1996 SUBARU LEGACY Electrical engine

WIRING
DIAGRAM
[Dsoso1
6-3

6
.
Wiring
Diagram

30
.
SRS
(AIRBAG
SYSTEM)

To
PowerSupply
Routing

FB-21

FUSE
Na
15

FB-23

FUSE
No
.8

FB-24
~

FUSE
Na
16

FB-22

FUSE
No
.15

Combination

m

t
r
te
Alrba
c
I
rcu7t
7A

I
nf
I
ator
4~
43)

Or
1
ver
side)
Inflator
(Passenger
g3~
side)

AB2
~
l

AB7
AB3
AB1-0

A88A89

AB6

i3
B38

Diagnosis
terminal

E

-
Ref-to
Engine
electrical
system
.

B79R

Checkconnector

BB2
-C17Diagnosis
'-CC~7
connector

O
:
A(rbagcord

Airbag
control
module

Drive
r
Cl
Electric
circui
t
_
ear
memory
sensor
G-sensor
Warning
Ii
g
ht
Die
nosi5
Impact
module
sensing
'
cricui

ConstantConstant
Back-upcurrent

-

currentSafety
cap
.citor
drive
circuit

T

drive
circuit
sensor

-6~

Booster

il3
B82
(B
I
ac
k)
831
(Ye
II
ova
879
(Grey)
i3
(Brown)

1
2
123
t
23
4567
1
345
6789L0
1
234
3456
1
4
151
6
1
78
910
1(1
1314
11121314116171819202122

BU86-02

17

8
.
Electrical
Wiring
Harness
and
Ground
Point

Connector
Connecting
to

No
.
Pole
Color
Area
No
.
Name

131
2
Brown
B-2
Pressure
sources
switching
solenoid

B2
3
Black
B-2
Pressure
sensor

B3
5
Gray
B-2
Mass
air
slow
sensor
B4
2
Gray
B-2
AT
dropping
resistor

B7
4
Gray
B-3
Cruise
control
pump

B8
6B-3Front
wiper
motor

B9
2
Black
A-2
FWD
switch

B11
16
Gray
B-3
T4
T
B12
12
Gray
B-2
T3
ransmission

B13
6
Gray
B-3
Ignitor

B14
1
Black
B-3
Starter
(Magnet)

B16
2
Gray
B-2
Brake
fluid
level
switch

B17
2
Black
B-3
Vehicle
speed
sensor

B18
3
Dark
gray
B-2Front
oxygen
sensor

4B-2
T5Rear
oxygen
sensor
cord(Other
models)
B19
4B-2
Rear
oxygen
sensor
(California
model)
B20
6Light
gray
B-2El
821
12
Light
gray
B-2
E2Engine
wiring
harness

B22
16
Light
gray
B-2
E3

B26
2
Black
B-3

B27
3B-3
MIB

B28
1
Brown
B-3

B29
2B-2
Rear
washer
motor

B110
~
2
f
Green
B-3
~
Front
washer
motor

`
:
Non-colored

2
.
BULKHEAD
WIRING
HARNESS
AND
GROUND
POINT
(IN
ENGINE
ROOM)

1
2
3
a

E

C

DI

Yi-t
~
GB-4GB-5

(Air
`bag
model
(
Airbag
model
~rrE

1
23
4

21

2-7
[T2A2]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

2
.
Electrical
Components
Location
2
.
Electrical
Components
Location

A
:
ENGINE

2
.
SENSOR

Fuel
level
sensor
~3
Fueltank
pressure
sensor

~2
Fuel
temperature
sensor
~4
Fuel
sub
level
sensor

r
B2M0921A

3

B2M0922A

B2M0946A

ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T10A0]
2-7

10
.
Diagnostics
Chart
with
Trouble
Code

DTC

No
.

