battery SUBARU LEGACY 1996 Service Repair Manual

1-1
[s2o2]
SPECIFICATIONS

2
.
Station
Wagon

2
.
Station
Wagon

2
.
ENGINE

Engine
type
Horizontally
opposed,
liquid
cooled,
4-cylinder,
4-stroke
gasoline
engine
Valve
arrangement
Overhead
camshaft
type

Bore
x
Stroke
mm
(in)
96
.9
x75
.0(3
.815
x2
.953)

Displacement
cm3
(cu
in)
2,212
(135
.0)

Compression
ratio
9
.7

Firing
order
1-3-2-4

Idle
speed
at
Park/Neutral
position
rpm700

Maximum
output
kW
(HP)/rpm
101
(135)/5,400

Maximum
torque
N
.m
(kg-m,
ft-Ib)/rpm
190
(19
.4,140)/4,400

3
.
ELECTRICAL

Ignition
timing
atidling
speed
BTDC/rpm
20°/700
Spark
plug
Type
and
manufacturer
CHAMPION
:
RC10YC4
(Standard)
NGK
:
BKR6E-11
NIPPONDENSO
:
K20PR-U11

Generator
12V
-
85A

Battery
Reserve
capacity
min100

Cold
cranking
amperes
amp
.I
490

SERVICE
PROCEDURE
[w3A11
5-5b

3
.
Airbag
Module
3
.
Airbag
Module

A
:
REMOVAL

1
.
DRIVER
SIDE

1)
Set
front
wheels
in
straight
ahead
position
.

2)
Turn
ignition
switch
off
.

3)
Disconnect
ground
cable
from
battery
and
wait
forat
least
20
seconds
before
starting
work
.

4)
Using
TORX9
BIT
T30,
remove
two
TORXO
bolts
.

5)
Disconnect
airbag
connector
on
back
of
airbag
mod-

ule
.
<
Ref
.
to
5-5[M2-6].*1
>

6)
Refer
to
"CAUTION"
for
handling
of
a
removed
airbag

module
.
<
Ref
.
to
5-5
[W300]
.*1
>

3

5-5b
[W6A0]
SERVICE
PROCEDURE

6
.
Airbag
Control
Module
AB6
9~v~

BSM0400A

e
B5M0105
I

6
.
Airbag
Control
Module

A
:
REMOVAL

1)
Turn
ignition
switch
off
.

2)
Disconnect
ground
cablefrom
battery
and
wait
forat

least
20
seconds
before
starting
work
.

3)
Remove
lower
cover
.
<
Ref
.
to
5-4
[W1A0]
.*1
>

Disconnect
airbag
connector
(AB3)
and
(AB8)below

steering
column
.

CAUTION
:

Do
notreconnect
airbag
connector
at
steering
column

until
airbag
control
module
is
securely
re-installed
.

4)
Remove
console
box
.
<
Ref
.
to
5-4
[W1A0]
.*1
>

5)
Disconnect
12-pinyellow
connector
fromairbagcon-

trol
module
.
<
Ref
.
to
5-5[M2-6].*1
>

6)
Using
TORXS
BIT
T40
(Tamper
resistant
type),
remove

two
TORXS
bolts
.

Discard
theold
TORXM
bolts
.

CAUTION
:

Use
new
TORXS
bolts
during
re-assembly
.

4

SERVICE
PROCEDURE
[W7AO]
5-5b

7
.
Combination
Switch

7
.
Combination
Switch

)
0)0
C

J

~
AB

,
.,
.
-^o/

G5M0312

A
:
REMOVAL

1)
Turn
ignition
switch
off
.

2)
Disconnect
ground
cable
from
battery
and
wait
for
at

least
20
seconds
before
starting
work
.

3)
Remove
lower
cover
.
<
Ref,
to
5-4
[W1A0)
.*1
>
Dis-

connect
airbag
connector
(AB3)
and
(AB8)
below
steering

column
.

