High-mount
light
LH
light
RHStop
light
D69042D39
-
~-l
R26
car
combination
m
light
RH

R37

m4
0~3

Lisence
plat
044
e
light
RH

D45
Llsence
plate
light
LH

043
Rear
wtperEnj
motor

D4B
Rear
defogge
r

D46
Reargete
latch
switch

tear
combination
light
LH

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

R7
D33

(Black)
R6
i23
(Brown)(Black)
B9
O(Black)
816
(G
rey)
O(Gray)
DL4D65X39
88B
(B18ck)

21
2
12
12
1212
123

Flb
(B
I
ac
k)
B62D63R26
(B
I
8C
k)

F17
(g
I
flc
k)
DG9042R2B
(B
I
ac
k)
i
13
R23
X31
(Ye
II
ow)
(E)

1
2
34
riT2
ri-r2
m34
131415161
o23
R45
67
1
234
1
234
S
M67
8
P567
N8
(B
I
ac
k)
07
894
(B
I
ac
k)i3
(Brown)
830

1
2
34
1
23
4
67
89
1
12
4
78910

1

1
7891
7
23

L
5
16
89
2211171

4
112131
19
0

6
141

6789
67891
1
1
112(3(
111
l
141
1617LB19
t
12114
1
1611
192
p1

BUR04-02B

7

cal
Wiring
Harness
and
Ground
Point

Connector
Connecting
to

Pole
Color
Area
No
.
Name

2
Brown
B-2
Pressure
sources
switching
solenoid

3
Black
B-2
Pressure
sensor

5
Gray
B-2
Mass
air
flow
sensor

2
Gray
B-2
AT
dropping
resistor

4
Gray
B-3
Cruise
control
pump

6B-3Front
wipermotor

2
Black
A-2
FWD
switch

16
Gray
B-3
T4
T
i
12
Gray
B-2
T3
ransmiss
on

6
Gray
B-3
Ignitor

1
Black
B-3
Starter
(Magnet)

2
Gray
B-2
Brake
fluid
level
switch
2
Black
B-3
Vehicle
speed
sensor

3
Dark
gray
B-2
Front
oxygen
sensor

4
B-2
T5
Rear
oxygen
sensor
cord
(Other
models)

4
B-2
Rear
oxygen
sensor
(California
model)

6Light
gray
B-2
E1
12Light
gray
B-2
E2Engine
wiring
harness

16Light
gray
B-2
E3

2
Back
B-3

3
B-3
MIB

1
Brown
B-3
2B-2
Rear
washer
motor

2f
Green
B-3Front
washer
motor

2
.
BULKHEAD
WIRING
HARNESS
AND
GROUND
POINT
(IN
ENGINE
ROOM)

2
I
a

B

C

-r
t
n

GB-4
GB-5

(
rbag
mode
)
B6M0086B

D

1
3
4
4
[D802]

B6M0587A

A

B

C

D

21

8
.
Electrical
Wiring
Harness
and
Ground
Point

Connector
Connecting
to

No
.
Pole
Color
Area
No
.
Name

131
2
Brown
B-2
Pressure
sources
switching
solenoid

B2
3
Black
B-2
Pressure
sensor

B3
5
Gray
B-2
Mass
air
slow
sensor
B4
2
Gray
B-2
AT
dropping
resistor

B7
4
Gray
B-3
Cruise
control
pump

B8
6B-3Front
wiper
motor

B9
2
Black
A-2
FWD
switch

B11
16
Gray
B-3
T4
T
B12
12
Gray
B-2
T3
ransmission

B13
6
Gray
B-3
Ignitor

B14
1
Black
B-3
Starter
(Magnet)

B16
2
Gray
B-2
Brake
fluid
level
switch

B17
2
Black
B-3
Vehicle
speed
sensor

B18
3
Dark
gray
B-2Front
oxygen
sensor

4B-2
T5Rear
oxygen
sensor
cord(Other
models)
B19
4B-2
Rear
oxygen
sensor
(California
model)
B20
6Light
gray
B-2El
821
12
Light
gray
B-2
E2Engine
wiring
harness

B22
16
Light
gray
B-2
E3

B26
2
Black
B-3

B27
3B-3
MIB

B28
1
Brown
B-3

B29
2B-2
Rear
washer
motor

B110
~
2
f
Green
B-3
~
Front
washer
motor

`
:
Non-colored

2
.
BULKHEAD
WIRING
HARNESS
AND
GROUND
POINT
(IN
ENGINE
ROOM)

1
2
3
a

E

C

DI

Yi-t
~
GB-4GB-5

(Air
`bag
model
(
Airbag
model
~rrE

1
23
4

21

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