wiring SUBARU LEGACY 2005 4.G Owners Manual

1-36
Seat, seatbelt and SRS airbags
"
Front passenger’s frontal airbag ON and OFF indi-
cator " All related wiring
If the warning light exhibits any of the following
conditions, there may be a malfunction in the
seatbelt pretensioners and/or SRS airbag sys-
tem. Immediately take your vehicle to your
nearest SUBARU dealer to have the system
checked. Unless checked and properly re-
paired, the seatbelt pretensioners and/or SRS
airbags will operate improperly (e.g. SRS air-
bags may inflate in a very minor collision or not
inflate in a severe collision), which may in-
crease the risk of injury. "Flashing or flickering of the indicator light
" No illumination of the warning light when the
ignition switch is first turned to the “ON” posi- tion " Continuous illumination of the warning light
"Illumination of the warning light while driving !
System servicing
"When discarding a seatbelt retractor assem-
bly or scrapping the entire vehicle damaged by
a collision, consult your SUBARU dealer. " Tampering with or disconnecting the sys-
tem’s wiring could result in accidental activa-
tion of the seatbelt pretensioner and/or airbag
or could make the system inoperative, which
may result in serious injury. The wiring har-
nesses of the seatbelt pretensioner and SRS
airbag systems are covered with yellow insula-
tion and the connectors of the system are yel-
low for easy identification. Do not use electrical
test equipment on any circuit related to the
seatbelt pretensioner and airbag systems. For
required servicing of the seatbelt pretensioner,
see your nearest SUBARU dealer.
The front sub sensors are located in both front
fenders and the airbag control module includ-
ing the impact sensors is located under the
center console. If you need service or repair in

1-63
Seat, seatbelt and SRS airbags
– CONTINUED –
!Components
Sedan
1
2
3
4
5
6 18
19 23
22
8
11
132017
20 12
107
921
20 20
14
16
15
UB1219BB
1) Airbag control module (including im-pact sensors)
2) Frontal airbag module (driver’s side)
3) Frontal airbag module (front pas- senger’s side)
4) Front sub sensor (left hand side)
5) Front sub sensor (right hand side)
6) Side airbag module (driver’s side)
7) Side airbag module (front passen- ger’s side)
8) Side airbag sensor (center pillar left
hand side)
9) Side airbag sensor (center pillar right hand side)
10) Airbag wiring (yellow)
11) Seatbelt pretensioner (driver’s side)
12) Seatbelt pretensioner (front passen- ger’s side)
13) Side airbag sensor (rear wheel house right hand side)
14) Side airbag sensor (rear wheel house left hand side)
15) Curtain airbag module (right side)
16) Curtain airbag module (left side)
17) Seatbelt buckle switch (driver’s side)
18) Seatbelt buckle switch (front pas- senger’s side)
19) Driver’s seat position sensor
20) Front passenger’s occupant detec- tion system weight sensor
21) Front passenger’s occupant detec-
tion control module
22) Front passenger’s frontal airbag ON and OFF indicator
23) SRS airbag system warning light

1-64
Seat, seatbelt and SRS airbags
Station wagon
1
2
3
4
5
20
20
21
9
7
10
12
20
17
20
13
6
18
19 23
22
8
11
14
15
16
UB1218BB
1) Airbag control module (including im-
pact sensors)
2) Frontal airbag module (driver’s side)
3) Frontal airbag module (front pas- senger’s side)
4) Front sub sensor (left hand side)
5) Front sub sensor (right hand side)
6) Side airbag module (driver’s side)
7) Side airbag module (front passen- ger’s side)
8) Side airbag sensor (center pillar left
hand side)
9) Side airbag sensor (center pillar right hand side)
10) Airbag wiring (yellow)
11) Seatbelt pretensioner (driver’s side)
12) Seatbelt pretensioner (front passen- ger’s side)
13) Side airbag sensor (rear wheel house right hand side)
14) Side airbag sensor (rear wheel house left hand side)
15) Curtain airbag module (right side)
16) Curtain airbag module (left side)
17) Seatbelt buckle switch (driver’s side)
18) Seatbelt buckle switch (front pas- senger’s side)
19) Driver’s seat position sensor
20) Front passenger’s occupant detec- tion system weight sensor
21) Front passenger’s occupant detec-
tion control module
22) Front passenger’s frontal airbag ON and OFF indicator
23) SRS airbag system warning light

