Nissan GT-R. Manual - part 257

PRECAUTIONS

SB-3

< PRECAUTION >

Perform the necessary repair operation.

When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the ignition switch from ACC position to ON position, then to LOCK position. (The steering wheel will lock
when the ignition switch is turned to LOCK position.)

Perform self-diagnosis check of all control units using CONSULT.

Precaution for Battery Service

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Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.

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 battery negative terminal and wait at 3 minutes or more.

• Never 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

SRC-8, "Diagnosis Description"

• Never use disassembled 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, never repair. Replace the entire 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.

AFTER A COLLISION

WARNING:

Inspect all seat belt assemblies including retractors and attached 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-tensioners
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 is in use at the time of a collision (except for minor collisions and the belts, retractors and buck-

les show no damage and continue to operate properly).

• The seat belt is damaged in an accident (i.e. torn webbing, bent retractor or guide).
• The seat belt attaching point is 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 must be replaced even if the seat belts are not in use during the collision in

which the air bags are deployed.

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< REMOVAL AND INSTALLATION >

FRONT SEAT BELT

REMOVAL AND INSTALLATION

FRONT SEAT BELT

SEAT BELT RETRACTOR

SEAT BELT RETRACTOR : Inspection

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AFTER A COLLISION

WARNING:

Inspect all seat belt assemblies including retractors and attached hardware after any collision.
NISSAN/INFINITI recommends that all seat belt assemblies in use during a collision be replaced
unless the collision was minor and the belts show no damage and continue to operate properly. If not
to do so could result in serious personal injury in an accident. Seat belt assemblies not in use during
a collision should also be replaced if either damage or improper operation was noted. Seat belt pre-
tensioners should be replaced even if the seat belts were not in use during a frontal collision in which
the air bags were deployed.
Replace any seat belt assembly (including anchor bolts) if:
• The seat belt is in use at the time of a collision (except for minor collisions and the belts, retractors and buck-

les show no damage and continue to operate properly).

• The seat belt is damaged in an accident (i.e. torn webbing, bent retractor or guide, etc.).
• The seat belt attaching point is damaged in an accident. Inspect the seat belt attaching area for damage or

distortion and repair if necessary before installing a new seat belt assembly.

• Anchor bolts are deformed or worn out.
• The seat belt pre-tensioners must be replaced even if the seat belts were not in use during the collision in

which the air bags were deployed.

PRELIMINARY CHECKS

Check the seat belt warning lamp for proper operation as per the following:

Turn ignition switch ON. The seat belt warning lamp should illuminate.

Fasten driver seat belt. The seat belt warning lamp should turn OFF.

If the air bag warning lamp is blinking, perform self-diagnosis with CONSULT and air bag warning lamp.
Refer to

SRC-8, "Diagnosis Description"

Check that the seat belt retractor, seat belt anchor and buckle bolts are tightened firmly.

Check the shoulder seat belt guide and shoulder belt height adjuster for front seats. Check that guide
swivels freely and that webbing lays flat and does not bind in guide. Check that height adjuster operates
properly and holds securely.

Check retractor operation:

Fully extend the seat belt webbing and check for twists, tears or other damage.

Allow the seat belt to retract. Check that webbing returns smoothly and completely into the retractor. If the
seat belt does not return smoothly, wipe the inside of the loops with a clean paper cloth. Dirt build-up in the
loops of the upper anchors can cause the seat belts to retract slowly.

Fasten the seat belt. Check that seat belt returns smoothly and completely to the retractor. If the webbing
does not return smoothly, the cause may be an accumulation of dust or dirt. Use the “SEAT BELT TAPE
SET” and perform the following steps.

Inspect the front seat belt through-anchor

Pull the seat belt out to a length of 500 mm (19.69 in) or more.

Fix the seat belt at the center pillar webbing opening with a clip or other device.

Pass a thin wire through the through-anchor webbing opening. Hold both ends of the wire and pull it
tightly while moving it up and down several times along the webbing opening surface to remove dirt
stuck there.

Any dirt that cannot be removed with the wire can be removed by cleaning the opening with a clean
cloth.

Apply tape at the point where the webbing contacts the through-anchor webbing opening.
NOTE:
Apply the tape so that there is no slack or wrinkling.

