1996 SUBARU LEGACY fuse

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T3C61]
2-7

3
.
Diagnosis
System

LED
No
.
Signal
name
Display

1
FWD
switch
FF

2
Kick-down
switch
KD

3
-
-

4
-
-

5
Brake
switch
BR

6
ABS
switch
AB

7
Cruise
control
set
CR

8
Power
switch
PW

9
--
-

I
10
-
I
-

FF
KD
--
BR
ABCR
PW
--

10

LEDNo
.
Signal
name
Display

1
N/P
range
switch
NP

2
R
range
switch
RR

3
D
range
switch
RD

43
range
switch
R3

52
range
switch
R2

6
1
range
switch
R1

7
Diagnosis
switch
SS

s
--

s
-
-

10
-
-

NPRRRDR3
R2
R1
SS
---

oaaoo

0000
,o

60
.
FUNCTION
MODE
:
FAO

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LED
No
.
1
Fuse
is
installed
in
FWD
switch
.

LED
No
.
2
Kick-down
switch
is
turned
ON
.
(Not

equipped)

LED
No
.
5
Brake
pedal
is
depressed
.

LED
No
.
6
ABS
signal
is
entered
.

LED
No
.
7
Cruise
control
is
set
.

LED
No
.
8
Power
switch
is
turned
ON
.
(Not
equipped)

61
.
FUNCTION
MODE
:
FA1

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LED
No
.
1
"N"
or
"P"
range
is
selected
.

LED
No
.
2"R"
range
is
selected
.

LED
No
.
3
"D"
range
is
selected
.

LEDNo
.
4
"3"
range
is
selected
.

LEDNo
.
5
"2"
range
is
selected
.

LEDNo
.
6
"1"
range
is
selected
.

LEDNo
.
7
Diagnosis
connector
is
connected
.

37

2-7
(T6A1]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

6
.
Wiring
Diagram
and
Wiring
Harness

Combination
mete

Tachometer
il0
:e

i
12
:
b

Malfunction
I
il4
:c
indicator
~--
lamp

Speedometer
circuit

ill

Main
relay
~`1
o
B47
Twi
sted
wire

0

846
E

:~~M
R
Fuel
pump
relay

6
.
Wiring
Diagram
and
Wiring
Harness

A
:
WIRING
DIAGRAM

1
.
ENGINE
ELECTRICAL
SYSTEM

To
Power
Supply
Routing

FB-20
~

FUSE
Na
15

MB-3

SBF-2

FB-4

FUSE
Na
l6

ST

IG
SW

FB-22

FUSE
Na
15
I2
B37

i3
B39

S
.
M
.
J
.
[Refer
to
foldout
page
.)

R58R57RIS

Fuel
pump

Inhibitor
switch

812
F45
B62

Check
connector
a
v
879

mvov-~o
M
PPm
M
f~
vrn
f~
Om
.O

Enginecontro
I
B84
module

14001

B97B17

Rl

Vehicle
speed
sensor
2

g7
(B
I
ac
k)
i
It
(g
)(Green)
Rl5
(B
I
ec
k)
R58

1212
123
34
3456
456

i
14
(L
1
ght
gray)
I101l2
(L
I
ght
gray)

12345678910111213
123456789101111314116

50

B47
(Brown)
B12
(Gray)

1
2
1
23
4345
67
8
5
69
1011
12

F45
B79
(Gray)

1
23
4567
8
910
11121R314

(2
i3
(Brown)

2345
6789
1234
678910
1'1
11
1
1
1
13
1
14
1
15
1
16
1
17
1
18
1
19
1
20,011
1
12
1
13
1
14
1
1
51
16
1
17
1
18
1
19
1
20
1
21
1
22
1

BUR10-02A

2-7
[1'6a2]
ON-BOARD
DIAGNOSTICS
11
SYSTEM
6
.
Wiring
Diagram
and
Wiring
Harness

2
.
AT
CONTROL
SYSTEM

To
Power
Supply
Routing

FB-20
~
FB-4
FB-15
~
FB-22
~
FB-30

FUSE
Na
15
FUSE
No
.
l6
FUSENa
lG
FUSENo
.
l5
FUSE
Na
l2

F45
862

Stop
l
ight
switch

*i
:
With
cruise
control

Diagnosis
Diagnosis
D
terminal
connector

BBIB82
*
1
B65

m
'
B64
"'