1-90
Seat, seatbelt and SRS airbags
position.
The following components are monitored by the indi- cator: "
Front sub sensor (Right hand side)
" Front sub sensor (Left hand side)
" Airbag control module (including impact sensors)
" Frontal airbag module (Driver’s side)
" Frontal airbag module (Front passenger’s side)
" Side airbag sensor (Center pillar right hand side)
" Side airbag sensor (Center pillar left hand side)
" Side airbag module (Driver’s side)
" Side airbag module (Front passenger’s side)
" Side airbag sensor (Rear wheel house right hand
side) " Side airbag sensor (Rear wheel house left hand
side)" Curtain airbag module (Right side)
" Curtain airbag module (Left side)
" Seatbelt pretensioner (Driver’s side)
" Seatbelt pretensioner (Front passenger’s side)
" Seatbelt buckle switch (Driver’s side)
" Seatbelt buckle switch (Front passenger’s side)
" Driver’s seat position sensor
" Front passenger’s occupant detection system
weight sensor" Front passenger’s occupant detection control mod-
ule "
Front passenger’s frontal airbag ON and OFF indi-
cator" All related wiring
If the warning light exhibits any of the following
conditions, there may be a malfunction in the
seatbelt pretensioners and/or SRS airbag sys-
tem. Immediately take your vehicle to your
nearest SUBARU dealer to have the system
checked. Unless checked and properly re-
paired, the seatbelt pretensioners and/or SRS
airbags will operate improperly (e.g. SRS air-
bags may inflate in a very minor collision or not
inflate in a severe collision), which may in-
crease the risk of injury. "Flashing or flickering of the indicator light
" No illumination of the warning light when the
ignition switch is first turned to the “ON” posi- tion " Continuous illumination of the warning light
"Illumination of the warning light while driving

1-91
Seat, seatbelt and SRS airbags
– CONTINUED –
!SRS airbag system servicing
"When discarding an airbag module or scrap-
ping the entire vehicle damaged by a collision,
consult your SUBARU dealer. " The SRS airbag has no user-serviceable
parts. Do not use electrical test equipment on
any circuit related to the SRS airbag system.
For required servicing of the SRS airbag, see
your nearest SUBARU dealer. Tampering with
or disconnecting the system’s wiring could re-
sult in accidental inflation of the SRS airbag or
could make the system inoperative, which may
result in serious injury. The wiring harnesses of
the SRS airbag system are covered with yellow
insulation and system connectors are yellow
for easy identification.
If you need service or repair in areas listed be-
low, have an authorized SUBARU dealer per-
form the work. The SRS airbag control module,
impact sensors and airbag modules are stored
in these areas. "
Under the center console
" Inside each front fender
" Steering wheel and column and nearby areas
" Top of the dashboard on front passenger’s
side and nearby areas" Each front seat and nearby area
" Inside each center pillar
" In each roof side (from the front pillar to a
point over the rear seat) " Between the rear seat cushion and rear wheel
house on each side
In the event that the SRS airbag is deployed, re-
placement of the system should be performed
only by an authorized SUBARU dealer. When the
components of the SRS airbag system are re-
placed, use only genuine SUBARU parts.
NOTE
In the following cases, contact your SUBARU deal-
er as soon as possible. " The front part of the vehicle was involved in an
accident in which the only the driver’s SRS frontal
airbag or both driver’s and front passenger’s SRS
frontal airbags did not deploy." The pad of the steering wheel, the cover over the
front passenger’s SRS frontal airbag, or either