Remove the clip fixing the seat belt and check that the webbing returns smoothly.

Repeat steps above if necessary to check the other seat belts.

FRONT SEAT BELT

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< REMOVAL AND INSTALLATION >

SEAT BELT RETRACTOR ON-VEHICLE CHECK

Emergency Locking Retractors (ELR) and Automatic Locking Retractors (ALR)

NOTE:
All seat belt retractors are Emergency Locking Retractors (ELR) type. In an emergency (sudden stop) the
retractor will lock and prevent the webbing from extending any further. All 3-point type seat belt retractors
except the driver seat belt also have an Automatic Locking Retractors (ALR) mode. The ALR mode (also
called child restraint mode) is used when installing child seats. The ALR mode is activated when the seat belt
is fully extended. When the webbing is then retracted partially, the ALR mode automatically locks the seat belt
in a specific position so the webbing cannot be extended any further. To cancel the ALR mode, allow the seat
belt to fully wind back into the retractor.
Check the seat belt retractors with the following test(s) to determine if a retractor assembly is operating prop-
erly.

ELR Function Stationary Check

Grasp the shoulder webbing and pull forward quickly. The retractor should lock and prevent the belt from
extending further.

ALR Function Stationary Check

Pull out the entire length of seat belt from retractor until a click is heard.

Retract the webbing partially. A clicking noise should be heard as the webbing retracts indicating that the
retractor is in the Automatic Locking Retractors (ALR) mode.

Grasp the seat belt and try to pull out the retractor. The webbing must lock and not extend any further. If it
does not operate normally, replace the retractor assembly.

Allow the entire length of the webbing to retract to cancel the automatic locking mode.

ELR Function Moving Check

WARNING:

Perform the following test in a safe, open area clear of other vehicles and obstructions (for example, a
large, empty parking lot). Road surface must be paved and dry. Never perform the following test on
wet or gravel roads or on public streets and highways. This could result in an accident and serious
personal injury. The driver and passenger must be prepared to brace themselves in the event that the
retractor does not lock.

Fasten driver seat belt. Buckle a passenger into the seat for the belt that is to be tested.

Proceed to the designated safe area.

Drive the vehicle at approximately 16 km/h (10 MPH). Notify any passengers of a pending sudden stop
and the driver and passenger must be prepared to brace themselves in the event that the retractor does
not lock. Apply brakes firmly and make a very hard stop.

During stopping, seat belts should lock and not be extended. If the seat belt retractor assembly does not lock,
perform the retractor off-vehicle check.

SEAT BELT RETRACTOR OFF-VEHICLE CHECK

Remove the front seat belt retractor. Refer to

SB-6, "SEAT BELT RETRACTOR : Removal and Installa-

tion"

Slowly pull out webbing while tilting the retractor assembly forward from the mounted position without
twisting the retractor assembly as shown in the figure.
• The webbing can be pulled out when the angle (A) is 15

degrees or less.

• The webbing cannot be pulled out when the angle (B) is 27

degrees or more.

Replace the seat belt assembly if it does not operate normally.

A and B

: Tilting angles

: Vehicle front

PHIA0954J

SB-6

< REMOVAL AND INSTALLATION >

FRONT SEAT BELT

SEAT BELT RETRACTOR : Exploded View

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SEAT BELT RETRACTOR : Removal and Installation

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REMOVAL

CAUTION:

Before removal or installation, always turn the ignition switch OFF and disconnect the battery nega-
tive terminal, then wait for at 3 minutes or more.

Remove the kicking plate inner and the rear side finisher. Refer to

INT-15, "Removal and Installation"

Remove the outer anchor.
• Remove the outer anchor cover.
• Remove the outer anchor mounting anchor bolt.

Remove the shoulder anchor.
• Remove the shoulder anchor cover.
• Remove the shoulder anchor mounting anchor bolt.

Remove the rear pillar finisher. Refer to

INT-15, "Removal and Installation"

Remove the seat belt pre-tensioner retractor.

Anchor bolt

Seat belt pre-tensioner retractor

Seat belt pre-tensioner connector

Plastic washer

Shoulder anchor