E

3

Combination
meter

Speedometer
circuit

/---\
FWD

AT
OIL
TEMP

i
l0
:
a

i14
:
c
i2
837

(4
B39

BI2

B64
(B
I
SC
k)
B65
(B
I
8C
k)

12
12
34

I10
(L
f
ght
gray)

1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8T9
l
lO
l
ll
l
l2
l
l3
l
l
-
4Fl5TI6

Ref
.
to
Back-up
)light
system
.
)Ref
.to
Starting
system
.

882
(B
I
ac
k)
(Gray)
B12
B21
(L
i
ght
gray)
i
14

1234
1
2
5678
1
3
1
4
1S1
6
9101112
1
1
1
2
1
3
1
4
1
5
1
6
M78
9
1
10
1
11
1
12
1
1

F45
(4
(B
I
ue)
t2

234
67
9
12345
6789(0
1111213141516171A19201~
111213141516171619202122

BUR41-02A

54

Inhibitor
switch

5-5b
[TaD7]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)

4
.
Diagnostics
Chart
for
On-board
Diagnostic
System

D
:
LIST
OF
TROUBLE
CODES

1
.
TROUBLE
CODES

Trouble
code/Contents
of
troubles
Memory
function
Contents
of
diagnosis
Page

1)
Airbag
main
harness
circuit
is
shorted
.

04
Provided
.
2)
Airbag
module
harness
(Ps)
circuit
is
shorted
.
15

3)
Airbag
control
module
is
faulty
.

1)
Airbag
control
module
is
faulty
.

11
Provided
.
2)
Airbag
main
harness
circuit
is
open
.
16
3)
Fuse
No
.
8
is
blown
.

4)
Body
harness
circuit
is
open
.

1)
Airbag
main
harness
circuit
is
open
.

12
Provided
..
2)
Airbag
module
harness
(Dr)
circuit
is
open
.
19
3)
Roll
connector
circuit
is
open
.

4)
Airbag
control
module
is
faulty
.

1)
Airbag
main
harness
circuit
is
shorted
.

13
Provided
.
2)
Airbag
module
harness
(Dr)
is
shorted
.
20
3)
Roll
connector
circuit
is
shorted
.
4)
Airbag
control
module
is
faulty
.

1)
(AB9)
and
(AB10)
arenot
connected
properly
.

2)
(AB2)
and
(AB7)
arenot
connected
properly
.
14
Not
provided
.
3)
(AB3)
and
(AB8)
arenot
connected
properly
.
21
4)
(AB6)
is
not
connected
properly
to
airbag
control
module
.

21
Provided
.
Airbag
control
module
is
faulty
.
23

1)
Airbag
main
harness
circuit
is
open
.

22
Provided
.
2)
Airbag
module
harness
(Ps)
circuit
is
open
.
24

3)
Airbag
control
module
is
faulty
.

1)
Airbag
control
module
is
faulty
.

31
Not
provided
.
21
Airbag
main
harness
circuit
is
open
.
25
3)
Fuse
No
.
16
is
blown
.

4)
Body
harness
circuit
is
open
.

33
Provided
.
Airbag
module
is
inflated
.
27

1)
Airbag
main
harness
circuit
(Ps)
is
shorted
to

power
supply
.

34
Provided
.
2)
Airbag
module
harness
(Ps)
is
shorted
to
power
28

supply
.

3)
Airbag
control
module
is
faulty
.

1)
Airbag
main
harness
circuit
(Dr)
is
shorted
to

ground
.

41
Provided
.
2)
Airbag
module
harness
circuit
(Dr)
is
shorted
to
29

ground
.

3)
Roll
connector
circuit
is
shorted
to
ground
.

4)
Airbag
control
module
is
faulty
.

1)
Airbag
main
harness
circuit
(Ps)
is
shorted
to

ground
.

