1996 SUBARU LEGACY starter

2-7[T2A3]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

2
.
Electrical
Components
Location

1
604
o

--
~
I
I

~s3Q=
J
f
~~
-~
1

2

I
1~
~~~,

n

~
r/
"
~
~L,
~
ma
r

OBD0047AB2M0216A

Q\
~I
5
86
L
._

c1
0
C0L

CO
HUG
0
cla

on
r(ol
Uj
P

~

0

1
3

B2M0434A
OBD0034A

10

Inhibitor
switch
~6
Radiator
main
fan
relay
2

~2
Fuel
pump
~7
Radiator
sub
fan
relay
1

(IMain
relay
~8
Radiator
sub
fanrelay2
%
Fuel
pump
relay
~9
Starter
%
Radiator
main
fan
relay
1

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[TSO1]
2-7
5
.
Specified
Data

C
t
T
il
Signal
(V)

Content
onnec
or
erm
na
Ignition
SW
ON
Note
No
.
No
.
Engine
ON
(Idling)
(Engine
OFF)

Starter
switch
B84
8600
Cranking
:
8
to
14

A/C
switch
B84
60
ON
:
10
-
13
ON
:
13
-
14

OFF
:
0
OFF
:
0

Ignition
switch
B84
85
10-13
13-
14
-

Neutral
position
switch
B84
82
ON
:
0
Switch
is
ON
when
shift
isin
"
"
OFF
:
5
.0f0
.5
"N
or
"P
position
.

Test
mode
connector
884
84
55
When
connected
:
0

Knock
Signal
B84
32
.8
2
.8
-

sensor
Shield
B84
56
00
-

AT/MT
identification
B84
81
55
When
measuring
voltage

between
ECM
and
body
.

Back-up
power
supply
B84
39
10-1313-14
Ignition
switch
"OFF"
:
10
-
13
Control
unit
power
1
supply
B84

2
10-13
13-14
-

Ignition
#
1,
#
2
B84
41
0
1
-3
.4
-

control
#
3,
#
4
B84
400
1
-3
.4
-

#
1
B84
96
10-13
1-14
Waveform

Fuel
#
2
B84
70
10-13
1-14
Waveform

injector
#
3
B84
44
10-13
1-14
Waveform

#
4
B84
16
10-13
1
-14
Waveform

Idle
air
OPEN
endB84
14
-
1
-13
Waveform
control

solenoid
CLOSE
B84
13
-
13-1
Waveform
valve
end

Fuel
pump
relay
g84
32
ON
:
0
.5,
or
less0
.5,
or
less
-
control
OFF
:
10
-
13

A/C
relay
control
B84
31
ON
:
0
.5,
orless
ON
:
0
.5,
or
less
OFF
:
10
-
13
OFF
:
13
-
14

Radiator
fan
relay
1
ON
:
0
.5,
or
less
ON
:
0
.5,
or
less

control

B84
74
OFF
:
10
-
13
OFF
:
13
-
14

Radiator
fan
relay2

B84
73

ON
:
0
.5,
or
less
ON
:
0
.5,
or
less
With
A/C
vehicles
only
control
OFF
:
10
-
13
OFF
:
13
-
14

Self-shutoff
control
B84
63
10-13
13-14
-

Malfunction
indicator
B84
58Light
"ON"
:
1,
or
less

lamp
Light
"OFF"
:
10
-
14

Engine
speed
output
B84
64
-
0
-
13,
or
moreWaveform

Torque
control
signal
B84
79
5
5
-

Mass
air
flow
signal
B84
47
0-0
.3
0
.8-
1
.2
-

Purge
control
solenoid

B84
72

ON
:
1,
or
less
ON
:
1,
or
less

valve
OFF
:
10
-
13
OFF
:
13
-
14

Atmospheric
pressure
B84
263
.9-4
.1
2
.0-2
.3
-
sensor

Pressure
sources
ON
:
1,
or
less
ON
:
1,
or
less
switching
solenoid
B84
15
OFF
:
10
-
13
OFF
:
13
-
14valve

EGR
solenoid
valve
B84
71
ON
:
1,
or
less
ON
:
1,
or
less

OFF
:
10
-
13
OFF
:
13
-
14
Front
oxygen
sensor
g84
38
0-1
.0
0-1
.0
-
heater
signal

45

2-7
[rseo1
ON-BOARD
DIAGNOSTICS
II
SYSTEM
9
.
