1996 SUBARU LEGACY torque

2-7
[T11BF0]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

11
.
Diagnostics
Chart
with
Trouble
Code

BF
:
DTC
P1103

-
ENGINE
TORQUE
CONTROL
SIGNAL

CIRCUIT
MALFUNCTION
(TRQ)
-

WIRING
DIAGRAM
:

B84B55

ECM
~9
~
TCM

B84

12
u34
u
u
78
u

171819
202122
23
2128
2930

45464748495054555651

1172
73747576
77171179
80
8182
83

y

B55

12345

1
9
1
10
1
11
1
12
1
13
1
1041516

82M0598

NOTE
:

For
the
diagnostic
procedure
on
engine
torque
control

signal
circuit
malfunction
(DTC
P1103),
refer
to
2-7

[T10BG0)*2
.

124

AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[T6D1]
3-2

6
.
Diagnostic
Chart
for
On-board
Diagnostics
System

D
:
LIST
OF
TROUBLE
CODE

1
.
TROUBLE
CODE

Trouble
code
Item
Content
of
diagnosis
Abbr
.

(Select
monitor)
Page

11
Duty
solenoid
A
Detects
open
or
shorted
drive
pLDTY
-
circuit,
as
well
asvalve
seizure
.

12
Duty
solenoid
B
Detects
open
or
shorted
drive
LUDTY
-
circuit,
as
well
asvalve
seizure
.

13
Shift
solenoid
3
Detects
open
or
shorted
drive
OVR
-
circuit,
as
well
as
valve
seizure
.

14
Shift
solenoid
2
Detects
open
or
shorted
drive
SFT2
-
circuit,
as
well
as
valve
seizure
.

15
Shift
solenoid
1
Detects
open
or
shorted
drive
SFTi
-
circuit,
as
well
as
valve
seizure
.

21
ATF
temperature
sensor
Detects
open
or
shorted
input
ATFT
-
signal
circuit
.

22
Mass
air
flowsignalDetects
open
or
shorted
input
AFM
4
signal
circuit
.

23
Engine
speed
signal
Detects
open
or
shorted
input
EREV
6
signal
circuit
.

24
Duty
solenoid
C
Detects
open
or
shorted
drive
4WDTY
-
circuit,
as
well
as
valve
seizure
.

25
Torque
control
signal
Detects
open
or
shorted
input
TQ
.CT8
signal
circuit
.

31
Throttle
position
sensor
Detects
open
or
shorted
input
THV
10
signal
circuit
.

32
Vehicle
speed
sensor
1
Detects
open
or
shorted
input
VSP1
-
signal
circuit
.

33
Vehicle
speed
sensor
2Detects
open
or
shorted
input
VSP2
-
signal
circuit
.

3-2
rr7KO1
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL

7
.
Diagnostic
Ch
art
with
Trouble
Code

K
:
TROUBLE
CODE
25

-
TORQUE
CONTROL
SIGNAL
-

DIAGNOSIS
:

"
Torque
control
signal
is
not
emitted
from
TCM
.

"
The
signal
circuit
is
open
or
shorted
.

1
.
Check
harness
connector
between
TCM
and
Not
OK
ECM
.

OK

I
Repair
or
replace
harness
connectors
.

2
.
Check
output
signal
for
TCM
.
J
OK

Not
OK

Repair
ECM
connector
terminal
poor
contact
.

Replace
ECM
.

1
9
Repair
TCM
connector
terminal
poor
contact
.

B84B55

ECM
79
F6TCM

B84

12u34
u
56
u
78
u

171819
20
2122
23242526
2128
2930
454647484950
5152
5354555657

7172
7374757677787980
8182
83

B55

12345678

1
9
1
10
1
1
11213141516

82M0598
I

8

~
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
.

B2M0313
7) Remove front exhaust pipe and center exhaust pipe
from hanger bracket.
CAUTION:
Be careful not to pull down front exhaust pipe and
center exhaust pipe.
B2M0060
8) Separate front catalytic converter from front exhaust
pipe and center exhaust pipe.
B2M0060
B: INSTALLATION
CAUTION:
Replace gaskets with new ones.
1) Install front catalytic converter to front exhaust pipe and
center exhaust pipe.
Tightening torque:
30±5 N⋅m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
B2M0313
2) Install front exhaust pipe and center exhaust pipe.
And temporarily tighten bolt which installs center exhaust
pipe to hanger bracket.
B2M0054
3) Tighten bolts which hold front exhaust pipe onto cylin-
der heads.
Tightening torque:
30±5 N⋅m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
3
2-1SERVICE PROCEDURE
1. Front Catalytic Converter

B2M0055
4) Install center exhaust pipe to rear exhaust pipe.
Tightening torque:
18±5 N⋅m (1.8±0.5 kg-m, 13.0±3.6 ft-lb)
B2M0313
5) Tighten bolt which holds center exhaust pipe to hanger
bracket.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0312
6) Connect rear oxygen sensor connector. (Except Califor-
nia 2200 cc model)
B2M0725
7) Lower the vehicle.
8) Connect rear oxygen sensor connector. (California
2200 cc model)
B2M0724
9) Connect front oxygen sensor connector.
4
2-1SERVICE PROCEDURE
1. Front Catalytic Converter

B2M0421
2) Install center exhaust pipe to front catalytic converter.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0055
3) Install center exhaust pipe to rear exhaust pipe.
Tightening torque:
18±5 N⋅m (1.8±0.5 kg-m, 13.0±3.6 ft-lb)
B2M0313
4) Tighten bolt which holds center exhaust pipe to hanger
bracket.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0312
5) Connect rear oxygen sensor connector. (Except Califor-
nia 2200 cc model)
G2M0375
3. Canister
A: REMOVAL AND INSTALLATION
1. 2200 cc FWD AND 2500 cc MODEL
1) Disconnect canister hoses from evaporation pipes.
2) Remove canister with bracket.
6
2-1SERVICE PROCEDURE
2. Rear Catalytic Converter - 3. Canister