1996 SUBARU LEGACY differential

AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[T8L0]
3-2

8
.
Diagnostic
Chart
with
SelectMonitor

LUDTY
(F12)

5%

G3M0732

L
:
MODE
F12
-
LOCK-UP
DUTY
(LUDTY)
-

CONDITION
:

Idling(after
sufficient
warm-up)
with
lock-up
system

released
.

"
Driving
at
75
km/h
(47
MPH)
(after
sufficient
warm-up)

with
lock-up
system
applied
.

SPECIFIED
DATA
:

"
Lock-up
system
released
;
5%

"
Lock-up
system
applied
:
95%

17

Probable
cause
(if
outside
"specified
data")

3-2
[Two]
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL

8
.
Diagnostic
Chart
withSelect
Monitor

4WDTY
(F13)

95%

G3M0733

Probable
cause
(if
outside
"specified
data")

1
.
Throttle
position
sensor

1
2
.
Vehicle
speed
sensor
1

1
3
.
Vehicle
speed
sensor
2

1
4
.
ATF
temperature
sensor

5
.
Inhibitor
switch

M
:
MODE
F13
-
AWD
DUTY
(4WDTY)
-

CONDITION
:

"
After
sufficient
warm-up

"
Ignition
switch
ON
(engine
OFF)

FWD
mode

"
AWD
mode,
D
range,
full
throttle

SPECIFIED
DATA
:

*
95%
(FWD
mode)

*
25%,
max
.
(vehicle
speed
0
m/h)
(AWD
mode)

Check
in
F09
mode
.
<
Ref
.
to
3-2
[T810]
.*2>

OK

Check
in
F02
mode
.
<
Ref
.
to
3-2
[TSEO].*1
>
OK

Check
in
F04
mode
.
<
Ref
.
to
3-2
(T8F0]
.*1
>

OK

Check
in
F07
mode
.
<
Ref
.
to
3-2
[T8H0]
.*i
>

OK

Check
for
operation
.

OK

1
6
.
ABS
signal
Check
ABS
system
for
operation
.

OK

I
Check
TCM
and
replace
if
necessary
.

18

AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[Taoo]
3-2

8
.
Diagnostic
Chart
withSelect
Monitor

THVCC
(F14)

5
.2
V

83M0259

Probable
cause
(Item
outside
"specified
data")

1
1
.
Throttleposition
sensor
power
supply

N
:
MODE
F14

-
THROTTLE
POSITION
SENSOR
POWER

SUPPLY
(THVCC)
-

CONDITION
:

Ignition
switch
ON
(engine
OFF)

SPECIFIED
DATA
:

5
.12f0
.1
V
Check
throttle
sensor
line
.
<
Ref
.
to
3-2

[T7L0]
.*2
>
OK

AFM
(F15)

0
.6V

83M0370

Probable
cause
(if
outside
"specified
data")

1
.
Mass
air
flow
signal
Check
performance
characteristics
of
mass
air

flow
signal
.
.
to
3-2
[T7H0]
.*2>

OK

Check
TCM
and
replace
if
necessary
.

O
:
MODE
F15

-
MASS
AIR
FLOW
SIGNAL
(AFM)
-

CONDITION
:

"
Ignition
switch
ON
(engine
ON)

"N
range

Idling

SPECIFIED
DATA
:

Engine
warm-up
:
0
.5
-
1
.22
V

I
Check
TCM
and
replace
if
necessary
.

19

3-2
[rsPO]
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL

8
.
Diagnostic
Chart
with
Select
Monitor

DISPLAY

LEDNo
.
Signal
name
Symbol

1
FWD
switch
FF
2
Kick-down
switch
KD

3
--

4
--

5
Brake
BR

6
ABS
switch
AB

7
Cruise
control
set
CR

8
Power
switch
PW

9
-
-

10
t
-
--
I
-

FF
KDBR
ABCR
PW

DDDD
,o

DISPLAY
LEDNo
.
Signal
name
Symbol

1
N/P
range
switch
NP

2
R
range
switch
RR

3
D
range
switch
RD

43
range
switch
R3

5
2
range
switch
R2

6
1
range
switch
R1

7
Diagnosis
switch
SS

--

s
--

,o
_
1

-

NPRRRD
R3
R2
R1
SS

10

P
:
MODE
FAO

-
SWITCH
1
(SW1)
-

Reference
values

"
Lights
up
when
the
fuse
is
installed
in
FWD
switch
(No
.
1)
.