Diagnostics
for
Engine
Starting
Failure

9
.
Diagnostics
for
Engine
Starting

Failure

B
:
STARTER
MOTOR
CIRCUIT

WIRING
DIAGRAM
:

B2M0830

NOTE
:

For
the
diagnostic
procedure
on
starter
motor
circuit,
refer

to
2-7
[T8B0]*2
.

62

O
Bit

6
135
2
1103
4
R121363113al
131,
414
4470
10111

2-7
[T1002]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

10
.
General
Diagnostics
Table

2
.
FOR
AT

N
Problem
parts
r
N
co
o
`o

NNLd

L
dCyCy
to
yp
ZN
~
v¢
)
j
a
(~
rN
f7
LU

N0NN~
t
.N
L
O
O
O

v

OO
O
OOO
g
)
C~~
a
O7

O
E
~
G
.
Nm
d
0m
2]
NU
y
Y
N
O
E
O
a
y
"

~
y
A
7
E

m
7E

m
7E

m
7
E
d
a
~
m
C
~,
401

C
d
N

C
m
N
G
d
N
C
m
N

l0
,
O
$
N
C

a
l0

U
,N
1N
a
1
C
m
O~

U

aCUL
U
L
U
G7
U
d
D
m
r
L
O
V
UU
U
U
lL
C
l
`
L
~'
~~Z
C
m
~C
(q
CNCNC
~
.
C
_
0
v
d
>
0
>
0
~n
m
~n
~
L
0
x
U
¢
V
a
0
a
U
a
F
a
~n
Z
o
7
o
L
co
L
co
L
co
0
v
d
o

Symptom
1
23
4
567891011
112113
14151617
1819
20
.
21
22
123
2425
.26
27
28
29
Starter
does
not
rotate
when
select
lever
is
in
"P"
or
"N
."
;
starter
rotates
when
select
O
OOO
lever
is
"R","D",
"3"
or
"2
."

Abnormal
noise
when
selectlever
is
in
"P"
"
"
0O
or
N
.

Hissing
noiseoccurs
during
standing
starts
.
O

Noise
occurs
while
driving
in
"D,"
range
.

Noise
occurs
while
driving
in
"D2"
range
.

Noiseoccurswhile
driving
in
"D3"
range
.

Noise
occurswhile
driving
in
"D,"
range
.

Engine
stalls
while
shifting
from
one
range
0
to
another
.

Vehicle
moves
when
select
lever
isin
"N
."
p

Shock
occurs
when
select
lever
is
moved
""
"
"
O
O
O
from
N
to
D
.

Excessive
time
lag
occurs
when
select
(ever
""
""
Q
is
moved
from
ND
.
to

Shock
occurs
when
selectlever
is
moved
"
"""
OOO
from
N
to
R
.

Excessive
time
lag
occurs
when
selectlever""
"
N
to
"R
.
is
moved
from

Vehicle
does
not
start
in
any
shift
range
OO
(engine
revving
up)
.

Vehicle
does
not
start
in
any
shift
range
(engine
stall)
.

Vehicle
does
not
start
in
"R"
range
only
O
OO
(enginerevving
up)
.

Vehicle
does
not
start
in
"R"
range
only
(engine
stall)
.

Vehicle
doesnot
start
in
"D"
or
"3"range
(enginerevving
up)
.

Vehicle
does
not
start
in
"D",
"3"
or
"2"
range
(engine
revving
up)
.

Vehicle
does
not
start
in
"D",
"3"
or
"2"
range
(engine
stall)
.

Vehicle
starts
in
"R"
range
only
(enginerevving
up)
.

Acceleration
during
standing
starts
is
poor
O
O
(high
stall
rpm)
.

Acceleration
during
standing
starts
is
poor
(low
stall
rpm)
.

Acceleration
is
poor
when
selectlever
isin
"
"
range
(normal
stall
rpm)
.
"D
,
"3"
or"2

Acceleration
is
poor
when
selectlever
isin
"
(normal
stall
rpm)
.
"R

No
shift
occurs
from
1st
to
2ndgear
.
OOOOOOO

No
shift
occurs
from
2nd
to
3rd
gear
.
O
O

No
shift
occurs
from3rd
to
4th
gear
.
O
O
O
OO

No
"kick-down"
shifts
occur
.
OO

Engine
brake
