1996 SUBARU LEGACY clutch

ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T11aoj
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

DTC

No
.

Abbreviation

(Subaru
select
monitor)
Item
Page

P0705
ATRNG
Transmissionrange
sensor
circuit
malfunction
108

P0710
ATF
Transmission
fluid
temperature
sensor
circuit
malfunction
109

P0720
ATVSP
Output
speed
sensor
(vehicle
speed
sensor
1)
circuit
malfunction
110

P0725
ATNE
Engine
speed
input
circuit
malfunction
111

P0731
ATGR1
Gear
1
incorrect
ratio

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

P0734
ATGR4
Gear
4
incorrect
ratio

P0740
ATLU
-
F
Torque
converter
clutch
system
malfunction
114

P0743
ATLU
Torque
converter
clutch
system
(duty
solenoid
B)
electrical
115

P0748
ATPL
Pressure
control
solenoid
(duty
solenoid
A)
electrical
116

P0753
ATSFTi
Shift
solenoid
A
(shift
solenoid
1)
electrical
117

P0758
ATSFT2
Shift
solenoid
B
(shift
solenoid
2)
electrical
118

P0760
ATOVR
-
F
Shift
solenoid
C
(shift
solenoid
3)
malfunction
119

P0763
ATOVR
Shift
solenoid
C
(shift
solenoid
3)
electrical
120

P1100
ST
-
SW
Starter
switch
circuit
malfunction
121

P1101
N/P
-
SW
Neutral
position
switch
circuit
malfunction
122

P1102
BR
Pressure
sources
switching
solenoid
valve
circuit
malfunction
123

P1103
TRQ
Engine
torque
control
signal
circuit
malfunction
124

P1500
FAN
-
1
Radiator
fan
relay
1
circuit
malfunction
125

P1502
FAN
-
F
Radiator
fan
function
problem
126

P1700
ATTH
Throttle
position
sensor
circuit
malfunction
127

P1701
ATCRS
Cruise
control
set
signal
circuit
malfunction
128

P1702
ATDIAG
Automatic
transmission
diagnosis
inputsignal
circuit
malfunction
I
129
75

2-7
[T11AV0]
ON-BOARD
DIAGNOSTICS
11
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

AV
:
DTC
P0740

-
TORQUE
CONVERTER
CLUTCH
SYSTEM

MALFUNCTION
(ATLU
-
F)
-

WIRING
DIAGRAM
:

Automatic
transmission

Duty
ATF
Vehicle
solenoid
temperature
speed
B
sensor
sensorl

854
Brake
Throttle

b~
B55
1
Ii
t
positions

856
B11
T4

B53

TCM

Inhibitor
switch
N
00
0

a

t
~
3
1

B12
T3

Combination
meter
Speedometer
ECM
circuit

B84

e
:
B54
b
:
855
c
:
B56BI1B53812
O

123456
123456712345678910
81

1
234
5
67
8
9101112
1234
5678

910
11
12
13141516
3132
33
3435
363738394
0
4142
4344
6970
58596061626364L
111
9
1
10
1
11
1
12
1
13
1
14
1
15
11
6
789
101112
1
11
1
12
1
13
1
14
1
15
1
16
1
171819
20
1314
I
I6
1
2349
10
1112
8485
86
87888990
91
E3
1
0
-
4
1
95
96
12

B2M0587

NOTE
:

For
the
diagnostic
procedure
on
torque
converter
clutch

system
malfunction
(DTC
P0740),
referto
2-7
[T10AV0]*2
.

114

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[r1iawo1
2-7

11
.
Diagnostics
Chart
with
Trouble
Code

AW
:
DTC
P0743

-
TORQUE
CONVERTER
CLUTCH
SYSTEM

(DUTY
SOLENOID
B)
ELECTRICAL
(ATLU)
-

WIRING
DIAGRAM
:

855
-

BII
T4

TCM

855

12345678
1911011121314t
16

B11

131421516
OBD0413
I

NOTE
:

For
the
diagnostic
procedure
on
torque
converter
clutch

system
electrical
(DTC
P0743),
refer
to
2-7
[T10AW0]*2
.

115

WIRING
DIAGRAM
[113so31
6-3

6
.
Wiring
Diagram

3
.
AIR
CONDITIONING
SYSTEM

Air
conditioningrelay
holder
F27

Compressor
Magnet
F24
clutch

Thermal
protector
F48

Pressure
switch
Q47

Engine
control
module

l
a
p

To
Power
Supply
Routing

IG
FB-22
FB-32
FB-20

IG
SW
FUSE
Na
15
FUSE
Na20FUSENa
21
FUSE
Na
15

M

11
Evaporation
thermo-
FRESH/RECIRC
switch
actuator

F48
(B
I
ue)
(j~)
(Gr
ay)

(M
FIT2-1

123
45
6
C1-
F2~
n
R3
[4151617
1
234

(~D(~D(~D
(~~D
(E)

j
F1W2-1
1
2
1
2
1
2
1
2-
-
-
MMMM
F3T
i
0
9
4
1
3
4
34
34
34

A/Crelay
holder(Black)

Mode
actuator

Ref
.
to
Lighting

Blower
motor
Blower
resistor
motor
relay

O
(B
I
ac
k)

Blower
motor

B87
(B
I
ac
k)
O
(B
I
ac
k)
B50880
(B
I
ue)
B91
1
12
1
2
123
34
345

i
ll
(B
I
ac
k)F45
1
l
(B
I
ac
k)
1
234S
I
6
1
7
1
12345
b789
125
6789(0
34
I1121314t516171819202122
1
9
1
10
1
11
1
12
1
13
1
14
1
15
1
t6
111121314t51617t81920~~