1-92
Seat, seatbelt and SRS airbags
roof side (from the front pillar to a point over the
rear seat) is scratched, cracked, or otherwise dam-
aged. "
Either center pillar and rear wheel house or a
nearby area of the vehicle was involved in an acci-
dent in which the SRS side airbag and SRS curtain
airbag did not deploy. " The fabric or leather of either front seatback is
cut, frayed, or otherwise damaged. ! Precautions against vehicle modifica- tion
"To avoid accidental activation of the system
or rendering the system inoperative, which may
result in serious injury, no modifications
should be made to any components or wiring of
the SRS airbag system.
This includes following modifications: "Installation of custom steering wheels
" Attachment of additional trim materials to
the dashboard " Installation of custom seats
" Replacement of seat fabric or leather
" Installation of additional fabric or leather on the front seat "
Attachment of a hands-free microphone or
any other accessory to a front pillar, a center
pillar, a rear pillar, the windshield, a side win-
dow, an assist grip, or any other cabin sur-
face that would be near a deploying SRS cur-
tain airbag.
" Installation of additional electrical/electronic
equipment such as a mobile two-way radio on
or near the SRS airbag system components
and/or wiring is not advisable. This could inter-
fere with proper operation of the SRS airbag
system.
Do not perform any of the following modifica-
tions. Such modifications can interfere with
proper operation of the SRS airbag system. " Attachment of any equipment (bush bar,
winches, snow plow, skid plate, etc.) other than
genuine SUBARU accessory parts. " Modification of the suspension system or
front end structure. " Installation of a tire of different size and con-
struction from the tires specified on the vehicle

11 - 4
Maintenance and service
the materials in the vehicle may be hazardous if
improperly used or handled, for example, bat-tery acid. "
Your vehicle should only be serviced by per-
sons fully competent to do so. Serious person-
al injury may result to persons not experienced
in servicing vehicles. " Always use the proper tools and make certain
that they are well maintained. " Never get under the vehicle supported only
by a jack. Always use a safety stands to sup-
port the vehicle. " Never keep the engine running in a poorly
ventilated area, such as a garage or other
closed areas. " Do not smoke or allow open flames around
the fuel or battery. This will cause a fire. " Because the fuel system is under pressure,
replacement of the fuel filter should be per-
formed only by your SUBARU dealer." Wear adequate eye protection to guard
against getting oil or fluids in your eyes. If
something does get in your eyes, thoroughly
wash them out with clean water. " Do not tamper with the wiring of the SRS air-
bag system or seatbelt pretensioner system, or
attempt to take its connectors apart, as that may activate the system or it can render it inop-
erative. The wiring and connectors of these
systems are yellow for easy identification. NEV-
ER use a circuit tester for these wiring.
If your SRS airbag or seatbelt pretensioner
needs service, consult your nearest SUBARU
dealer.
! Before checking or servicing in the en-
gine compartment
"Always stop the engine and set the parking
brake firmly to prevent the vehicle from mov-
ing. " Always let the engine cool down. Engine
parts become very hot when the engine is run-
ning and remain hot for some time after the en-
gine is stopped." Do not spill engine oil, engine coolant, brake
fluid or any other fluid on hot engine compo-
nents. This may cause a fire." Always remove the key from the ignition
switch. When the ignition switch is in the “ON”
position, the cooling fan may operate suddenly

11 - 6 8
Maintenance and service
Fuses
Never replace a fuse with one having a higher
rating or with material other than a fuse be-
cause serious damage or a fire could result.
The fuses are designed to melt during an overload to
prevent damage to the wiring harness and electrical
equipment. The fuses are located in two fuse boxes.
One is located under the instrument panel behind the
fuse box cover on the driver’s seat side. Open the lid that is located above the hood release
knob and pull it toward you to remove it.
UBB569BA
UBB584BA

11 -7 1
Maintenance and service
– CONTINUED –
each fuse.
4. Pull out the fuse with the fuse puller.
5. Inspect the fuse. If it has blown, replace it with a
spare fuse of the same rating.
6. If the same fuse blows again, this indicates that its
system has a problem. Contact your SUBARU dealer for repairs.Main fuse
Main fuse box
The main fuses are designed to melt during an over-
load to prevent damage to the wiring harness and
electrical equipment. Check the main fuses if any elec-
trical component fails to operate (except the starter
motor) and other fuses are good. A melted main fuse
must be replaced. Use only replacements with the
same specified rating as the melted main fuse. If a
main fuse blows after it is replaced, have the electrical
system checked by your nearest SUBARU dealer.
UBB211BA
UBB527BA