42
Provided
.
2)
Airbag
module
harness
circuit
(Ps)
is
shorted
to
30
ground
.

3)
Airbag
control
module
is
faulty
.

1)
Airbag
main
harness
circuit
(Dr)
is
shorted
to

power
supply
.

43
Provided
.
2)
Airbag
module
harness
(Dr)
is
shorted
to
power
31
supply
.

3)
Roll
connector
is
shorted
to
power
supply
.

4)
Airbag
control
module
is
faulty
.

10

SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[TaD2]
5-5b

4
.
Diagnostics
Chart
for
On-board
Diagnostic
System

Trouble
code/Contents
of
troubles
Memory
function
Contents
of
diagnosis
Page

1)
Airbag
warning
light
is
faulty
.

2)
Airbag
control
module
to
airbag
warning
light

Airbag
warning
light
remains
on
.
Not
provided
.
harness
circuit
is
shorted
or
open
.
32
3)
Grounding
circuit
is
faulty
.
4)
Airbag
control
module
is
faulty
.

5)
(AB1)
and
(B39)arenot
connected
properly
.

1)
Fuse
No
.
15
is
blown
.

2)
Body
harness
circuit
is
open
.

Airbag
warning
light
remains
off
.
Not
provided
.
3)
Airbag
warning
light
is
faulty
.
35
4)
Airbag
main
harness
is
faulty
.

5)
Airbag
control
module
is
faulty
.

Warning
light
indicates
trouble
code,

then
normal
code
.
(Flashing
trouble
Provided
.
Airbag
system
component
parts
are
faulty
.
38

code
.)

1)
Airbag
connector
is
faulty
.

Warning
light
indicates
trouble
code,
2)
Fuse
No
.
16
is
blown
.

then
normal
code
.
(Flashing
normal
Not
provided
.
3)
Airbag
main
harness
is
faulty
.
41

code
.)
4)
Airbag
control
module
is
faulty
.

5)
Body
harness
is
faulty
.

[NOTE]
Dr
:
Driver
side
Ps
:
Passenger
side

2
.
HOW
TOREAD
TROUBLE
CODES

TheAIRBAG
warning
light
flashes
a
code
corresponding

to
the
faulty
parts
.

The
long
segment
(1.2
secon)
indicates
a
"ten",
and
the

short
segment
(0
.3
secon)
indicates
a
"one"
.

Example
:

ON
Flashing10
111
p
~
J
~
L
J
1
code
12
:
OFF

1
.2
0
.3
0
.3
0
.3
0
.3
1
2
(Sec)

ON
Flashing
OFF
10
10

70
.3171d
.2
_

11

10
code
21
:

T
12
0
.3
1
.2
0
.3
(Sec)

Flashing
ON

normal
OFF
code
:
1
0
.6
0
.6
(Sec)

85M01
17A

11

SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[T5H11
5-5b

5
.
Diagnostics
Chart
with
Trouble
Code

H
:
TROUBLE
CODE
31

DIAGNOSIS
:

"
Airbag
control
module
is
faulty
.

"
Airbag
main
harness
circuit
is
open
.

"
Fuse
No
.
16
is
blown
.

"
Body
harness
circuit
is
open
.

1
1
.
Airbag
control
module
inspection

1
2
.
Airbag
main
harness
Inspection

1
3
.
Fuse
No
.
16
inspection

CAUTION
:

Before
performing
diagnostics
on
airbag
system,
turn

ignition
switch
"OFF",
disconnect
battery
ground
cable

and
then
wait
at
least
20
seconds
.

After
20
seconds
elapse,
remove
instrument
panel
lower
cover,
and
disconnect
(AB3)
and
(AB8),
(AB9)
and

(AB10)
.

1
.
AIRBAG
CONTROL
MODULE
INSPECTION

1)
Disconnect
connector
(AB6)
fromairbag
control
mod-

ule
<
Ref
.
to
5-5
[W6A0].*2
>,
and
connect
it
to
test
har-

ness
B2
connector
(8B)
.

2)
Connect
battery
ground
cable
and
turn
ignition
switch

"ON"
(engine
off)
.

3)
Measure
voltage
across
connector
(5B)
terminal
and

chassis
ground
.

