SUBARU LEGACY 1996 Service Repair Manual

2-7
(T11AF0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Tro
uble
Code

AF
:
DTC
P0443

-
EVAPORATIVE
EMISSION
CONTROL

SYSTEM
PURGE
CONTROL
VALVE
CIRCUIT

MALFUNCTION
(CPC)
-

WIRING
DIAGRAM
:

Main
rela
y
0
0

847
SBF-2

0
~
E4
Purg
eE
control
ECM
-v
solenoid
v
E
alve

884B22847
E4

U
15161
U
U
12
4
17118119120121
22U3
9
25
207
5
29
Ju
678
m
75
76771761791BUIBI
16,
1
14
1
16
W6
y
B2M0795

NOTE
:

For
the
diagnostic
procedure
on
evaporative
emission

control
system
purge
control
valve
circuit
malfunction

(DTC
P0443),
referto
2-7
[T10AF0]*2
.

100

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T11AG0]
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AG
:
DTC
P0500

-
VEHICLE
SPEED
SENSOR
MALFUNCTION

(VSP)
-

WIRING
DIAGRAM
:

Combination
meter

837
i2

ECM
13a1

11
2
1
U
1
3141
U
15161
U
17181
U
ft
171181191201211221
152
291W
21281
5
11,
11111T11171
;11
111521
4
55
6-
5
T
III
T_9
7~1
4

No
.
15
IG
SBF-4
I
FL1.25

I
QD
(9)
AAAAA
A
VV
V
V
V

EBI
7D

(D
QD
(Brown)
(D

R11
IZ2
03
14MI
1
M12

a
:
(~D(2D
:c

11
12131415161
ff18P1911011111211311411

d
:
i14

MM
141516
IF
Rib
1
9
11011
1
1121131

b
:
0

12
82M0904

NOTE
:

For
the
diagnostic
procedure
on
vehicle
speed
sensor
malfunction
(DTC
P0500),
refer
to
2-7
[T10AG0]*2
.

101

2-7
[T11AH0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

AH
:
DTC
P0505

-
IDLE
CONTROL
SYSTEM
MALFUNCTION

(ISC)
-

WIRING
DIAGRAM
:

Main
relay
0
0

B47
SBF-2

822
O
E7
~
E
~q
q
ECM
Idle
air
-
L-
control
solenoid
valve

B84
822847
E7

U
910
U
1112
U
1314
1516
31
2333435
3
4041424
44
1
2
3
4
60
616
64
6
6
69
5
78485
86
878889909192939495
6
112
141516
I~-I-F-I
1
3
IJlbl
82M0796

NOTE
:

For
the
diagnostic
procedure
on
idle
control
system
mal-

function
(DTC
P0505),
referto
2-7
[T10AH0]*2
.

102

ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T11A10]2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AI
:
DTC
P0506

-
IDLE
CONTROL
SYSTEM
RPM
LOWER

THAN
EXPECTED
(ISC
-
L)
-

NOTE
:

For
the
diagnostic
procedure
on
idle
control
system
RPM

lowerthanexpected
(DTC
P0506),
referto
2-7
[T10A10]*2
.

103

2-7
[T11AJ0]
ON-BOARD
DIAGNOSTICS
11
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

AJ
:
DTC
P0507

-
IDLE
CONTROL
SYSTEM
RPM
HIGHER

THAN
EXPECTED
(ISC
-
H)
-

NOTE
:

For
the
diagnostic
procedure
on
idle
control
system
RPM

higher
thanexpected
(DTC
P0507),
refer
to
2-7

[T10AJ0]*2
.

104

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[rIyaKOl
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AK
:
DTC
P0600

-
SERIAL
COMMUNICATION
LINK

MALFUNCTION
-

WIRING
DIAGRAM
:

(To
Suberuselect
monitor
&
OBD-II
general
scan
tool)

1
2
0
1
Zf
131
14
111111
516
1718
11211V
12345
8
1
77
818
~p
34
1
346
6789

B2M0797

NOTE
:

For
the
diagnostic
procedure
on
serial
communication

link
malfunction
(DTC
P0600),
refer
to
2-7
[T10AK0]*2
.

105

2
.7
[T11AL0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM
11
.
Diagnostics
Chart
with
Trouble
Code

AL
:
DTC
P0601

-
INTERNAL
CONTROL
MODULE
MEMORY

CHECK
SUM
ERROR
(RAM)
-

WIRING
DIAGRAM
:

Main
rela
y
0
0

B47
To
idle
air
control
solenoid
valve,
purge
control
SBF-2
solenoid
valve
etc
.

0

B21
O

ECM
California

00

O
847
BY2821

1
34
1
2
678
1
34
1/161920212
4
23
06
4
1
5[26
3
4910111686
13141516
1
1
71727374
93
19
4
1
9559

82M0798

NOTE
:

For
the
diagnostic
procedure
on
internal
control
module

memory
check
sum
error
(DTC
P0601),
referto
2-7

[T10AL0]*2
.

12
u3
4
uu
7g
uu
910
u
1112
u
1314
u1516
27
2829303133637940
41
42
4446~4950
1
52555760
6162
6364b67
69
70
6
77879
81
2
83
8
0
1

106

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

2_7
[T11AN0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
DiagnosticsChart
with
Trouble
Code

AN
:
DTC
P0705
-

-
TRANSMISSION
RANGE
SENSOR
CIRCUIT

MALFUNCTION
(ATRNG)
-

WIRING
DIAGRAM
:

a
:

Inhibitorb
:
(E)

switchc
:

TCM

8l2
a
:
B5i
b
:
O
c
:
B56

1234
56783456
12345678
12345678910

1
9
1
10
1
11
1
1
2r
[
74
1
9
1
10
1
11
1
1
21
9
(0111213141516
(1l
t
41
16(71
1920

82M0767

NOTE
:

For
the
diagnostic
procedure
on
transmission
range
sen-

sor
circuit
malfunction
(DTC
P0705),
refer
to
2-7

[T10AN0]*2
.

108

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[Tiinooi
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AO
:
DTC
P0710

-
TRANSMISSION
FLUID
TEMPERATURE

SENSOR
CIRCUIT
MALFUNCTION
(ATF)
-

WIRING
DIAGRAM
:

a
c
:
B56

B11

TCM

c
:
856
8
1
5D
BIl

12
34
5678
1
23
456
7891
0
12
34
56
910
1112
1
11
1
1
21
13
1
14
1
15
1
16
1
17
1
18
[
19
12
9
1
78
910
1112
13161516
OBD0383

NOTE
:

For
the
diagnostic
procedure
on
transmission
fluid
tem-

perature
sensor
circuit
malfunction
(DTC
P0710),
refer
to

2-7
[T10AOO]*2
.

109