1996 SUBARU LEGACY wiring

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

5-5b
[T5p2]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)

5
.
Diagnostics
Chart
with
Trouble
Code

v

4U

G5M0461
I

3)
Conduct
appearance
inspection
on
parts
selected
.

CHECK
:
Is
there
anything
unusualabout
the
appear-

ance
of
airbag
component
parts?

ves
:
Replace
faulty
airbag
component
parts
.

No
:
Go
to
step
2
.

NOTE
:

Also
check
connector
terminals,
wiring
harness,
case,
etc
.

for
damage
.

2
.
AIRBAG
COMPONENT
PARTS
VIBRATION

INSPECTION

1)
Gently
shake
check
parts
(to
determine
faults
.)
.

2)
To
check
airbag
module
or
roll
connector,
turn
and
tilt

steering
wheel

CAUTION
:

Do
not
shake
or
vibrate
airbag
control
module
.

CHECK
:
Does
the
component
malfunction
again
when

shaking?

Replace
faulty
airbag
component
parts
.

No
:
Go
to
step
3
.

3
.
SHOWERING
INSPECTION
TO
BODY

Spray
water
on
vehicle
body
.

CAUTION
:

Do
not
directly
spraywater
on
airbag
components
.

CHECK
:
Does
water
leak
into
the
passenger
compart-

ment
when
showering
vehicle?

Replace
faulty
airbag
component
parts
.

No
:
Clear
memory
.

NOTE
:

Also
check
wiring
harnesses
as
water
may
leak
along

them
and
get
airbag
component
parts
wet
.

40

SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[T5(a1]
5-5b

5
.
Diagnostics
Chart
with
Trouble
Code

Q
:
WARNING
LIGHTINDICATES
TROUBLE

CODE,
THEN
NORMAL
CODE
.

-
FLASHING
NORMAL
CODE
.
-

DIAGNOSIS
:

"
Airbag
connector
is
faulty
.

"
Fuse
No
.
16
is
blown
.

"
Airbag
.
main
harness
is
faulty
.

"
Airbag
control
module
is
faulty
.

"
Body
harness
is
faulty
.

1
1
.
Airbag
connector
appearance
inspection

1
2
.
Atrbag
connector
vibration
inspection

3
.
Showering
inspection
to
body

4
.
Fuse
No
.
16,
airbag
main
harness,
airbag

control
module,
body
harness
appearance

inspection

5
.
Fuse
No
.
16,
airbag
main
harness,
body

harness
vibration
inspection

1
6
.
Showering
inspectionto
body

1
7
.
Warning
light
illumination
check

CAUTION
:

Before
performing
diagnostics
on
airbag
system,
turn

ignition
switch
"OFF",
disconnect
battery
ground
cable,

and
then
wait
at
least
20
seconds
.

1
.
AIRBAG
CONNECTOR
APPEARANCE
INSPECTION

Conduct
appearance
inspection
on
airbag
connectors

(AB2)
through
(AB8)
.
<
Ref
.
to
5-5
[T100]
.*2
>

CHECK
:
Is
thereanything
unusualabout
the
appear-

ance
of
connectors(AB2)
through
(AB8)?

,rES
:
Replace
faulty
airbag
component
parts
.

No
:
Go
to
step
2
.

NOTE
:

Check
terminals,
case
and
wiring
harnesses
for
damage
.

41

5-5b
[T5G12]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)

5
.
Diagnostics
Chart
with
Trouble
Code

2
.
AIRBAG
CONNECTOR
VIBRATION
INSPECTION

Conduct
vibration
inspection
on
airbag
connectors
(AB2)

through
(AB8)
.
<
Ref
.
to
5-5
[T100]
.*2
>

CHECK
:
Do
the
connectors
(AB2)
through
(AB8)
mal-

function
again
when
shaking?

Replace
faulty
airbag
component
parts
.

No
:
Go
to
step
3
.

NOTE
:

Gently
shake
each
airbag
connector
.

3
.
SHOWERING
INSPECTION
TO
BODY

Spray
water
on
vehicle
body
.

CAUTION
:

Do
not
directly
spray
water
on
airbag
components
.

CHECK
:
Does
water
leak
into
the
passenger
compart-

ment
when
showering
vehicle?

vES
:
Replace
faulty
airbag
component
parts
.

No
:
Go
to
step
4
.

NOTE
:

If
leaks
are
noted,also
check
wiring
harnesses
as
water

may
leak
along
them
and
wet
airbag
connectors
.

4
.
FUSENo
.
16,
AIRBAGMAINHARNESS,
AIRBAG

CONTROL
MODULE,
BODY
HARNESS
APPEARANCE

INSPECTION

Conduct
appearance
inspection
on
fuse
No
.
16
<
Ref
.
to

[T5L3].*1
>,
airbag
main
harness
<
Ref
.
to
[W5A0]
.*1
>,

airbag
control
module
.
to
[W6AOJ
.*2>
and
body

harness
.

CHECK
:
Is
there
anything
unusualabout
the
appear-

ance
of
fuse
No
.
16,
airbag
main
harness,

airbag
control
module
or
body
harness?

,rES
:
Replace
faulty
airbag
component
parts
.

No
:
Go
to
step
5
.

NOTE
:

Also
check
connectors,
terminals,
wiring
harness
and

case
for
damage
.

42

SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[T5G17]
5-5b

5
.
Diagnostics
Chart
with
Trouble
Code

v
0
v

GSM0461

5
.
FUSENo
.
16,
AIRBAG
MAINHARNESS,
BODY

HARNESS
VIBRATION
INSPECTION

Conduct
vibration
inspection
on
fuse
No
.
16,
airbag
main

harness
and
body
harness
.

CAUTION
:

Do
not
shake
or
vibrate
airbag
control
module
.

CHECK
:
Do
fuse
No
.
16,
airbag
main
harness
or
body

harness
malfunction
again
when
shaking?

Replace
faulty
airbag
component
parts
.

No
:
Go
to
step
6
.

NOTE
:

Gently
shake
each
part
.

6
.
SHOWERING
INSPECTION
TO
BODY

Spray
water
on
vehicle
body
.

CAUTION
:

Do
not
directly
spraywater
on
each
part
.

CHECK
:
Does
wafer
leak
into
the
passenger
compart-

ment
when
showering
vehicle?

,res
:
Replace
faulty
airbag
component
parts
.

No
:
Go
to
step
7
.

NOTE
:

If
leaks
are
noted,
check
wiring
harnesses
as
water
may

leak
along
them
and
get
parts
wet
.

7
.
WARNING
LIGHT
ILLUMINATION
CHECK

Turn
ignition
switch
"ON"
(engine
off)
and
observe
airbag

warning
light
.

CHECK
:
Does
the
airbag
warning
light
comes
on
for
8

seconds,then
go
out
and
stay
out?

,rES
:
Clear
memory
.

Go
to
[T4E0]*2
"DIAGNOSTICS
PROCEDURE"
.

43