CHECK
:
Connector
&
terminal

(5B)
No
.
5
(+)
-
Chassis
ground
(
)
:

Is
voltage
more
than10
V?

Replace
airbag
control
module
.

No
:
Go
to
step
2
.

25

5-5b
[T5H2]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)

5
.
Diagnostics
Chart
with
Trouble
Code

2
.
AIRBAG
MAIN
HARNESS
INSPECTION

B31
AB1

2A
5A

I

rrrrr

e
1
214s6'
9
1
10
1
11
1
12
1314IS18
17
18

B5M01198

1)
Go
to
step
2)
below
after
performing
diagnostics
on

airbag
system
asher
diagnosis
procedure
under
"1
.
AIR-

BAG
CONTROLMODULE
INSPECTION"
previouslyout-

lined
.

2)
Turn
ignition
switch
"OFF",
disconnect
battery
ground

cable
and
then
wait
at
least
20
seconds
.

3)
Disconnect
connector
(AB1)from
body
harness
con-

nector
(B31)
at
front
lower
pillar
(driver
side),
and
connect

connector
(AB1)
to
test
harness
A
connector
(2A)
.

4)
Measure
resistance
between
test
harness
A
connector

(5A)
and
test
harness
B2
connector
(5B)
terminals
.

CHECK
:
Connector
&
terminal

,mss
:
Go
to
step
3
.

No
:
Replace
airbag
main
harness
.

(5A)
No
.
9
-
(58)
No
.
5
:

Is
resistance
less
than
10
S2?

ves
:
Go
tostep
5)
.

No
:
Replace
airbag
main
harness
.

5)
Measure
resistance
between
each
terminalof
connec-

tors
(5A)
and
(5B)
and
chassis
ground
.

CHECK
:
Connector
&
terminal

(5A)
No
.
9
(+)
-
Chassis
ground
(
)
:

,rES
:
Go
to
next

No
:
Replace
airbag
main
harness
.

CHECK
:
Connector
&
terminal

(5B)
No
.
5
(+)
-
Chassis
ground
(
)
:

Is
resistance
more
than10
K2?

3
.
FUSENo
.
16
INSPECTION

Make
sure
ignition
switch
is
turned
"OFF",
then
remove
and
visually
check
fuse
No
.
16
.

CHECK
:
Is
fuse
No
.
16
blown?

,res
:
Replace
fuse
No
.
16
.
If
fuse
No
.
16
blows
again,

repair
body
harness
.

No
:
Repair
body
harness
.

26

SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[T502]
5-5b

5
.
Diagnostics
Chart
with
Trouble
Code

O
:
AIRBAG
WARNING
LIGHT
REMAINSOFF
.

DIAGNOSIS
:

"
Fuse
No
.
15
is
blown
.

"
Body
harness
circuit
is
open
.

"Airbag
warning
light
is
faulty
.

"
Airbag
main
harness
is
faulty
.

"Airbag
control
module
is
faulty
.

1
1
.
Fuse
No
.
15inspection

1
2
.
Body
harness
inspection

3
.
Airbag
warning
light
module
(in
combination

meter)
inspection

1
4
.
Airbag
main
harness
Inspection

CAUTION
:

Before
performing
diagnostics
on
airbag
system,
turn

ignition
switch
"OFF",
disconnect
battery
ground

terminal,
and
then
wait
at
least
20
seconds
.

1
.
FUSE
No
.
15
INSPECTION

Remove
and
visually
check
fuse
No
.
15
.

CHECK
;
Is
fuse
No
.
15
blown?

(]
ES
:
Replace
fuse
No
.
15
.

If
fuse
No
.
15
blows
again,
go
to
step
2
.

No
:
Go
to
step
2
.

2
.
BODY
HARNESS
INSPECTION

Turn
ignition
switch
"ON"
(engine
off)
to
make
sure
other

warning
lights
(in
combination
meter)
illuminate
.

CHECK
:
Do
all
the
warning
lights
(in
combination

meter)
except
airbag
warning
light
come
on?

vES
:
Go
to
step
3
.

No
:
Repair
body
harness
.

35