is
noteffected
when
select"
"
0OOO
lever
is
in
range
.
3

1
23456
78
8
10
11
12
13
14
151
1617
~B
l
19~
~
21
22
~3
~24
f
25
r26
27T
28
~
29,

70

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T1002]
2-7

10
.
General
Diagnostics
Table

a0
00
0

U7V

r

O
O
''
E

Problem
parts
U
NQ
C0N~
L
U
V
N~
LLMLW
~~
~~
d
C~
.

~
L
O
f11
C~NE
CN
Oi
L
d
y
d
V,
?r
V~V
y
y
W
d
Oi
d
~
m~CCOaE~O
.
0
Q
CI
O
't
~
d
Y
N
~C
,
O
~
C
"
a
d
~~
~
"
N
a)
~

d
-
9-
d
E
rY
A
a

>d
U
)
,
>
,
~
O
4)

~
Ay
t
y
`

19
cp
"
l0
a

oU
~~
NN
m

m

"

dO
.
n
N
'

a
C
G
CO
yNd
01
`
(p
a
7
d
V
L
'C-6
3
Nd>
3;
.1]
~7QdC
U
7dj
C
7
U
7
U~
LL
~l
~C
07
C
Ol
i
j
OOUXQ
C3
C
lL
d
V1
-O
Ol
Z
R
m
O
J
N
S
C
O
G
O
p
O4~
7
O
~
dd
OC
D
1~
J
J...WWd

30
31
32
133134
35
136
37
138
139
40
.
4142
4344
45
46
47
48
4950.5152
.
53
.
5455
56
57
58
Symptom

Starter
does
not
rotate
when
select
lever
is
in
"P"
or
"N
."
;
starter
rotates
when
select
lever
is
"R","D",
"3"or"2
."

O
0
0
Abnormal
noise
when
select
lever
isin
"P"
"
N
."
or

O
Hissing
noise
occurs
during
standing
starts
.
OOOO
Noiseoccurswhile
driving
in
"0,"
range
.
O
O
O
O
Noise
occurswhile
driving
in
"D2"range
.
O
OO
Noise
occurs
while
driving
in
"D3"range
.
OO
O
O
Noise
occurs
while
driving
in
"D,"
range
.

OO
Engine
stalls
while
shifting
from
one
range
to
another
.

Vehicle
moves
when
select
levee
isin
"N
."

Shock
occurs
when
select
levee
is
moved
"
from
"N
to
"D
."

Excessive
time
lag
occurs
when
selectlever
is
moved
from
"N"
to
"D
.-

0
Shock
occurs
when
selectlever
is
moved
from
"N"
to
"R
."

OO
Excessive
time
lag
occurs
when
select
lever
"
is
moved
from
"N
to
"F
."

OO
O
OOOOO
O
O
Vehicle
does
not
start
in
any
shift
range
(engine
revving
up)
.

p
Vehicle
doesnot
start
in
any
shift
range
(engine
stall)
.

O
O
Vehicle
does
not
start
in
"R"
range
only
(enginerevving
up)
.

OO
Vehicle
does
not
start
in
"R"
range
only
(engine
stall)
.

Vehicle
does
not
start
in
"D"
or"3"
range
(enginerevving
up)
.

Vehicle
does
not
start
in
"D",
"3"
or
"2"
range
(enginerevving
up)
.

p
Vehicle
does
not
start
in
"D",
"3"
or
"2"
range
(engine
stall)
.

Vehicle
starts
In
"R"
range
only
(enginerevving
up)
.

OO
Acceleration
during
standing
starts
is
poor
(high
stall
rpm)
.

O00
Acceleration
during
standing
starts
is
poor
(low
stall
rpm)
.

O
OO
Acceleration
is
poor
when
selectlever
isin
"
""
D
,
"3
or
"2"range
(normal
stall
rpm)
.

OOOO
Acceleration
is
poor
when
selectlever
isin
"
"
R
(normal
stall
rpm)
.

O
No
shift
occursfrom
1st
to
2nd
gear
.
OO
No
shift
occurs
from2nd
to
3rdgear
.

O
No
shift
occurs
from
3rd
to
4th
gear
.

No
"kick-down"
shifts
occur
.
Enginebrake
is
not
effected
when
select
lever
isin
"3"
range
.

3031
32
33
3435
36
37383940
41
4243
44
45
46
47
