Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 612
AB-15
Driver’s Airbag Module
AIRBAG SYSTEM
4. Driver’s Airbag Module
A: REMOVAL
CAUTION:
Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
5, CAUTION, General Description.>
1) Position the front wheels straight ahead. (After
moving a vehicle 5 m (16 ft) or more with front
wheels positioned straight ahead, make sure that
the vehicle moves straight ahead.)
2) Turn the ignition switch to OFF.
3) Disconnect the ground cable from battery and
wait for at least 60 seconds before starting work.
4) Using TORX
®
bit T30 (1), remove the two
TORX
®
bolts on the side of the steering wheel.
5) Disconnect the horn harness.
6) Disconnect the airbag connector on the back of
airbag module, and then remove the airbag mod-
ule. <Ref. to AB-8, PROCEDURE, Airbag Connec-
7) For handling of the removed airbag module, re-
fer to “CAUTION”. <Ref. to AB-5, CAUTION, Gen-
B: INSTALLATION
CAUTION:
• Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
5, CAUTION, General Description.>
• Do not allow harness and connectors to in-
terfere or get tangled up with other parts.
Install each part in the reverse order of removal.
Tightening torque:
10 N·m (1.02 kgf-m, 7.4 ft-lb)
C: INSPECTION
CAUTION:
• Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
5, CAUTION, General Description.>
• Do not allow harness and connectors to in-
terfere or get tangled up with other parts.
Check for the following, and replace the damaged
parts with new parts. <Ref. to AB-12, DRIVER’S
AIRBAG MODULE, INSPECTION, Inspection Lo-
• Airbag module
• Harness
• Connector
• Mounting bracket
CC-00018
(1)
AB-00622
AB-16
Passenger’s Airbag Module
AIRBAG SYSTEM
5. Passenger’s Airbag Module
A: REMOVAL
CAUTION:
Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
5, CAUTION, General Description.>
1) Turn the ignition switch to OFF.
2) Disconnect the ground cable from battery and
wait for at least 60 seconds before starting work.
3) Remove the instrument panel. <Ref. to EI-55,
REMOVAL, Instrument Panel Assembly.>
4) Remove the claws, and remove the passenger’s
airbag module.
5) For handling of the removed airbag module, re-
fer to “CAUTION”. <Ref. to AB-5, CAUTION, Gen-
B: INSTALLATION
CAUTION:
Do not allow harness and connectors to inter-
fere or get tangled up with other parts.
Install each part in the reverse order of removal.
Tightening torque:
7.5 N·m (0.76 kgf-m, 5.5 ft-lb)
C: INSPECTION
CAUTION:
Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
5, CAUTION, General Description.>
Check for the following, and replace the damaged
parts with new parts. <Ref. to AB-13, PASSEN-
GER’S AIRBAG MODULE, INSPECTION, Inspec-
tion Locations after a Collision.>
• Airbag module
• Harness
• Connector
• Mounting bracket
AB-01901
AB-17
Side Airbag Module
AIRBAG SYSTEM
6. Side Airbag Module
A: REMOVAL
CAUTION:
• Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
5, CAUTION, General Description.>
• Make sure how the harnesses of the side air-
bag are routed before assembling to avoid mis-
arranging.
Assembling
with
harnesses
improperly routed may cause the harness to
get caught and short out.
NOTE:
Remove the passenger’s side by referring to driv-
er’s side.
1) Turn the ignition switch to OFF.
2) Disconnect the ground cable from battery and
wait for at least 60 seconds before starting work.
3) Remove the front seat from vehicle. <Ref. to SE-
4) Remove the side airbag harness from the har-
ness holder on the backside of seat cushion as-
sembly.
5) Remove the side airbag harness from backrest
frame assembly.
6) Remove the plastic fastener at the back side
(bottom) of backrest.
7) Open the fastener at the rear side of backrest.
8) Remove the hog rings of backrest cover.
CAUTION:
Be careful not to tear the vinyl inside the seat
when removing the hog rings.
If torn, replace with a new part.
9) Remove the pad (A), and remove the mounting
nut from the side airbag module.
10) Remove the side airbag harness from backrest
frame assembly.
B: INSTALLATION
CAUTION:
• Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
5, CAUTION, General Description.>
• Make sure how the harnesses of the side air-
bag are routed before assembling to avoid mis-
arranging.
Assembling
with
harnesses
improperly routed may cause the harness to
get caught and short out.
• Be sure to perform the system calibration for
occupant detection system after passenger’s
seat installation. <Ref. to OD(diag)-14, SYSTEM
CALIBRATION (REZEROING), OPERATION,
1) Make sure that there is no foreign matter on side
airbag module.
SE-00300
SE-00804
SE-00794
(A)
SE-00796
AB-18
Side Airbag Module
AIRBAG SYSTEM
2) Install the side airbag module to backrest frame
assembly.
CAUTION:
When installing the side airbag module assem-
bly, be sure to put the side airbag module be-
tween backrest cover and airbag guide cloth.
Besides, when the backrest cover is not in-
stalled securely, the side airbag module may
not be activated properly, therefore keep strict-
ly to the following procedure.
• Be careful not to stain or damage the back-
rest cover during assembly.
• Do not reuse hog rings.
• Secure the hog ring using hog ring pliers.
• Install the hog rings to the specified points
securely and make sure that no wrinkle or twist-
ing on backrest cover.
Tightening torque:
6.0 N·m (0.61 kgf-m, 4.4 ft-lb)
3) Install the side airbag harness to backrest frame
assembly.
4) Install the backrest cover.
5) Install the side airbag harness to the clip of the
slide rail IN.
6) Recline the seat or slide it backward and for-
ward, and check there is no contact between the
seat backrest assembly, cushion cover assembly
and side airbag harness.
C: INSPECTION
CAUTION:
Refer to “CAUTION” of “General Description”
before handling the airbag module. <Ref. to AB-
5, CAUTION, General Description.>
Check for the following, and replace damaged
parts with new parts. <Ref. to AB-13, SIDE AIR-
BAG MODULE, INSPECTION, Inspection Loca-
1) With side collision (when side airbag is activat-
ed)
• Side airbag module assembly
• Satellite safing sensor
• Side airbag sensor
• Curtain airbag sensor
• Backrest pad assembly
• Backrest frame assembly
• Backrest cover assembly
2) When damage is found by visual check
• Headrest assembly
• Headrest lock bushing
• Outer slide rail
• Inner slide rail
• Seat hinge cover
• Seat lifter lever
• Reclining lever
• Side airbag harness and connector on body side
• Satellite safing sensor cover
3) With side collision (when side airbag is not acti-
vated)
Check the seat, airbag module, sensor visually,
and then replace them with new parts if damaged
or cracked.
Specially inspect the damage of airbag module
body, mounting bracket and harness connector.
4) Without side collision (dirt and damage of cover)
Replace the corresponding part with a new part.
(A) Airbag guide cloth
(B) Backrest cover
(C) Side airbag module ASSY
(1) Backrest frame ASSY
(2) Airbag guide cloth
(3) Backrest cover
(4) Side airbag module ASSY
(5) Hexagon cap nut
SE-00797
(B)
(B)
(B)
(B)
(B)
(B)
(C)
(A)
(A)
(A)
(A)
(A)
(A)
AB-01905
(2)
(1)
(5)
(4)
(3)
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