Page 3737 of 4801

SB-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009951757
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inopera tive, 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 NISS AN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
Precaution for Seat Belt ServiceINFOID:0000000009462957
CAUTION:
• Before removing the seat belt pre-tensioner assembl y, turn the ignition switch OFF, disconnect both
battery terminals and wait at least three minutes. For approximately three minutes after the battery
terminals have been removed, it is still possible for the air bag and seat belt pre-tensioner to deploy.
Therefore, do not attempt work on any SRS conn ectors or wires until at least three minutes have
passed.
• After replacing or reinstalling seat belt pre -tensioner assembly or reconnecting seat belt pre-ten-
sioner assembly connector, make sure entire SRS operates properly. Refer to SRC-15, "SRS Opera-
tion Check".
• Do not disassemble buckle or seat belt assembly.
• Replace anchor bolts if th ey are deformed or worn out.
• Do not oil tongue or buckle.
• If any component of seat belt assembly is questionable, do not re pair. 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.
Precaution for WorkINFOID:0000000009462958
• When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth.
• When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a shop cloth or vinyl tape to protect it.
• Protect the removed parts with a s hop cloth and prevent them from being dropped.
• Replace a deformed or damaged clip.
• If a part is specified as a non-reusable part, always replace it with a new one.
• Be sure to tighten bolts and nuts securely to the specified torque.
• After installation is complete, be sure to check that each part works properly.
Revision: November 20132014 Altima NAM
Page 3738 of 4801
PRECAUTIONSSB-3
< PRECAUTION >
C
D E
F
G
I
J
K L
M A
B
SB
N
O P
• Follow the steps below to clean components:
- Water soluble dirt:
• Dip a soft cloth into lukewarm water, wring the water out of the cloth and wipe the dirty area.
• Then rub with a soft, dry cloth.
-Oily dirt:
• Dip a soft cloth into lukewarm water with mild detergent (concentration: within 2 to 3%) and wipe the dirty
area.
• Then dip a cloth into fresh water, wring the water out of the cloth and wipe the detergent off.
• Then rub with a soft, dry cloth.
- Do not use organic solvent such as thinner, benzene, alcohol or gasoline.
- For genuine leather seats, use a genuine leather seat cleaner.
Revision: November 20132014 Altima NAM
Page 3739 of 4801
SB-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000009462959
The actual shapes of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name Description
—
(J-46534)
Trim Tool Set Removing trim components
AWJIA0483ZZ
Revision: November 20132014 Altima NAM
Page 3740 of 4801

COMPONENT INSPECTIONSB-5
< BASIC INSPECTION >
C
D E
F
G
I
J
K L
M A
B
SB
N
O P
BASIC INSPECTION
COMPONENT INSPECTION
InspectionINFOID:0000000009462960
AFTER A COLLISION
WARNING:
Inspect all seat belt assemblies in cluding retractors and attaching 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 th e belts show no damage and continue to operate properly. Fail-
ure to do so could result in serious personal inju ry in an accident. Seat belt assemblies not in use dur-
ing a collision should also be replaced if either da mage 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 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, 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-tensioner should be replaced even if t he seat belts are not in use during the collision in
which the air bags are deployed.
PRELIMINARY CHECKS
1. Check the seat belt warning lamp for proper operation per the following:
a. Turn ignition switch ON. The seat belt warning lamp should illuminate.
b. Fasten driver seat belt. The seat belt warning lamp should turn OFF.
2. If the air bag warning lamp is blinking, perform self-diagnosis with CONSULT and air bag warning lamp. Refer to SRC-17, "Trouble Diagnosis without CONSULT"
.
3. Check that the seat belt retractor, seat belt anchor and buckle bolts are tightened firmly.
4. 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.
5. Check retractor operation:
a. Fully extend the seat belt webbing and check for twists, tears or other damage.
b. Allow the seat belt to retract. Check that webbing retu rns smoothly and completely into the retractor. If the
seat belt does not return smoothly, wipe the inside of t he loops with a clean paper cloth. Dirt build-up in the
loops of the upper anchors can cause t he seat belts to retract slowly.
c. Fasten the seat belt. Check that seat belt returns sm oothly and completely to the retractor. If the webbing
does not return smoothly, the cause may be an accu mulation of dust or dirt. Use the “SEAT BELT TAPE
SET” and perform the following steps.
d. Inspect the front seat belt D-ring anchor 1. Pull the seat belt out to a length of 500 mm (19.69 in) or more.
2. Hold the seat belt at the center pillar webbing opening with a clip or other device.
3. Pass a thin wire through the D-ring 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.
4. Any dirt that cannot be removed with the wire can be removed by cleaning the opening with a clean
cloth.
5. Apply tape at the point where the webbing contacts the D-ring anchor webbing opening. NOTE:
Apply the tape so that there is no slack or wrinkling.
6. Remove the clip holding the seat belt and check that the webbing returns smoothly.
6. Repeat steps above if necessary to check the other seat belts.
Revision: November 20132014 Altima NAM
Page 3741 of 4801