4849
50
51
52
53
5455565758
71

ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T11aoj
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

DTC

No
.

Abbreviation

(Subaru
select
monitor)
Item
Page

P0705
ATRNG
Transmissionrange
sensor
circuit
malfunction
108

P0710
ATF
Transmission
fluid
temperature
sensor
circuit
malfunction
109

P0720
ATVSP
Output
speed
sensor
(vehicle
speed
sensor
1)
circuit
malfunction
110

P0725
ATNE
Engine
speed
input
circuit
malfunction
111

P0731
ATGR1
Gear
1
incorrect
ratio

P0732
ATGR2
Gear
2
incorrect
ratio
1
2
P0733
ATGR3
Gear
3
incorrect
ratio
1

P0734
ATGR4
Gear
4
incorrect
ratio

P0740
ATLU
-
F
Torque
converter
clutch
system
malfunction
114

P0743
ATLU
Torque
converter
clutch
system
(duty
solenoid
B)
electrical
115

P0748
ATPL
Pressure
control
solenoid
(duty
solenoid
A)
electrical
116

P0753
ATSFTi
Shift
solenoid
A
(shift
solenoid
1)
electrical
117

P0758
ATSFT2
Shift
solenoid
B
(shift
solenoid
2)
electrical
118

P0760
ATOVR
-
F
Shift
solenoid
C
(shift
solenoid
3)
malfunction
119

P0763
ATOVR
Shift
solenoid
C
(shift
solenoid
3)
electrical
120

P1100
ST
-
SW
Starter
switch
circuit
malfunction
121

P1101
N/P
-
SW
Neutral
position
switch
circuit
malfunction
122

P1102
BR
Pressure
sources
switching
solenoid
valve
circuit
malfunction
123

P1103
TRQ
Engine
torque
control
signal
circuit
malfunction
124

P1500
FAN
-
1
Radiator
fan
relay
1
circuit
malfunction
125

P1502
FAN
-
F
Radiator
fan
function
problem
126

P1700
ATTH
Throttle
position
sensor
circuit
malfunction
127

P1701
ATCRS
Cruise
control
set
signal
circuit
malfunction
128

P1702
ATDIAG
Automatic
transmission
diagnosis
inputsignal
circuit
malfunction
I
129
75

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T11BC0]
2-7

11
.
DiagnosticsChart
with
Trouble
Code

BC
:
DTC
P1100

-
STARTER
SWITCH
CIRCUIT
MALFUNCTION

(ST
-
SW)
-

WIRING
DIAGRAM
:

NOTE
:

For
the
diagnostic
procedure
on
starter
switch
circuit
mal-

function
(DTC
P1100),
refer
to
2-7
[T10BC0]*2
.

121

O
812

313233
4
61
1621W041651661610816
7M]89190191192193194
95
91011
1

B2M0830

2-7
tT1
1
sDoI
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

BD
:
DTC
P1101

-
NEUTRAL
POSITION
SWITCH
CIRCUIT

MALFUNCTION
(NIP
-
SW)
-

WIRING
DIAGRAM
:

0

B84
B12
T3

ECM

Starter
motor

B84
B12

1234
3132
33
343536
3738
9
40
4142
4344
5678
63
1
64
1
65
1
9
1
10
1
11
1
12r

BMW

NOTE
:

For
the
diagnostic
procedure
on
neutral
position
switch

circuit
malfunction
(DTC
P1101),
referto
2-7
[T10BE0]*2
.

1
23456
U
8
UU
9
10
U
11
12
U
1314LJ1516

1718
19
20
21
2223
24
25
26
2728
2930

4546474849
50
51
52535455565158
5960
61
62
66
676869
0

71
7273147576
71
18
9
80
81
82
8384858687888990
91
9293949596

122