SUBARU LEGACY 1996 Service Repair Manual

2-7
[T11AP0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM
11
.
Diagnostics
Chart
with
Trouble
Code

AP
:
DTC
P0720

-
OUTPUT
SPEED
SENSOR
(VEHICLE
SPEED

SENSOR
1)
CIRCUIT
MALFUNCTION

(ATVSP)
-

WIRING
DIAGRAM
:

B54
811
T4

:1
4
P7

TC
M
853

854B53
Bit

1234
5678
1
23456
9101112
17181
9
1
10
1
11
1
12
11
23
4
1314
15
16
B2M0584

NOTE
:

Forthe
diagnostic
procedure
on
output
speed
sensor

(vehicle
speed
sensor
1)
circuit
malfunction
(DTC
P0720),

refer
to
2-7
[T10AP0]*2
.

110

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T11nQO]
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AQ
:
DTC
P0725

-
ENGINE
SPEED
INPUT
CIRCUIT

MALFUNCTION
(ATNE)
-

WIRING
DIAGRAM
:

B54

TC
M

854B84

U
910

23
45
6
1

3132333435
58159160161162
7
_8
184185186181188,
U

(E)

-
_9T
ECM

B2M0585
I

NOTE
:

For
the
diagnostic
procedure
on
engine
speed
input
cir-

cuit
malfunction
(DTC
P0725),
refer
to
2-7
[T10AQ0]*2
.

111

2-7
[T11AR0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
DiagnosticsChart
with
Trouble
Code

AR
:
DTC
P0731

-
GEAR
1
INCORRECT
RATIO
(ATGR1)
-

AS
:
DTC
P0732

-
GEAR
2
INCORRECT
RATIO
(ATGR2)
-

AT
:
DTC
P0733

-
GEAR
3
INCORRECT
RATIO
(ATGR3)
-

AU
:
DTC
P0734

-
GEAR
4
INCORRECT
RATIO
(ATGR4)
-

112

ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T1yauo]
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

WIRING
DIAGRAM
:

Throttle
position
sensor

E13
B84
B21
E2

Combination
meter

ECM
i
a
°'
O
i3
o
_,

a
:
854
n_
(n
Uc
:
B56
e
:
i10
811
i4
b
:i11

--------------
~
,-----------------------,
Bil

LLlJ

ffl
------
---------------

TCM

853

Vehicle
Vehicle
speedspeed
sensor
l
sensor
2

ggq
a
:
g5q
c
:
g,56
821
811

1234
5678
1234
24
1
25
1
25§
15
2Z21
1
521
;
1
51Q
31
~
32
1
33
1
34
135
1
36
1
3/
1
38
1
394
1
5
5
46
1
47
1
48
1
49
1
50
1
51
F7
1
8
1
9
1
10
1
11
1
12
1
23456
12345678910
678
11121314151617181920
9101112
13141516
1
7
2
1
73
1
74
1
75
1
76
1
77

9101112

Et3

853
811
i3
a~
i10
b
i11

1
234
1
Z
1112
31451617
8
90222
[_
1~~6
1_
758
:
N10
1
11
1
12
1
13
1
14~
1
3
132M0586

1
234
56
78
910
Ll
1112
U
1314
U1516
1118
9
20
2122
23
40414243
44
45
52
3787980
81
1
83
859
84
8560
61
868
62
63
88
89646590
91
66
67
92
93
6
69
94
95
7096

*

NOTE
:

For
the
diagnostic
procedure
on
gear
1,
gear
2,
gear
3

and
gear
4
incorrect
ratio
(DTC
P0731,
DTC
P0732,
DTC

P0733
and
DTC
P0734),
referto
2-7
[T10AR0,
T10AS0,

T10AT0
and
T10AU0]
2
.