CAUTION
:

Do
not
reconnect
airbag
connector
at
steering
column

until
combination
switch
is
securely
re-installed
.

4)
Disconnect
combination
switch
connectors
from
body

harness
connector
.

5)
Set
front
wheels
in
straight
ahead
position
.
Using

TORX9
BIT
T30,
remove
two
TORX9
bolts
.

6)
Disconnect
airbag
connector
on
back
of
airbag
mod-

ule
.
<
Ref
.
to
5-5[M2-6]
.*1
>
Remove
airbag
module,
and

place
it
with
pad
side
facing
upward
.
<
Ref
.
to
5-5

[W300]
.*1
>

7)
Using
steering
puller,
remove
steering
wheel
.

CAUTION
:

Do
not
allow
connector
to
interfere
when
removing

steering
wheel
.

5

2-7
[T3C6]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

6
.
READDATA
FUNCTION
KEY
LIST
FOR
ENGINE

Function
mode
Contents
Abbreviation
Unit
of
measure

F00
ROM
ID
number
YEAR
-

F01Battery
voltage
VB
V

F02
Vehicle
speed
signal
VSP
km/h,
MPH

F03Engine
speed
signal
EREV
rpm

F04Engine
coolant
temperature
signal
TW
°C,
°F

F05
Ignition
signal
ADVS
deg

F06
Mass
air
flow
signal
QA
g/s,
V

F07
Throttle
position
signal
THV
%,
V

FOS
Injector
pulse
width
TIM
ms

F09
Idle
air
control
signal
ISC
°/m

F10
Load
data
LOAD

F11
Front
oxygen
sensor
outputsignal
02
V

F12
Front
oxygen
sensor
maximum
and
minimum
output

signal
02max
-
min
V,
V

F13
Rear
oxygen
sensor
output
signal
R02
V

F14
Rear
oxygen
sensor
maximum
and
minimum
output

signal
R02max
-
min
V,
V

F17
Short
term
fuel
trim
ALPHA

F19
Knock
sensor
signal
KNOCK
deg

F20
Atmospheric
absolute
pressure
signal
BARD
.
P
kPa,
mmHg

F21
Intake
manifold
absolute
pressure
signal
MANi
.
P
kPa,
mmHg

F29
A/F
correction
(short
term
trim)
by
rear
oxygen
sensor
PHOS

F30
Longterm
fuel
trim
KBLRC

F31
Longterm
whole
fuel
trim
KO

F32
Front
oxygen
sensor
heater
current
F02H
A

F33
Rear
oxygen
sensor
heater
current
R02H
A

F36
Maximum
value
of
cylinder#1
misfire
times
during
100

rotations
MFi

F37
Maximum
value
of
cylinder
#2
misfire
times
during
100

rotations
MF2

F38
Maximum
value
of
cylinder
#3
misfire
times
during
100

rotations
MF3

F39
Maximum
value
of
cylinder
#4
misfire
times
during
100

rotations
MF4

F42
Maximum
and
minimum
EGR
system
pressure
value
EGRmax
-
minkPa

FAO
ON
H
OFF
signal
-
-

FA1
ON
~-->
OFF
signal
-
-

FA2
ON
H
OFF
signal
-
-

FA3
ON
H
OFF
signal
-
-

FA4
ON
H
OFF
signal
-
-

FA5
ON
H
OFF
signal
-
-

FBO
Diagnostic
trouble
code
(DTC)
INSPECT
-

18

2-7
[T3C7]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

82M0476

7
.
FUNCTION
MODE
:
F00

-
ROM
ID
NUMBER
(YEAR)
-

CONDITION
:

Ignition
switch
"ON"
SPECIFIED
DATA
:

Presentation
display

Probable
cause
(Item
outside"specifieddata")

1
.
Error
1

2
.
Error2

vB
(F01)

12
.4
V

B2M0270

Probable
cause
(Item
outside
"specified
data")

1
.
Battery

1
2
.
Charging
system

1
3
.
Power
supply
line

Check
for
loose
or
disconnected
connector,
and

discontinued
circuit,
etc
.

