1996 SUBARU LEGACY Ecu

5-5b
IMZ-10I
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
2
.
Const
r
uc
ti
on

10
.
WARNING
AND
CAUTION
LABELS

B5H0433A

O

SRS
AIRBAG
CONTROL
UNIT
CAUTION

"
READ
SERVICE
MANUAL
"
NO
SERVICEABLE
INSIDE
~
DO
NOT
DISASSEMBLE
OR
TAMPER
"
DO
NOT
DROP
;
KEEP
DRY
"
STORE
IN
CLEAN
DRYAREA

Precaution

*
lisez
le
manuel
d'entretien
.
aucune
piece
interne
nepeut
titre
remplacee
ou
r6paree
*ne
d6montez
ou
alterez
pas
cetteunite
de
controle
.n'echappez
pas
"
emmagasinez
dans
un
endroit
sec

'~`J~~'«*~-~~~=

Jtd~ahl~~4~LZF~~~o
"eMt,t~,-'7
9
"
ML
Lt--
LJASI
.t
IALtdI
.)T-Fc~Oo

CAUTION
:
ALWAYS
USE
SEATBELTS
OR
CHILDSEAT

"
This
car
is
equipped
with
driver
and
front
seat
passenger
SRS
AIRBAG
.
It
is
designed
to
SUPPLEMENT
THE
SEAT-
BELT
"
If
your
"AIRBAG"
indicator
in
the
instrument
panel
lights
while
driving,
see
your
nearest
SUBARU
dealer
.
"
See
your
owner's
manual
for
more
information
.

ATTENTION
:
ATfACHEZ
VOTRE
CEINTURE
DE
SECURITE
ET
UTILISEZ
UN
SIEGE
POUR
ENFANT

"
Cette
voiture
est
pourvue
d'un
coussin
d'air
SRS
pour
le
conducteur
etle
passagerdu
siegeavant
.
Ce
coussin
a
ete
Q
conqu
comme
COMPLEMENT
A
LA
CEINTURE
DE
SECURITE
.'
""
'
'
"
Si
(
indication
AIRBAG
(coussin
d
air)
s
allume
sur
le
tableau
debord
pendant
la
conduite,
consultez
votre
revendeur
SUBARU
le
plus
proche
.
"
Consultez
votre
manuel
du
proprietaire
.

VORSICHT
Vervvenden
Sie
stets
den
Sicherheitsgurt
oder
den
Kindersitz
.

"
Dieses
Fahrzeug
ist
mit
einer
Fahrer=und
Beifahrer-SRS-Luftsackanlage
ausgerustet
.
Es
wurde
vorgesehen,
um
den
Sicherheitsgurt
zu
erganzen
.
"
Wenn
wahrend
der
Fahrt
die

AIRBAG"-Anzeige
am
Instrumentenbrett
leuchtet,
setzen
Sie
sich
mit
Ihrem
ortlichen
SUBARU-Handler
in
Verbindung
.
"
Nahere
Angaben
dazu
sind
aus
der
Bedienungsanleitung
zu
entnehmen
.

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
[T3G1]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

EGR
SOL
(FDOS)

OX
IN

1
[0],
[ENT]

BMW
I

EGR
SOL
(FDOS)

*CHK*
O
:Y
1
:N

82M0652

EGR
SOL
(FDOS)

OX
1N

1
[1],
[ENT]

82M0653
I

EGR
SOL(FDOS)

END
OF
CHECK

1996
(F00)

-2
.2
SOHC

BMW

10)
Press
thefunction
key
.

(1)
When
executing,
press
the
function
key
[0]
.

NOTE
.

When
in
compulsory
valve
operation
check
mode
the

monitor
indicates
the
execution
of
valve
check
on
display
.

(2)
When
not
executing
or
stopping
the
compulsory

valve
checkmode,
press
thefunction
key
[1]
.

11)
When
compulsory
valve
operation
check
mode
is

exited
or
check
completed,
the
monitor
indicates
the
com-

pletion
of
compulsory
valve
operation
check
on
the

display,
and
automatically
returns
to
the
initial
mode

(FUNCTION
MODE
:
F00)
.