Abbreviation

(Subaru
select
monitor)Item
Page

P0500
VSP
Vehicle
speed
sensor
malfunction
'1

P0505
ISC
Idle
control
system
malfunction
`1

P0506
ISC
-
L
Idle
control
system
RPM
lower
than
expected
'1

P0507
ISC
-
H
Idle
control
system
RPM
higher
than
expected
'1

P0600
-
Serial
communication
link
malfunction
`1

P0601
RAM
Internal
control
module
memory
check
sum
error
'1

P0703
ATBRK
Brake
switch
input
malfunction
'1

P0705
ATRNG
Transmissionrange
sensor
circuit
malfunction
`1

P0710
ATF
Transmission
fluid
temperature
sensor
circuit
malfunction
'1

P0720
ATVSP
Output
speed
sensor
(vehicle
speed
sensor
1)
circuit
malfunction
'1

P0725
ATNE
Engine
speed
input
circuit
malfunction
'1

P0731
ATGR1
Gear
1
incorrect
ratio

P0732
ATGR2
Gear
2
incorrect
ratio
"
1
P0733
ATGR3
Gear
3
incorrect
ratio

P0734
ATGR4
Gear
4
incorrect
ratio

P0740
ATLU
-
F
Torque
converter
clutch
system
malfunction
1

P0743
ATLU
Torque
converter
clutch
system
electrical
*1

P0748
ATPL
Pressure
control
solenoid
electrical
'1

P0753
ATSFTi
Shift
solenoid
A
electrical
`1

P0758
ATSFT2
Shift
solenoid
B
electrical
'1

P0760
ATOVR
-
F
Shift
solenoid
C
malfunction
'1

P0763
ATOVR
Shift
solenoid
C
electrical
'1

P1100
ST-SW
Starter
switch
circuit
malfunction
'1

P1101
N/P
-
SW
Neutral
position
switch
circuit
malfunction
[MT
vehicles]
'1

P1101
N/P
-
SW
Neutral
position
switch
circuit
malfunction
[AT
vehicles]
1

P1102
BR
Pressure
sources
switching
solenoid
valve
circuit
malfunction
'1

P1103
TRQ
Engine
torque
control
signal
circuit
malfunction
`1

P1400
PCVSOL
Fueltank
pressure
control
solenoid
valve
circuit
malfunction
38

P1401
PCV
-
FFueltank
pressure
control
system
function
problem
44

P1402
FIVL
Fuel
level
sensor
circuit
malfunction
46

P1500
FAN
-
1
Radiator
fan
relay
1
circuit
malfunction
'1

P1502
FAN
-
F
Radiator
fan
function
problem
'1

P1700
ATTH
Throttle
position
sensor
circuit
malfunction
for
automatic
transmission
'1

P1701
ATCRS
Cruise
control
set
signal
circuit
malfunction
for
automatic
transmission
'1

P1702
ATDIAG
Automatic
transmission
diagnosis
inputsignal
circuit
malfunction
'1

P0461'2
EXERR22
Fuel
level
sensor
circuit
range/performance
problem
56

"1
:
<
Ref
.
to
2-7
[T11A0]
.*4
>

'2
:
Only
OBD-II
general
scan
tool
displays
DTC
.

6-3
IDso1a1
WIRING
DIAGRAM

6
.
Wiring
Diagram

R57R15

Combination
meter
To
Power
Supply
Routing

FB-20
MB-3FB-4
ST
FB-22Check
Tachometer
connector
FUSE
Na
15
S8F-2
FUSE
Na
16
[G
519
FUSE
Na
l5
P
v

1-0
B79
CD
:
bm
rI
a
m

~
~
F45
Malfunction
Q
D
:
C

indicator
,
.
862
lamp
7

Speedometer
B
i
circuit

I11

*c~
)
Main
relay
E

o
B47
=
Twisted
wire

=2
R
0
F-0
0-
<
71

846
E

Fuel
pump
relay
"
>-
3z
M
~`
LL
J
C
A
V
mJ
(7

Fue
I
pump
&
~
MM~mVPPP
-+
fuel
gauge
module
~
Jv
Fue
I
S
.
M
.
J
.
mJ
B97
3
Engine
pump
[Refer'
to
a
1,
B17
control
B84
module
foldout
page
.],
JJ
Rl
~/
m
L
C

O

R

Fuel
ix
J
temperature
R67R46
sensor
u
Vehicle
=
speed
'
rr
sensor
D
Fuel
gauge
~
r
Inhibitor
switch
n

R59

Fue
I
gauge
C~
sub
module

R59
R67R68

B17

(B
lack)

12
2
12
C

i14

111213141516171819110111112113

((
9
)
5
1

F1F1
Pressure
Vent
controlcontrol
solenoid
solenoi
valvevalve

R69
OD
846
R47
(Green)

