Page 145 of 2890
5-5b
[T3CO]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
3
.
Tools
for
Diagnostics
C
:
TEST
HARNESS
C
PN
98299PA020
2C
1C
3C
1C
2C
cw
''
32
1
123
39
L
3C
,*
1
2
3456
B5M0113A
Page 146 of 2890
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[TWO]
5-5b
3
.
Tools
for
Diagnostics
D
:
AIRBAG
RESISTOR
The
airbag
resistor
is
used
duringdiagnostics
.
The
airbag
resistor
has
the
same
resistance
asthe
airbag
module
and
thusprovides
safety
when
used
instead
of
the
airbag
module
.
It
also
makes
it
possible
to
finish,
diagnostics
in
less
time
.
7
Page 147 of 2890
![SUBARU LEGACY 1996 Service Repair Manual
5-5b
[TaAO]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
A
:
BASIC
DIAGNOSTICS
PR SUBARU LEGACY 1996 Service Repair Manual
5-5b
[TaAO]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
A
:
BASIC
DIAGNOSTICS
PR](/manual-img/17/57433/w960_57433-146.png)
5-5b
[TaAO]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
A
:
BASIC
DIAGNOSTICS
PROCEDURE
1)
Airbag
warning
light
comes
"ON"
.
2)
Turn
ignition
switch
to
"ON",
(engine
"OFF")
and
observe
airbag
warning
light
.
3)
If
airbag
warning
light
stays
"ON"
after
8
seconds
or
remains
"OFF",
or
comes
back
"ON"
after
30
seconds,
this
indicates
a
current
problem
.
Proceed
to
step
8)
.
If
airbag
warning
light
comes
"ON"
for
8
seconds,
then
goes
out
and
stays
out,
this
indicates
normalsystem
operation
atthis
time
.
Check
the
memory
for
intermittent
problems
by
performing
the
procedure
outlined
in
[T4B0)tr2
"ON-BOARD
DIAGNOSTICS"
.
Proceed
to
step
4)
.
4)
If
trouble
code
indicated,
<
Ref
.
to
[T4D1]*2
-
[T4D2]
.*2>
proceed
to
step
5)
.
If
normal
code
indicated,
<
Ref
.
to
[T4D2]
.
>
proceed
to
step
6)
.
5)
Repairand
replacement,
<
Ref
.
to
[T5P1]
.*2>
proceed
to
step
7)
.
6)
Repair
and
replacement,
<
Ref
.
to
[T5Q1]
.*2>
proceed
to
step
7)
.
7)
Turn
ignition
switch
"ON",
(engine
"OFF")
and
observe
airbag
warning
light
.
If
airbag
warning
light
stays
"ON"
after
8
seconds
or
comes
back
"ON"
after
30
seconds,
proceed
to
step
8)
.
If
airbag
warning
light
comes
"ON"
for
8
seconds,
then
goes
out
and
stays
out,
proceed
to
step
9)
.
8)
Repair
and
replacement
.
<
Ref
.
to
[T4E1]
.*2>
Proceed
to
step
10)
.
9)
Clear
memory
.
<
Ref
.
to
[T4C0]
.z`r2>
Proceed
to
step
10)
.
10)
END
Page 148 of 2890
![SUBARU LEGACY 1996 Service Repair Manual
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[T4CO]
5-5b
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
2
L3141
B5mol
15B
2
33
E
;1
1~3141516
B5M01
16B
B
:
ON-BOARD
DIAGNOSTIC
W SUBARU LEGACY 1996 Service Repair Manual
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[T4CO]
5-5b
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
2
L3141
B5mol
15B
2
33
E
;1
1~3141516
B5M01
16B
B
:
ON-BOARD
DIAGNOSTIC
W](/manual-img/17/57433/w960_57433-147.png)
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[T4CO]
5-5b
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
2
L3141
B5mol
15B
2
33
E
;1
1~3141516
B5M01
16B
B
:
ON-BOARD
DIAGNOSTIC
When
the
airbag
system
isin
functioning
condition,
the
airbag
warning
light
will
remain
on
for
8
seconds
and
go
out
when
the
ignition
switch
is
set
to
ON
.
If
there
is
any
malfunction,
the
airbag
warning
light
will
either
stay
on
or
off
continuously
.