G
:
FINISHING
DIAGNOSIS
OPERATION

1
.
SUBARU
SELECT
MONITOR

1)
Disconnect
test
mode
connector
at
the
lower
portion
of

instrument
panel
(onthe
driver's
side),
to
the
side
of
the
center
console
box
.

2)
Turn
Subaru
select
monitor
switch
and
ignition
switch

to
OFF
.

3)
Disconnect
Subaru
select
monitorfrom
its
data
link

connector
.

42

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[Tyooyl
2-7
10
.
General
Diagnostics
Table

10
.
General
Diagnostics
Table

1
.
FOR
ENGINE

1
23
4
5678
9
10
11
1213

N

ONCdN
C
O
O
a
x
m

Problem
parts
`o
m
v

mj
4'S
O
1>j
T
N
dm
G

~
ON

41
m
~
!d
V
P]
7
0
E
m
~n
N
~o
C
o
O
d
~
~
U
O
c
m~
C
.
.
.
V1
ON
aVa
U
3
C~
0

"

y
dO1OyOQ
~
"O
CN
d7

O
"
0va
l0
0CdyGo
>
"
Vd
da
E
U
"
O
l0
ymC
~
O
NC
N
V
V
4)
N
~
'C
C
.2
7
a
3NmC
oi
mm
o
W
m
.
mU
o~
Symptom
2WFU~Ya
LL
.0
ti
QW

1
Engine
stalls
during
idling
.
O4OOOOO

2
Rough
idling
O
4O
Cl
OO

3
Engine
does
notreturnto
idle
.
O
OO

4Poor
acceleration
O4OOOOO

Engine
stalls
or
engine
sags
or
hesi-
O
D
OOOOOO
fates
at
acceleration
.

6
Surge
O4OOOO

T
Spark
knock
OOOO

8
After
burning
in
exhaust
system
O
Lr
I
O
I

'1
:
The
mark,
D,
indicates
the
symptom
occurring
only
in
cold
temperatures
.

'2
:
For
itemswiththe
mark,
D,ensure
the
secure
installationof
crankshaft
position
sensor
and
camshaft
position
sensor
.

Replacement
is
not
necessary
.

'3
:
Check
fuel
injector,
fuel
pressure
regulator
and
fuel
filter
.

'4
:
Check
ignitor,
ignition
coil
and
spark
plug
.

NOTE
:

Malfunction
of
partsother
than
the
above
is
also
possible
.
Refer
to
1
.
Engine
Trouble
in
General
[K100]
in
Repair
Section
2-3
of

the
Service
Manual

69

5-5b
[T4Ey]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System

11)
Turn
ignition
switch
"OFF",
disconnect
battery

ground
cable,
and
wait
20
seconds
.
Disconnect
passen-

ger
side
airbag
module
connector
(AB9)
to
(AB10)
.
<
Ref
.

to
5-5
[W3A2]
.*1
>

Connect
test
harness
C
connector
(1C)
to
(AB9)
.
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
than30
seconds?

See
"NOTE
:"
.

If
"YES"
proceed
to
step
12)
.

If
"NO"
proceed
to
step
3)
.

12)
Turn
ignition
switch
"OFF",
disconnect
battery

ground
cable,
and
wait
20
seconds
.
Replace
with
a
new

passenger
side
airbag
module
<
Ref
.
to
5-5
[W3A2]
.*1
>

then
proceed
to
step
15)
.

13)
Turn
ignition
switch
"OFF",
disconnect
battery

ground
cable
and
wait
20
seconds
.
Replace
with
a
new

passenger
side
airbag
module
<
Ref
.
to
5-5
[W3A2]
.*1
>

then
proceed
to
step
7)
.

14)
Turn
ignition
switch
"OFF",
disconnect
battery

ground
cable,
and
wait
20
seconds
.
Replace
with
a
new

combination
switch,
<
Ref
.
to
5-5
[W7A0]
.*2
>
and
install

driver
side
airbag
module
<
Ref
.
to
5-5
[W3A1
]
.*1
>
.

