SUBARU LEGACY 1996 Service Repair Manual

2-7
R1iBSO1
ON-BOARD
DIAGNOSTICS
11
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

BB
:
DTC
P0763

-
SHIFT
SOLENOID
C
(SHIFT
SOLENOID
3)

ELECTRICAL
(ATOVR)
-

WIRING
DIAGRAM
:

811T6

TCM
.,
.

i

0

12345678
191101111121131141151
t6

B11

1234
678
9
1011
12
13
L41
16

OBD0452

NOTE
:

For
the
diagnostic
procedure
on
shift
solenoid
C
electri-

cal
(DTC
P0763),
referto
2-7
[T10BBO]*2
.

120

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

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T11BE0]
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

BE
:
DTC
P1102

-
PRESSURE
SOURCES
SWITCHING

SOLENOID
VALVE
CIRCUIT
MALFUNCTION

(BR)
-

WIRING
DIAGRAM
:

Main
rela
y
O

Pressure
sources
°
Pressure
switching
solenoid
sensor
valve

O
~I
81
EB
I
B41

SBF-2

O
Bt
B!7

LI
3
4UUU
U910U
112
U
1314
L11516
1
1890212
422
128
3
3
123
1
4461
0
~
3
417
37818
1
6
123
~
56

s2MO7as
I

NOTE
:

For
the
diagnostic
procedure
on
pressure
sources
switch-

ing
solenoid
valve
circuit
malfunction
(DTC
P1102),
refer

to
2-7
[T10BF0]*2
.

123

2-7
[T11BF0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

BF
:
DTC
P1103

-
ENGINE
TORQUE
CONTROL
SIGNAL

CIRCUIT
MALFUNCTION
(TRQ)
-

WIRING
DIAGRAM
:

B84B55

ECM
~9
~
TCM

B84

12
u34
u
u
78
u

171819
202122
23
2128
2930

45464748495054555651

1172
73747576
77171179
80
8182
83

y

B55

12345

1
9
1
10
1
11
1
12
1
13
1
1041516

82M0598

NOTE
:

For
the
diagnostic
procedure
on
engine
torque
control

signal
circuit
malfunction
(DTC
P1103),
refer
to
2-7

[T10BG0)*2
.

124

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T»BGO]
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

BG
:
DTC
P1500

-
RADIATOR
FANRELAY
1
CIRCUIT

MALFUNCTION
(FAN
-1)
-

WIRING
DIAGRAM
:

Ignition
switch
~-1

Sub
fanrelay
1

A/C
relay
holder

B71FTIF28
O
O
F31
a
:
F10
e
:
B52

42
C12
32
344
32
62841D
X29
0116

Fl3
F45

34
1
2
3
~
1111131
1516171819
O~~I

u
112
1
L1
1
3
1
4
1
U
56
U
78

11
15
1

82M0799

NOTE
:

For
the
diagnostic
procedure
on
radiator
fan
relay
1
cir-

cuit
malfunction
(DTC
P1500),
referto
2-7
[T10B10]*2
.

125

2-7
[T11BH0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

BH
:
DTC
P1502

-
RADIATOR
FAN
FUNCTION
PROBLEM

(FAN
-
F)
-

Ignition
switch
C

B72

Sub
fanrelay
t

rn

a
:
F~0

b
:
F~1

e
:O

Main
fan
motor

f17

motor

f16

WIRING
DIAGRAM
:

FL1
.258

58F-4

O
No
.
t
-
FMF~
F45862
O

ECM
21

F21
J
u
l
F28
J
u
l
O
~
O

U
IJ
boW
booms
booms

20A10A
Main
fan
Main
fan
Sub
fan
relay
1
relay
2
relay
2

A/C
relay
holder

e
:
F40
b
:
f41
e
:
(@)

F
1
2
345
&N
rQ3
MZMNTM
F7281
9
110

(9)
QD
(~D
(~D(~D
(N)Q~D
0~~)
(D
1
2u34
!J
56
u
78
u

123
3
~
123
~1
4
1~12121~
0
1

82M0800

NOTE
:

Forthe
diagnostic
procedure
on
radiator
fan
function

problem
(DTC
P1502),
referto
2-7
[T10BJ0]*2
.

126

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T11BI0]2-7

11
.
Diagnostics
Chart
with
Trouble
Code

BI
:
DTC
P1700

-
THROTTLE
POSITION
SENSOR
CIRCUIT

MALFUNCTION
(ATTH)
-

WIRING
DIAGRAM
:

Ei3

i

B84
884~~B56
a~
B54
B21
Et3
I

12
34
U
56
U
78
U
111819
20
2122
232425
26
2728
29
30
1
2
3
4

4546
47
48
49
50
5152
53
54
55
56
57P
12345678910
1234565678
717213
74
7516
777879
80
8182
83
1
11
1
12
1
13
1
14
1
15
1
16
1
17
1
B
19
20
1
7
1
8
1
9
1
10
1
11
1
12
1
1
9
1
10
1
11
1
12
~
1
2
3

82M0613

NOTE
:

For
the
diagnostic
procedure
on
throttle
position
sensor

circuit
malfunction
(DTC
P1700),
referto
2-7
[T10BK0]*2
.

127

2-7
[T11BJ0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

BJ
:
DTC
P1701

-
CRUISE
CONTROL
SET
SIGNAL
CIRCUIT

MALFUNCTION
(ATCRS)
-

WIRING
DIAGRAM
:

896

TCM
_1
a
:
CCM

U

B56
896

123456789(0
11121314(516Ut819
0

OBD0512

NOTE
:

For
the
diagnostic
procedure
on
cruise
control
set
signal

circuit
malfunction
(DTC
P1701),
refer
to
2-7
[T10BL0]*2
.

128

ON-BOARD
DIAGNOSTICS
II
SYSTEM
trylaKOi
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

BK
:
DTC
P1702

-
AUTOMATIC
TRANSMISSION
DIAGNOSIS

INPUT
SIGNAL
CIRCUIT
MALFUNCTION

(ATDIAG)
-

WIRING
DIAGRAM
:

B84B55

>>
TCMECM

884B55

1
2
34
U
56
U
78
U
0
171112
1
2Q
212223
1
2425262
7
28293
45
4647
7
1
T
849
505152
!
N9
1
1
55
5657
1
2
3
4
5
6
78
7172
74757677
81
2
83
9
10111213141516

B2M0614

NOTE
:

For
the
diagnostic
procedure
on
automatic
transmission

diagnosis
input
signal
circuit
malfunction
(DTC
P1702),

referto
2-7
[T10BM0]*2
.

129