In
such
cases,
perform
on-board
diagnostic
in
accordance
with
the
specified
pro-
cedure
to
determine
trouble
codes
.
1)
Turn
ignition
switch
ON
(with
engine
OFF)
.
2)
ConnectDIAG
.
terminal
T
to
No
.
1
terminal
of
diag-
nosis
connector
~2
located
below
lower
cover
.
3)
Check
in
accordance
with
the
trouble
code
indicated
by
the
AIRBAG
warning
light,
and
record
the
trouble
codes
.
4)
Turn
the
ignition
switch
"OFF"
and
remove
the
DIAL
.
terminal
from
No
.1
terminal
of
diagnosis
connector
.
C
:
CLEAR
MEMORY
After
eliminating
problem
as
per
trouble
code,
clear
mem-
oryas
follows
:
Make
sure
ignition
switch
is
ON
(and
engine
off)
.
Connect
one
DIAL
.
terminal
1Q
on
diagnosis
connector
(Z
termi-
nal
No
.
1
.
While
warning
light
is
flashing,
connect
the
other
DIAL
.
terminal
(Z
on
terminal
No
.
2
for
at
least
three
seconds
.
After
memory
is
cleared,
normal
warning
light
flashing
rate
resumes
.
(Warning
light
flashes
every
0
.6
seconds
ON-OFF
operation
.)
Memory
cannotbe
cleared
if
any
problem
exists
.
After
clear
memory
and
then
DIAG
.
terminals
(1)
and
(3),
extract
from
diagnosis
connector
02
.
9
Page 149 of 2890
![SUBARU LEGACY 1996 Service Repair Manual
5-5b
[TaD7]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
D
:
LIST
OF
TROUBLE
CODES
1
.
TROUBLE
CODES
Trouble
code/Contents
of
troubles SUBARU LEGACY 1996 Service Repair Manual
5-5b
[TaD7]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
D
:
LIST
OF
TROUBLE
CODES
1
.
TROUBLE
CODES
Trouble
code/Contents
of
troubles](/manual-img/17/57433/w960_57433-148.png)
5-5b
[TaD7]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
D
:
LIST
OF
TROUBLE
CODES
1
.
TROUBLE
CODES
Trouble
code/Contents
of
troubles
Memory
function
Contents
of
diagnosis
Page
1)
Airbag
main
harness
circuit
is
shorted
.
04
Provided
.
2)
Airbag
module
harness
(Ps)
circuit
is
shorted
.
15
3)
Airbag
control
module
is
faulty
.
1)
Airbag
control
module
is
faulty
.
11
Provided
.
2)
Airbag
main
harness
circuit
is
open
.
16
3)
Fuse
No
.
8
is
blown
.
4)
Body
harness
circuit
is
open
.
1)
Airbag
main
harness
circuit
is
open
.
12
Provided
..
2)
Airbag
module
harness
(Dr)
circuit
is
open
.
19
3)
Roll
connector
circuit
is
open
.
4)
Airbag
control
module
is
faulty
.
1)
Airbag
main
harness
circuit
is
shorted
.
13
Provided
.
2)
Airbag
module
harness
(Dr)
is
shorted
.
20
3)
Roll
connector
circuit
is
shorted
.
4)
Airbag
control
module
is
faulty
.
1)
(AB9)
and
(AB10)
arenot
connected
properly
.
2)
(AB2)
and
(AB7)
arenot
connected
properly
.
14
Not
provided
.
3)
(AB3)
and
(AB8)
arenot
connected
properly
.
21
4)
(AB6)
is
not
connected
properly
to
airbag
control
module
.
21
Provided
.
Airbag
control
module
is
faulty
.
23
1)
Airbag
main
harness
circuit
is
open
.
22
Provided
.
2)
Airbag
module
harness
(Ps)
circuit
is
open
.
24
3)
Airbag
control
module
is
faulty
.
1)
Airbag
control
module
is
faulty
.
31
Not
provided
.
21
Airbag
main
harness
circuit
is
open
.
25
3)
Fuse
No
.
16
is
blown
.
4)
Body
harness
circuit
is
open
.
33
Provided
.
Airbag
module
is
inflated
.