Check
for
poor
contact
of
cartridge,
or
different

type
cartridge
.

8
.
FUNCTION
MODE
:
F01

-
BATTERY
VOLTAGE
(VB)
-

CONDITION
:

(1)
Ignition
switch
"ON"

(2)
Idling
after
warm-up

SPECIFIED
DATA
:

(1)
111
V

(2)
13
f
1
V
Check
battery
voltage
and
electrolyte's
specific

gravity
.

"
Check
regulating
voltage
.
(On
no-load)

Check
alternator
.

o
Check
main
relay
.
<
Ref
.
to
[T9C0]
.*4>

*
Check
harness
connector
of
ECM
power
supply

line
.
.
to
[T9C0]
.*4>

20

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[73c471
2-7

3
.
Diagnosis
System

47
.
READDATA
FUNCTION
KEY
LIST
FOR
AT

Function
mode
Contents
Abbr
.
Unit

F00
Mode
display
--

F01Battery
voltage
VB
V

F02
Vehicle
speed
sensor
1
VSP1
m/h

F03
Vehicle
speed
sensor
1
VSP1
km/h

F04
Vehicle
speed
sensor
2
VSP2
m/h

F05
Vehicle
speed
sensor
2
VSP2
km/h

F06
Engine
speed
EREV
rpm

F07
ATF
temperature
sensor
ATFT
deg
F

F08
ATF
temperature
sensor
ATFTdeg
C

F09
Throttleposition
sensor
THV
V

F10
Gear
position
GEAR
-

F11
Linepressureduty
PLDTY

F12
Lock-up
duty
LUDTY

F13
AWD
duty
4WDTY

F14
Throttleposition
sensor
power
supply
THVCC
V

F15
Mass
air
flow
sensor
~
AFM
~
V

33

2-7
[T3C48]
ON-BOARD
DIAGNOSTICS
II
SYSTEM
3
.
Diagnosis
System

E-4AT
(F00)

4WD
1993

G3M0723

Probable
cause
(if
outside"specifieddata")
48
.
FUNCTION
MODE
:
F00

-
MODE
DISPLAY
-

SPECIFIED
DATA
:

Data
at
the
left
shouldbe
indicated
.

1
.
Communication
failure
(1)
Check
loose
or
poor
connectors,
or
(No
communication
method
can
be
confirmed

with
power
ON
.)
(2)

shortcircuit
.

Check
type
of
cartridge
.

2
.
Vehicle
types
cannot
be
identified
(due
to

communication
failure)
.

VB
(F01)

12
.7
V

OBD0673

1
.
Battery

1
2
.
Charging
system

Check
improper
cartridge
.
Replace
with
proper
one
.

49
.
FUNCTION
MODE
:
F01

-
BATTERY
VOLTAGE
(VB)
-

CONDITION
:

(1)
Ignition
switch
ON

(2)
Engine
idling
after
warm-up

SPECIFIED
DATA
:

(1)
12±1
V

(2)
13
±
1
V

Check
battery
voltage
and
specific
gravity
of

electrolyte
.

(1)
I
Measure
regulatingvoltage
under
no
loads
.

(2)
Check
generator
(as
asingle
unit)
.

34

5-5b
[TaE1)
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)

4
.
DiagnosticsChart
for
On-board
Diagnostic
System

E
:
DIAGNOSTICS
PROCEDURE

1
.
AIRBAG
WARNING
LIGHT
STAYS
ON
AFTER
8

SECONDS
.

1)
Perform
on-board
diagnostic
.
<
Ref
.
to
5-5
[T4130]
.

*2>

2)
Are
trouble
codes
4,
12,
13,
22,
34,
41,
42
or
43
indi-

cated?
<
Ref
.
to
5-5
[T4D1
]*2-[T4D2]
.*2
>

Record
trouble
codes
.
If
"YES"
proceed
to
step
4)
.
If
"NO"

proceed
to
step
3)
.