"
Lights
up
when
the
brake
pedal
is
depressed
(No
.
5)

"
Lights
up
when
the
ABS
signal
is
entered
(No
.
6)
.

"
Lights
up
when
the
cruise
control
is
set
(No
.
7)
.

NOTE
:

LED
Nos
.
2
and
8
do
not
come
on
.

Q
:
MODE
FA1

-
SWITCH
2
(SW2)
-

Reference
values

"
Lights
up
when
the
N
or
P
range
is
selected
(No
.
1)
.

"
Lights
up
when
the
R
range
is
selected
(No
.
2)
.

"
Lights
up
when
the
D
range
is
selected
(No
.
3)
.

"
Lights
up
when
the
3
range
is
selected
(No
.
4)
.

"
Lights
up
when
the
2
range
is
selected
(No
.
5)
.

"
Lights
up
when
the
1
range
is
selected
(No
.
6)
.

"
Lights
up
when
the
diagnosis
switch
is
connected

(No
.
7)
.

NOTE
:

If
each
LED
does
not
illuminate
in
the
above
conditions,

inhibitor
switch
malfunction
may
occur
.
Performdiagnos-

tics
on
inhibitor
switch
.
<
Ref
.
to
2-7
[T10AN0]
.*2
>

20

G2M0345
3. Fuel Tank
A: REMOVAL
1) Release fuel pressure.
2) Drain fuel from fuel tank.
G2M0382
3) Remove rear exhaust pipe.
(1) Lift-up the vehicle.
(2) Separate rear exhaust pipe from center exhaust
pipe.
(3) Separate rear exhaust pipe from muffler.
(4) Remove bracket from rubber cushion, and remove
exhaust pipe.
NOTE:
To facilitate the removal of parts, apply a coat of SUBARU
CRC5-56 (Part No. 004301003)

G2M0384
4) Remove muffler assembly.
NOTE:
To facilitate the removal of parts, apply a coat of SUBARU
CRC5-56 (Part No. 004301003)

G3M0059
5) Remove rear differential assembly. (AWD model)
(1) Remove rear axle shafts from rear differential
assembly.
(2) Remove rear differential front cover.
(3) Remove propeller shaft.
(4) Remove lower differential bracket.
(5) Set transmission jack under rear differential.
(6) Remove bolts which install rear differential onto
rear crossmember.

13
2-8SERVICE PROCEDURE
3. Fuel Tank

G3M0059
6) Install rear differential assembly.
G2M0384
7) Install muffler assembly.
G2M0382
8) Install heat sealed cover.
9) Install rear exhaust pipe.
G2M0340
10) Lower the vehicle, and connect connector to fuel
pump.
11) Install access hole lid.
G2M0345
4. Fuel Filler Pipe
A: REMOVAL
1) Release fuel pressure.
2) Drain fuel from fuel tank.
16
2-8SERVICE PROCEDURE
3. Fuel Tank - 4. Fuel Filler Pipe

G2M0345
3. Fuel Tank
A: REMOVAL
1) Release fuel pressure.
2) Drain fuel from fuel tank.
G2M0382
3) Remove rear exhaust pipe.
(1) Lift-up the vehicle.
(2) Separate rear exhaust pipe from center exhaust
pipe.
(3) Separate rear exhaust pipe from muffler.
(4) Remove bracket from rubber cushion, and remove
exhaust pipe.
NOTE:
To facilitate the removal of parts, apply a coat of SUBARU
CRC5-56 (Part No. 004301003)

G2M0384
4) Remove muffler assembly.
NOTE:
To facilitate the removal of parts, apply a coat of SUBARU
CRC5-56 (Part No. 004301003)

G3M0059
5) Remove rear differential assembly. (AWD model)
(1) Remove rear axle shafts from rear differential
assembly.
(2) Remove rear differential front cover.
(3) Remove propeller shaft.
(4) Remove lower differential bracket.
(5) Set transmission jack under rear differential.
(6) Remove bolts which install rear differential onto
rear crossmember.

13
2-8SERVICE PROCEDURE
3. Fuel Tank

G3M0059
6) Install rear differential assembly.
G2M0384
7) Install muffler assembly.
G2M0382
8) Install heat sealed cover.
9) Install rear exhaust pipe.
G2M0340
10) Lower the vehicle, and connect connector to fuel
pump.
11) Install access hole lid.
G2M0345
4. Fuel Filler Pipe
A: REMOVAL
1) Release fuel pressure.
2) Drain fuel from fuel tank.
16
2-8SERVICE PROCEDURE
3. Fuel Tank - 4. Fuel Filler Pipe