Infiniti FX35 / FX45. Manual — part 901
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PRECAUTIONS
SERVICE INFORMATION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SUPPLEMENTAL RESTRAINT SYS-
TEM” and “SEAT BELTS” of this Service Manual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SUPPLEMENTAL RESTRAINT SYSTEM”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
Precaution for Seat Belt Service
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CAUTION:
• Before removing the front seat belt pre-tensioner assembly, turn the ignition switch off, disconnect
the both battery cables and wait at least 3 minutes.
• Do not use electrical test equipment for front seat belt pre-tensioner connector.
• After replacing or reinstalling front seat belt pre-tensioner assembly, or reconnecting front seat belt
pre-tensioner connector, check the system function. Refer to
• Do not use disassemble buckle or seat belt assembly.
• Replace anchor bolts if they are deformed or worn out.
• Never oil tongue and buckle.
• If any component of seat belt assembly is questionable, do not repair. Replace the whole seat belt
assembly.
• If webbing is cut, frayed, or damaged, replace seat belt assembly.
• When replacing seat belt assembly, use a genuine NISSAN seat belt assembly.
• Disposal, recycling, and transportation of air bag modules and seat belt pre-tensioners should be
performed in compliance with applicable federal, state and local laws and regulations.
AFTER A COLLISION
WARNING:
Inspect all seat belt assemblies including retractors and attaching hardware after any collision.
NISSAN recommends that all seat belt assemblies in use during a collision be replaced unless the col-
lision was minor and the belts show no damage and continue to operate properly. Failure to do so
could result in serious personal injury in an accident. Seat belt assemblies not in use during a colli-
sion should also be replaced if either damage or improper operation is noted. Seat belt pre-tensioner
should be replaced even if the seat belts are not in use during a frontal collision in which the air bags
are deployed.
Replace any seat belt assembly (including anchor bolts) if:
• The seat belt was in use at the time of a collision (except for minor collisions and the belts, retractors and
buckles show no damage and continue to operate properly).
• The seat belt was damaged in an accident. (i.e. torn webbing, bent retractor or guide).
• The seat belt attaching point was damaged in an accident. Inspect the seat belt attaching area for damage
or distortion and repair as necessary before installing a new seat belt assembly.
• Anchor bolts are deformed or worn out.
• The front seat belt pre-tensioner should be replaced even if the seat belts are not in use during the collision
in which the air bags are deployed.
SEAT BELTS
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SEAT BELTS
System Description
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SEAT BELT WARNING CHIME
• With ignition switch turned ON and seat belt unfastened (seat belt switch ON), warning chime will sound for
approximately 6 seconds.
• If warning chime does not sound, refer to
in DI section.
SEAT BELT WARNING LAMP
• Fasten driver's seat belt.
• The seat belt warning lamp should go out.
• If the seat belt warning lamp does not go out, refer to
DI-36, "Wiring Diagram - WARN -"
.
Removal and Installation of Front Seat Belt
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CAUTION:
Before servicing SRS, turn the ignition switch OFF, disconnect both battery cables and wait at least 3
minutes.
REMOVAL OF FRONT SEAT BELT RETRACTOR
1.
Remove the adjuster cover from the shoulder anchor.
1.
Seat belt pre-tensioner connector
2.
Retractor
3.
Screw
4.
Anchor bolt
5.
Retaining washer
6.
Bolt
7.
Seat belt adjuster
8.
Retaining washer
9.
Spacer
10. Adjuster cover
11.
Shoulder anchor
12. Anchor bolt
13. Sus washer
14. Plain washer
15. Outer anchor
16. Anchor bolt
17. Seat cushion outer finisher cover
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SEAT BELTS
2.
Remove the anchor bolt.
3.
Remove the seat cushion outer finisher cover, and remove the anchor bolt.
NOTE:
Set the front and rear cushion lifter to the lower position.
4.
Disconnect the belt tension sensor connector (passenger side only).
5.
Remove the center pillar upper and lower garnish. Refer to
EI-38, "Component Parts Location"
.
6.
Disconnect the seat belt pre-tensioner connector.
CAUTION:
• For installing/removing seat belt pre-tensioner connector,
insert thin screwdriver wrapped in tape into notch, lift lock
and remove connector.
• Install connector with lock raised, and push lock into connec-
tor.
7.
Remove the seat belt pre-tensioner retractor fixing screw and anchor bolt, and then remove the seat belt
retractor.
INSTALLATION OF FRONT SEAT BELT RETRACTOR
CAUTION:
Before servicing SRS, turn the ignition switch OFF, disconnect both battery cables and wait at least 3
minutes.
Install in the reverse order of removal.
REMOVAL OF FRONT SEAT BELT BUCKLE
1.
Remove the front seat. Refer to
SE-89, "Removal and Installation"
2.
Disconnect the buckle switch connector.
3.
Remove the anchor bolt, and remove the buckle.
INSTALLATION OF FRONT SEAT BELT BUCKLE
Install in the reverse order of removal.
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SEAT BELTS
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Removal and Installation of Rear Seat Belt
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REMOVAL OF REAR SEAT BELT RETRACTOR
1.
Remove the rear seat. Refer to
SE-95, "Removal and Installation"
.
2.
Remove the rear wheel house finisher assembly and luggage side finisher assembly. Refer to
3.
Remove the center seat retractor cover.
4.
Remove the roof rear garnish assembly. Refer to
EI-45, "Component Parts Location"
5.
Remove the outer and inner anchor bolts.
1.
Center seat belt retractor
2.
Anchor bolt
3.
Retaining washer
4.
Bolt
5.
Seat belt adjuster
6.
Retaining washer
7.
Spacer
8.
Adjuster cover
9.
Through-anchor
10. Anchor bolt
11.
Outer side seat belt retractor
12. Anchor bolt
13. Anchor bolt
14. Outer anchor
15. Spacer
16. Fiber washer
17. Inner anchor (upper)
18. Inner anchor (lower)
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