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
to
step
16)
.

If
"NO"
proceed
to
step
9)
.

15)
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
16)
.

If
"NO"
proceed
to
step
1)
.

16)
Perform
clear
memory
procedure
.
<
Ref
.
to
5-5

[T4C0]
.*2
>

If
memory
cannot
be
cleared,
another
trouble
code
exists
.

Return
to
step
1)
.

If
memory
can
be
cleared,
proceed
to
step
17)
.

17)
END
NOTE
:

e
Always
remember
to
secure
the
greendouble
locks

before
turning
the
ignition
switch
"ON"
.

9
In
some
cases
the
airbag
warning
light
will
go
"OFF"

after
8
seconds
but
will
turn
"ON"
again
within
30
sec-

onds
.
In
this
case
continue
diagnostics
with
the
basic

diagnostics
procedures
or
trouble
code
procedures
.

14

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[rsi2]
2-7
8
.
Diagnostics
for
Engine
Starting
Failure

WIRING
DIAGRAM
:

Fuel
pump

M

R58
S
.M
.J
.

R67R46
R1
897

E

B84

ECM

Fuel
pump
relay

0

846

SBF-2

No
.16
~b---

862F45

884

9
10
1112
13141516
R58
R61B46

3132
333435363738
39
40
4142
43
44585960
6162
6364
6566
6768
6910
1
2
3
~1
]
M34
1
84
1
8
51
86
1
871
88
1
89
1
90
1
91
1
92
1
93
1
94
1
95
1
96
1
4
56~J

82M
1014

PUMpK

OPERATING
SOUND
OFFUEL
811
CHEC

R58

OBD0132A

Make
sure
that
fuel
pump
isin
operation
for
two
seconds

when
turning
ignition
switch
to
ON
.

CHECK
:
Does
fuel
pump
produce
operating
sound?

NOTE
:

Fuel
pump
operation
check
can
also
beexecuted
using

Subaru
Select
Monitor
(Function
mode
:
FD01)
.

For
the
procedure,
referto
"COMPULSORY
VALVE
OPER-
ATION
CHECK
MODE"
2-7
[T3F0]*4
.

,res
:
Check
fuel
injector
circuit
.
<
Ref
.
to
2-7

[T10Q0].*2
>

No
:
Go
to
step
812
.
1
812
CHECK
GROUND
CIRCUIT
OF
FUEL
PUMP
.

1)
Turn
ignition
switch
to
OFF
.

2)
Disconnect
connector
from
fuel
pump
.

3)
Measure
resistance
of
harness
connector
between
fuel

pump
and
chassis
ground
.

CHECK
:
Connector
&
terminal

(R58)
No
.
4
-
Chassis
ground
:

Is
the
resistance
less
than
5
S2?

5

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

10
.
Diagnostics
Chart
with
Trouble
Code

OBD
(FBI)

P0181

H2M1350

BP
:
DTC
P0181

-
FUEL
TEMPERATURE
SENSOR
A
CIRCUIT

RANGE/PERFORMANCE
PROBLEM

(TN
KT
-
F)
-

DTC
DETECTINGCONDITION
:

Two
consecutive
trips
with
fault

10BP1
I
Check
DTC
P0180
on
display
.

CAUTION
:

After
repair
or
replacement
of
faultyparts,
conduct

CLEAR
MEMORY
and
INSPECTION
MODES
.

Ref
.
to
2-7
[T3D0]
and
[T3E0]
.*2
and
*4
>

WIRING
DIAGRAM
:

884

ECM

301

S
.M
.J
.

B91
R1
R15R57R58
Fuel
tank

Fuel
temperature
===@H
sensor

884B22

1
U34
U5U
78
U
1
2
34
1711811912012112212312
51
1152211523112152511526113'
68
55
91
1451461471481491501
47
1
01112
1/11/21/31141151761//1781/91601811821631
193142116
U
1121
E
1
23
4
1
b
1
65
3-7
10
1
[49

B2M1015

16