3)
Proceed
with
diagnostics
and
repair
according
to
trou-

ble
code
indicated
then
perform
step
15)
.

4)
If
codes
4,
22,34,
42are
indicated,
proceed
tostep
5)
.

If
codes
4,
22,
34,
42
arenot
indicated,
proceed
to
step
10)
.

5)
If
codes
12,
13,
41,
43
are
indicated,
proceed
tostep
6)
.

If
codes
12,13,41,
43are
not
indicated,
proceed
to
step

11)
.

6)
Turn
ignition
switch
"OFF",
disconnect
battery
ground

cable,
and
wait
20
seconds
.
Disconnect
passenger
side

airbag
module
connector
(AB9)
to
(AB10)
.
<
Ref
.
to
5-5

[W3A2]
.*1
>
Connect
test
harness
C
connector
(1
C)
to

(AB9)
.

Connect
airbag
resistorto
test
harness
C
connector
(3C)
.

Remove
lower
coverpanel
and
connect
test
harness
C

connector
(1C)
to
(AB8)
<
Ref
.
to
5-4
[W1A0)
.*1
>
with

airbag
resistor
attached
to
test
harness
C
connector
(3C)
.

Connect
battery
ground
cable
and
turn
ignition
switch

"ON"
.
Does
airbag
warning
light
go
"OFF"
after
8
seconds

and
remain
off
for
more
than
30
seconds?

See
"NOTE
:"
.

If
"YES"
proceed
tostep
7)
.

If
"NO"
proceed
tostep
3)
.

7)
Turn
ignition
switch
"OFF",
disconnect
battery
ground

cable,
and
wait
20
seconds
.
Connect
passenger
side
air-

bagmodule
connector
(AB9)
to
(AB10)
.
Connect
battery

ground
cable
and
turn
ignition
switch
"ON"
.
Does
airbag

warning
light
go
"OFF"
after
8
seconds
and
remain
offfor

more
than
30
seconds?

See
"NOTE
:"
.

If
"YES"
proceed
to
step
8)
.

If
"NO"
proceed
tostep
13)
.

12

SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[T4E1]
5-5b

4
.
Diagnostics
Chart
for
On-board
Diagnostic
System

8)
Turn
ignition
switch
"OFF",
disconnect
battery
ground

cable,
and
wait
20
seconds
.
Connect
connector
(A138)to

(AB3)
.
Remove
driver
side
airbag
moduleand
connect
test

harness
C
connector
(1C)
to
(AB7)
.
<
Ref
.
to
5-5

[W3A1]
.*1
>

Connect
airbag
resistorto
test
harness
C
connector
(3C)
.

Connect
battery
ground
cable
and
turn
ignition
switch

"ON"
.
Does
airbag
warning
light
go
"OFF"
after
8
seconds

and
remain
off
for
more
than
30seconds?

See
"NOTE
:"
.

If
"YES"
proceed
to
step
9)
.

If
"NO"
proceed
to
step
14)
.

9)
Turn
ignition
switch
"OFF",
disconnect
battery
ground

cable,
and
wait
20
seconds
.
Replace
with
a
new
driver
side

airbag
module
.
<
Ref
.
to
5-5
[W3A1
]
.*1
>
Proceed
tostep

15)
.

10)
Turn
ignition
switch
"OFF",
disconnect
battery

ground
cable,
and
wait
20
seconds
.
Remove
lower
cover

panel
and
connect
test
harness
C
connector
(1C)
to
(AB8)

<
Ref
.
to
5-4
[W1A0]
.*1
>
with
airbag
resistor
attached
to
test
harness
C
connector
(3C)
.

Connect
battery
ground
cable
and
turn
ignition
switch

"ON"
.
Does
airbag
warning
light
go
"OFF"
after
8
seconds

and
remain
off
for
more
than30
seconds?

See
"NOTE
:"
.

If
"YES"
proceed
to
step
8)
.

If
"NO"
proceed
to
step
3)
.

13