SB-6
< BASIC INSPECTION >
COMPONENT INSPECTION
SEAT BELT RETRACTOR ON-VEHICLE CHECK
Emergency Locking Retractors (ELR) and Automatic Locking Retractors (ALR)
NOTE:
All seat belt retractors are Emergency Locking Retr actors (ELR) type. In an emergency (sudden stop) the
retractor will lock and prevent the webbing from extendi ng any further. All 3-point type seat belt retractors
except the driver seat belt also have an Automati c 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 part ially, 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. T he retractor should lock and prevent the belt from
extending further.
ALR Function Stationary Check
1. Pull out the entire length of seat belt from retractor until a click is heard.
2. Retract the webbing partially. A clicking noise shoul d be heard as the webbing retracts, indicating that the
retractor is in the Automatic Locking Retractors (ALR) mode.
3. 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.
4. Allow the entire length of the webbing to re tract to cancel the automatic locking mode.
ELR Function Moving Check
WARNING:
Perform the following test in a saf e, open area clear of other vehicles and obstructions (for example, a
large, empty parking lot). Road surface must be p aved and dry. Never perform the following test on
wet or gravel roads or on public streets and highw ays. 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.
1. Fasten driver seat belt. Buckle a passenger in to the seat for the belt that is to be tested.
2. Proceed to the designated safe area.
3. 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 O FF-VEHICLE CHECK (PILLAR)
1. Remove the seat belt retractor.
• Remove the front seat belt assembly, refer to SB-8, "Removal and Installation"
.
2. Slowly pull out webbing while tilting the retracto r assembly forward from the mounted position without
twisting the retractor assembly as shown in the illustration.
A : The webbing can be pulled out in case the retractor is tilted
15 ° degree or less.
B : The webbing can not be pulled out if the retractor is tilted 35 °
degrees or more.
• A and B show tilting angles.
: Front
Replace the seat belt assembly if it does not operate within specifications.
PHIA0954J
Revision: November 20132014 Altima NAM
Page 3742 of 4801
COMPONENT INSPECTIONSB-7
< BASIC INSPECTION >
C
D E
F
G
I
J
K L
M A
B
SB
N
O P
SEAT BELT RETRACTOR OFF-VEHICLE CHECK (REAR PARCEL SHELF)
1. Remove the seat belt retractor. • Remove the rear seat belt assembly, refer to SB-11, "Removal and Installation"
.
2. Slowly pull out webbing while tilting the retracto r assembly forward from the mounted position without
twisting the retractor assembly as shown in the illustration.
A : The webbing can be pulled out in case the retractor is tilted
15 ° degree or less.
B : The webbing can not be pulled out if the retractor is tilted 35 °
degrees or more.
• A and B show tilting angles.
: Front
Replace the seat belt assembly if it does not operate within specifications.
PHIA0962J
Revision: November 20132014 Altima NAM
Page 3743 of 4801
SB-8
< REMOVAL AND INSTALLATION >
FRONT SEAT BELT
REMOVAL AND INSTALLATION
FRONT SEAT BELT
Exploded ViewINFOID:0000000009462961
Removal and InstallationINFOID:0000000009462962
SEAT BELT RETRACTOR
Removal
CAUTION:
Before servicing SRS, turn the igni tion switch off, disconnect both battery terminals and wait at least
three minutes.
1. Slide front seat to full forward position.
1. D-ring anchor 2. Seat belt height adjuster cover 3. Seat belt buckle
4. Seat belt retractor 5. Seat belt height adjuster A. Lap belt pre-tensioner harness connector
B. Shoulder belt pre-tensioner harness connector Front
ALHIA0279ZZ
Revision: November 20132014 Altima NAM
Page 3744 of 4801

FRONT SEAT BELTSB-9
< REMOVAL AND INSTALLATION >
C
D E
F
G
I
J
K L
M A
B
SB
N
O P
2. Disconnect both negative and positive battery terminals, then wait at least three minutes. Refer to PG-73,
"Removal and Installation (Battery)".
3. Remove center pillar lower finisher. Refer to INT-23, "CENTER PILLAR LOWER FINISHER : Removal
and Installation".
4. Release the floor trim hold downs (1) and pull floor trim back. : Front
NOTE:
Driver side shown with seat removed for clarity; passenger side
similar.
5. Disconnect the harness connector (A ) from the lap belt pre-ten-
sioner.
CAUTION:
• For removing lap belt pre-tensioner harness connector, insert a thin screwdriver wrappe d with tape into the notch.
Lift the locking tab to un lock, then remove connector.
• Install the lap belt pre-tensioner connector with the lock- ing tab raised, then push the locking tab into the connector.
6. Remove the lap belt pre-tensioner anchor bolt (B).
7. Remove the seat belt height adjuster cover, then remove D-ring anchor bolt.
8. Disconnect the harness connector from the shoulder belt pre-tensioner. CAUTION:
• For removing shoulder belt pre-tensioner harness con- nector, insert a thin screwdriver (1) wrapped with tape (3)
into the notch. Lift the lo cking tab to unlock (2), then
remove connector.
• Install the shoulder belt pr e-tensioner connector with the
locking tab raised, then push the locking tab into the con-
nector (4).
9. Remove seat belt retractor anchor bolt and upper bolt, then remove the seat belt retractor.
Installation
Installation is in the reverse order of removal.
• Install the seat belt retractor upper bolt first.
• Make sure the seat belt height adjuster is lock ed in the lowest position during installation.
• Make sure both the D-ring anchor and seat belt height adjuster operate freely.
• Always perform an inspection after repair to be sure t he system is functioning within specifications. Refer to
SB-5, "Inspection"
.
SEAT BELT HEIGHT ADJUSTER
Removal
1. Remove the center pillar upper finisher. Refer to INT-24, "CENTER PILLAR UPPER FINISHER : Removal
and Installation".
2. Remove the D-ring anchor bolt.
3. Remove the seat belt height adjuster bolts and the seat belt height adjuster.
Installation
Installation is in the reverse order of removal.
• Make sure that the seat belt height adjuster is locked in the lowest position during installation.
• Make sure both the D-ring anchor and seat belt height adjuster operate freely.
SEAT BELT BUCKLE
Removal
1. Remove the front seat. Refer to SE-26, "DRIVER SIDE : Removal and Installation - Seat Assembly".
ALHIA0281ZZ
WHIA0279E
Revision: November 20132014 Altima NAM