113

2-7
[T11AV0]
ON-BOARD
DIAGNOSTICS
11
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

AV
:
DTC
P0740

-
TORQUE
CONVERTER
CLUTCH
SYSTEM

MALFUNCTION
(ATLU
-
F)
-

WIRING
DIAGRAM
:

Automatic
transmission

Duty
ATF
Vehicle
solenoid
temperature
speed
B
sensor
sensorl

854
Brake
Throttle

b~
B55
1
Ii
t
positions

856
B11
T4

B53

TCM

Inhibitor
switch
N
00
0

a

t
~
3
1

B12
T3

Combination
meter
Speedometer
ECM
circuit

B84

e
:
B54
b
:
855
c
:
B56BI1B53812
O

123456
123456712345678910
81

1
234
5
67
8
9101112
1234
5678

910
11
12
13141516
3132
33
3435
363738394
0
4142
4344
6970
58596061626364L
111
9
1
10
1
11
1
12
1
13
1
14
1
15
11
6
789
101112
1
11
1
12
1
13
1
14
1
15
1
16
1
171819
20
1314
I
I6
1
2349
10
1112
8485
86
87888990
91
E3
1
0
-
4
1
95
96
12

B2M0587

NOTE
:

For
the
diagnostic
procedure
on
torque
converter
clutch

system
malfunction
(DTC
P0740),
referto
2-7
[T10AV0]*2
.

114

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[r1iawo1
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AW
:
DTC
P0743

-
TORQUE
CONVERTER
CLUTCH
SYSTEM

(DUTY
SOLENOID
B)
ELECTRICAL
(ATLU)
-

WIRING
DIAGRAM
:

855
-

BII
T4

TCM

855

12345678
1911011121314t
16

B11

131421516
OBD0413
I

NOTE
:

For
the
diagnostic
procedure
on
torque
converter
clutch

system
electrical
(DTC
P0743),
refer
to
2-7
[T10AW0]*2
.

115

2-7
[T11AX0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
DiagnosticsChart
with
Trouble
Code

AX
:
DTC
P0748

-
PRESSURE
CONTROL
SOLENOID
(DUTY

SOLENOID
A)
ELECTRICAL
(ATPL)
-

WIRING
DIAGRAM
:

855
-

v

TCM
Bll
T4

855
Bil
O

1234
5678
12345678
9tOllt2
910111213141516
(3161
t
1
2oeoo424

NOTE
:

For
the
diagnostic
procedure
on
pressure
control
solenoid

electrical
(DTC
P0748),
referto
2-7
[T10AX0]*2
.

116

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[rllavol
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AY
:
DTC
P0753

-
SHIFT
SOLENOID
A

ELECTRICAL
(ATSFTI)

WIRING
DIAGRAM
:

(SHIFT
SOLENOID
1)

855

(
ED
T6

TCM

855
r1
1
2
1
3
1
4T5
1
6
1
7
11
9
1011
1213141516

811

13142116

OBD0436

NOTE
:

For
the
diagnostic
procedure
on
shift
solenoid
A
electri-

cal
(DTC
P0753),
referto
2-7
[T10AY0]*2
.

117

2-7
[r1iazo1
ON-BOARD
DIAGNOSTICS
II
SYSTEM
11
.
Diagnostics
Chart
with
Trouble
Code

AZ
:
DTC
P0758

-
SHIFT
SOLENOID
B
(SHIFT
SOLENOID
2)

ELECTRICAL
(ATSFT2)
-

WIRING
DIAGRAM
:

B11
T6

TCM

855

12'345678
1
9
1
10
1
11
1
12
1
13
1
14
1
15
1
6
811

1234
5678
9
101112
13141516

OBD0444
I

NOTE
:

For
the
diagnostic
procedure
on
shift
solenoid
B
electri-

cal
(DTC
P0758),
referto
2-7
[T10AZ0)*2
.

118

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T11BA0]
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

BA
:
DTC
P0760

-
SHIFT
SOLENOID
C
(SHIFT
SOLENOID
3)

MALFUNCTION
(ATOVR
-
F)
-

WIRING
DIAGRAM
:

BIIT4
Automatic
transmission

4
S
JTM
Shift
solenoid
1

Shift
solenoid
2

Shift
solenoid
3

TCM

Inhibitor
B12
T3
-switch
PRND321
4
000000C
--------------

b
;

c
:

b
:
C
;

"I
L
34
Liel-ml
I
nn
78
15
,11
F21[3
1
4
1
5
1
r6j[7
8
9
01112
416178
9
1
R
L911[111111~13114115116
2346
711+81V90
1314
6
1
00
1112
013D0613,1

NOTE
:

For
the
diagnostic
procedure
on
shift
solenoid
C
malfunc-

tion
(DTC
P0760),
refer
to
2-7
[T10BA0]*2
.

119