U
:Z~)
123
~
34

13
.
ENGINE
ELECTRICAL
SYSTEM

R47

F-1
Fuel
tank
d
pressure
sensor

(Brown)

M
F1F2-1

'
2
3
[3141
456
1516

(L
I
ght
gray)
i
10
(
2D
(L
i
ght
gray)

12345678910111213(41516

B12
R57B12

(Gray)

1234
12
3
5678
45678
9101112

F45
B79

(Gray)

1
23
45
67
89
IO
1t
12
1314

(2i3
(Brown)

23456789
12345
678910
1111213141516171819201
[t
1
1
12
1
13
1
14
1
15
1
16
1
17
1
18
1
19
1
20
21
1
99
1

BUR10-03A

6

Automatic
transmis-
sionOil pumpType Variable-capacity type vane pump
Driving method Driven by engine
Number of vanes 9 pieces
Hydraulic
controlTypeElectronic/hydraulic control
[Four forward speed changes by
electrical signals of car speed and
accelerator (throttle) opening]
FluidDexron II or Dexron III type Automatic
transmission fluid
Fluid capacity2200 cc 7.9(8.4 US qt, 7.0 Imp qt)
2500 cc 9.5(10.0 US qt, 8.4 Imp qt)
LubricationLubrication system Forced feed lubrication with oil pump
OilAutomatic transmission fluid (above
mentioned.)
Cooling Cooling systemLiquid-cooled cooler incorporated in
radiator
HarnessInhibitor switch 12 poles
Transmission harnessFWD ... 11 poles
AWD ... 13 poles
TransferTransfer clutch Hydraulic multi-plate clutch
Clutch number of transfer clutchDrive plate &
driven plate5
Control method Electronic, hydraulic type
LubricantThe same Automatic Transmission
Fluid used in automatic transmission.
1st reduction gear ratio 1.000 (53/53)
Final
reductionFinal gear
ratioFront driveFWD 3.900 (39/10)
AWD2200 cc 4.111 (37/9)
2500 cc 4.444 (40/9)
Speedometer gear ratio2200 cc & 2500 cc 0.83 (19/23)
2500 cc OUTBACK 0.76 (19/25)
Lubrication oilAPI, GL-5
Oil
capacityFront drive 1.2(1.3 US qt, 1.1 Imp qt)
AT F
cooling
systemRadiation capacity 1.651 kW (1,420 kcal/h, 5,635 BTU/h)
3
3-2SPECIFICATIONS AND SERVICE DATA
1. Automatic Transmission and Differential

1. Supplemental Restraint System
“Airbag”
Airbag system wiring harness is routed near the instrument
panel, heater unit, blower motor and control unit.
CAUTION:

All Airbag system wiring harness and connectors
are colored yellow. Do not use electrical test equip-
ment on these circuit.

Be careful not to damage Airbag system wiring har-
ness when servicing the instrument panel, heater unit,
blower motor and control unit.
2. Heater Unit
A: REMOVAL AND INSTALLATION
1) Disconnect GND cable from battery.
2) Remove heater hoses (inlet, outlet) in engine compart-
ment.
NOTE:
Drain as much coolant from heater unit as possible, and
plug disconnected hose with cloth.

3) Remove instrument panel.

4) Remove steering support beam.

5) Remove evaporator. (With A/C model)

G4M0554
6) Remove heater unit.
11
4-6SERVICE PROCEDURE
1. Supplemental Restraint System“Airbag”- 2. Heater Unit

1. Supplemental Restraint System
“Airbag”
Airbag system wiring harness is routed near the instrument
panel, heater unit, blower motor and control unit.
CAUTION:

All Airbag system wiring harness and connectors
are colored yellow. Do not use electrical test equip-
ment on these circuit.

Be careful not to damage Airbag system wiring har-
ness when servicing the instrument panel, heater unit,
blower motor and control unit.
2. Heater Unit
A: REMOVAL AND INSTALLATION
1) Disconnect GND cable from battery.
2) Remove heater hoses (inlet, outlet) in engine compart-
ment.
NOTE:
Drain as much coolant from heater unit as possible, and
plug disconnected hose with cloth.

3) Remove instrument panel.

4) Remove steering support beam.

5) Remove evaporator. (With A/C model)

G4M0554
6) Remove heater unit.
11
4-6SERVICE PROCEDURE
1. Supplemental Restraint System“Airbag”- 2. Heater Unit