27
1)
Airbag
main
harness
circuit
(Ps)
is
shorted
to
power
supply
.
34
Provided
.
2)
Airbag
module
harness
(Ps)
is
shorted
to
power
28
supply
.
3)
Airbag
control
module
is
faulty
.
1)
Airbag
main
harness
circuit
(Dr)
is
shorted
to
ground
.
41
Provided
.
2)
Airbag
module
harness
circuit
(Dr)
is
shorted
to
29
ground
.
3)
Roll
connector
circuit
is
shorted
to
ground
.
4)
Airbag
control
module
is
faulty
.
1)
Airbag
main
harness
circuit
(Ps)
is
shorted
to
ground
.
42
Provided
.
2)
Airbag
module
harness
circuit
(Ps)
is
shorted
to
30
ground
.
3)
Airbag
control
module
is
faulty
.
1)
Airbag
main
harness
circuit
(Dr)
is
shorted
to
power
supply
.
43
Provided
.
2)
Airbag
module
harness
(Dr)
is
shorted
to
power
31
supply
.
3)
Roll
connector
is
shorted
to
power
supply
.
4)
Airbag
control
module
is
faulty
.
10
Page 150 of 2890
![SUBARU LEGACY 1996 Service Repair Manual
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[TaD2]
5-5b
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
Trouble
code/Contents
of
troubles
Memory
function
Contents
of
diagnosis
Page
1 SUBARU LEGACY 1996 Service Repair Manual
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[TaD2]
5-5b
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
Trouble
code/Contents
of
troubles
Memory
function
Contents
of
diagnosis
Page
1](/manual-img/17/57433/w960_57433-149.png)
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)
[TaD2]
5-5b
4
.
Diagnostics
Chart
for
On-board
Diagnostic
System
Trouble
code/Contents
of
troubles
Memory
function
Contents
of
diagnosis
Page
1)
Airbag
warning
light
is
faulty
.
2)
Airbag
control
module
to
airbag
warning
light
Airbag
warning
light
remains
on
.
Not
provided
.
harness
circuit
is
shorted
or
open
.
32
3)
Grounding
circuit
is
faulty
.
4)
Airbag
control
module
is
faulty
.
5)
(AB1)
and
(B39)arenot
connected
properly
.
1)
Fuse
No
.
15
is
blown
.
2)
Body
harness
circuit
is
open
.
Airbag
warning
light
remains
off
.
Not
provided
.
3)
Airbag
warning
light
is
faulty
.
35
4)
Airbag
main
harness
is
faulty
.
5)
Airbag
control
module
is
faulty
.
Warning
light
indicates
trouble
code,
then
normal
code
.
(Flashing
trouble
Provided
.
Airbag
system
component
parts
are
faulty
.
38
code
.)
1)
Airbag
connector
is
faulty
.
Warning
light
indicates
trouble
code,
2)
Fuse
No
.
16
is
blown
.
then
normal
code
.
(Flashing
normal
Not
provided
.
3)
Airbag
main
harness
is
faulty
.
41
code
.)
4)
Airbag
control
module
is
faulty
.
5)
Body
harness
is
faulty
.
[NOTE]
Dr
:
Driver
side
Ps
:
Passenger
side
2
.
HOW
TOREAD
TROUBLE
CODES
TheAIRBAG
warning
light
flashes
a
code
corresponding
to
the
faulty
parts
.
The
long
segment
(1.2
secon)
indicates
a
"ten",
and
the
short
segment
(0
.3
secon)
indicates
a
"one"
.
Example
:
ON
Flashing10
111
p
~
J
~
L
J
1
code
12
:
OFF
1
.2
0
.3
0
.3
0
.3
0
.3
1
2
(Sec)
ON
Flashing
OFF
10
10
70
.3171d
.2
_
11
10
code
21
:
T
12
0
.3
1
.2
0
.3
(Sec)
Flashing
ON
normal
OFF
code
:
1
0
.6
0
.6
(Sec)
85M01
17A
11
Page 151 of 2890

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
Page 152 of 2890
![SUBARU LEGACY 1996 Service Repair Manual
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
se SUBARU LEGACY 1996 Service Repair Manual
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
se](/manual-img/17/57433/w960_57433-151.png)
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