BB4
(L
t
ght
b
I
ue)

12U34
U
56
U
78
U
U
9l0
U
Ilt2
U
1314LJ1516
17
1
18
1
19
1
20
1
21
1
22
1
23
1
24
1
25
1
26
1
27
1
28
1
29
1
30
1
31323
3
34
35
3637
38
39
40
4142
43
44454647
1
48
1
49
~
0
1
51
1
52
1
53
1
54
~
5
1
56
1
57
1
M59
1
60
1
61
~
2
1
63
1
64
1
65
1
66
1
67
1
66
1
69
1
7'
7172
73
74
75
76777B7980
81
1
89
1
83
1
84
8
86878889
90
9192
93
94
996

BUR45-02

9

3-2
[TSAO1
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL

6
.
Diagnostic
Chart
for
On-board
Diagnostics
System

6
.
Diagnostic
Chart
for
On-board

Diagnostics
System

A
:
BASICDIAGNOSTIC
PROCEDURE

TROUBLE
OCCURS
.

INTERVIEW

1
.
Oil
level
check
<
Ref
.
to
3-2

[W2A1],
[W2A2]
.*1
>

2
.
Oil
leak
check
<
Ref
.
to
3-2

[W2A3]
.x`r1
>

3
.
Brake
band
adjustment
<
Ref
.

to
3-2
[W2B1]
.t`r1
>

4
.
Stall
test
<
Ref
.
to
3-2

[W3A0]
.*1
>

5
.
Line
pressure
test
<
Ref
.
to
3-2
[W3C0]
.*1
>

6
.
Transfer
clutch
pressure
test
<
Ref
.
to
3-2
[W3D0]
.*1
>

7
.
Time
lag
test
<
Ref
.
to
3-2

[W3B0]
.*1
>

8
.
Road
test

<
Ref
.
to
3-2
[W3E0]
.*1
>

BASIC
CHECKS

TROUBLE
INDICATION
(AT
OIL
TEMP
INDICATOR)

Not
indicated
.

Indicated
.

ON-BOARD

DIAGNOSTICS

Inspection
using
General

Diagnostic
Table
[T900]*I
.

I

Inspection
using
Diagnostic

Chart
with
Select
Monitor

[T800]*1,
*2
.

Not
OK

No
trouble
code

Trouble
code

Repair
.

CLEAR
MEMORY

Confirmation
test
Trouble
code
(ON-BOARD
DIAGNOSTICS)

No
trouble
code

End

Check
in

accordance

trouble
code

[T700]*1,
*2
.

2

~
The
Title
Index
No
.
is
indicated
on
thetop
left
(or
right)
side
of
the
page
asthe
book
is
opened
.
This
is
useful

for
retrieving
the
necessary
portion
.

(Example
of
usage)

Refer
to
2
-
4
[
W
1
B
1

7
77
Small
title
(Sub-section)

2-tOfwI
no

Medium
title
(Section)

Large
title
(Heading)

Area
title

Chapter
Na

of
title
placement

CLUTCH

SERVICE
PROCEDURE

Large
title
.General

11
A
:
PRECAUTION
I

When
servicing
clutch
system,
pay
attention
tothe
following
items
.
t)
Check
the
routing
ofclutch
cable
for
smoothness
.
2)
Excessive
tighteness
or
looseness
of
clutch
cable
have
a
bad
influence
upon
the
cable
durability
.
3)
Apply
grease
sufficiently
to
the
connecting
portion
ofclutch
pedal
.
4)
Apply
grease
sufficiently
to
the
release
leverportion
.
5)
Position
clutch
cable
through
the
center
of
toBboard
hole
-
'
`
A
.+anstment
is
done
by

In
this
manual,
thefollowing
symbols
are
used
.

Shouldbe
lubricated
with
oil
.

Shouldbe
lubricated
with
grease
.

Sealing
point

Tightening
torque

Small
title

2
.RELEASE
LEVER
Check
leverpivot
portion
and
the
point
of
contact
with
holder
for
wear
.

2
.Release
Bearing
and
Lever

A
:
REMOVAL

2)
Seal

3

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
.

G2M0106
1. General Precautions
1) Before disassembling engine, place it on ST3.
ST1 498457000 ENGINE STAND ADAPTER RH
ST2 498457100 ENGINE STAND ADAPTER LH
ST3 499817000 ENGINE STAND
2) All parts should be thoroughly cleaned, paying special
attention to the engine oil passages, pistons and bearings.
3) Rotating parts and sliding parts such as piston, bearing
and gear should be coated with oil prior to assembly.
4) Be careful not to let oil, grease or coolant contact the
timing belt, clutch disc and flywheel.
5) All removed parts, if to be reused, should be reinstalled
in the original positions and directions.
6) Gaskets and lock washers must be replaced with new
ones. Liquid gasket should be used where specified to
prevent leakage.
7) Bolts, nuts and washers should be replaced with new
ones as required.
8) Even if necessary inspections have been made in
advance, proceed with assembly work while making
rechecks.
2. Hydraulic Lash Adjuster
A: INSPECTION
1) Disconnect blow-by hose from rocker cover.
2) Remove spark plug cap.
B2M0413A
3) Remove left and right rocker covers.
CAUTION:
Before removing left rocker cover, disconnect battery
cables and generator cable.
11
2-3SERVICE PROCEDURE
1. General Precautions - 2. Hydraulic Lash Adjuster