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SEAT BELTS


H RESTRAINTS

                                                                                                                                                              A


                                                                                                                                                              B
                                                                                                SECTION
                                                                                                                     SEAT BELTS                               C


                                                                                                                                                              D


                                                                                                                                                              E
                                                               CONTENTS
PRECAUTIONS ......................................................... 2
                                                                     .            INSTALLATION .................................................... 4
                                                                                                                                                    .         F
 Precautions for Supplemental Restraint System                                  Seat Belt Inspection ................................................. 5
                                                                                                                                                    .
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                          AFTER A COLLISION .......................................... 5    .
 SIONER" ................................................................. 2
                                                                     .            PRELIMINARY CHECKS ..................................... 5        .         G
 Precaution for Seat Belt Service ............................. 2    .            SEAT BELT RETRACTOR ON-VEHICLE
   AFTER A COLLISION .......................................... 2    .            CHECK ................................................................. 6
                                                                                                                                                    .
SEAT BELTS ............................................................. 3
                                                                     .            SEAT BELT RETRACTOR OFF-VEHICLE
                                                                                                                                                              SB
 Removal and Installation of Front Seat Belt ............ 3          .            CHECK ................................................................. 6
                                                                                                                                                    .
   REMOVAL OF SEAT BELT RETRACTOR ........... 3                      .         LATCH (LOWER ANCHORS AND TETHER FOR
   INSTALLATION OF SEAT BELT RETRACTOR..... 3                                  CHILDREN) SYSTEM ................................................ 8  .
   REMOVAL OF SEAT BELT BUCKLE ................... 4                 .          Removal and Installation ......................................... 8.          I
   INSTALLATION OF SEAT BELT BUCKLE ........... 4                    .            REMOVAL ............................................................ 8
                                                                                                                                                    .
 Removal and Installation of Rear Seat Belt ............ 4           .            INSTALLATION .................................................... 8
                                                                                                                                                    .
   REMOVAL ............................................................ 4
                                                                     .         TOP TETHER STRAP CHILD RESTRAINT .............. 9                    .          J
                                                                                Removal and Installation ......................................... 9.
                                                                                  REMOVAL ............................................................ 9
                                                                                                                                                    .
                                                                                  INSTALLATION .................................................... 9
                                                                                                                                                    .
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Revision; 2004 April                                                     SB-1                                                                2003 Q45
                                              PRECAUTIONS

PRECAUTIONS                                                         PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           EHS000M7


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 SRS and SB section of this Service Man-
ual.
WARNING:
q    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 per-
     formed by an authorized NISSAN/INFINITI dealer.
q    Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
     sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
     Bag Module, see the SRS section.
q    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
     harness connectors.
Precaution for Seat Belt Service                                                                              EHS00084


CAUTION:
q  Before removing the seat belt pre-tensioner assembly, turn the ignition switch off, disconnect the
   both battery cables and wait at least 3 minutes.
q  Do not use electrical test equipment for seat belt pre-tensioner connector.
q  After replacing or reinstalling seat belt pre-tensioner assembly, or reconnecting seat belt pre-ten-
   sioner connector, check the system function. Refer to SRS-20, "SRS Operation Check" .
q  Do not use disassemble buckle or seat belt assembly.
q  Replace anchor bolts if they are deformed or worn out.
q  Never oil tongue and buckle.
q  If any component of seat belt assembly is questionable, do not repair. Replace the whole seat belt
   assembly.
q  If webbing is cut, frayed, or damaged, replace seat belt assembly.
q  When replacing seat belt assembly, use a genuine seat belt assembly.
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:
q    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).
q    The seat belt was damaged in an accident. (i.e. torn webbing, bent retractor or guide, etc.)
q    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.
q    Anchor bolts are deformed or worn out.
q    The 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.


Revision; 2004 April                                  SB-2                                                2003 Q45
                                               SEAT BELTS

SEAT BELTS                                                                                  PFP:86884
                                                                                                             A
Removal and Installation of Front Seat Belt                                                       EHS00085




                                                                                                             B



                                                                                                             C


                                                                                                             D


                                                                                                             E



                                                                                                             F



                                                                                           SHIA0165E
                                                                                                             G
CAUTION:
Before servicing SRS, turn the ignition switch off, disconnect both battery cables and wait at least 3
minutes.                                                                                               SB

REMOVAL OF SEAT BELT RETRACTOR
1.   Remove the adjuster cover on the seat belt anchor.
                                                                                                             I
     NOTE:
     Insert a screwdriver wound with cloth into the slot of the release
     button to disengage the tab and remove the release button.
                                                                                                             J
2.   Remove the anchor bolts.
3.   Remove the outer anchor cover, and remove the anchor bolts.
4.   Remove the center pillar upper/lower garnish. Refer to EI-37,                                           K
     "Removal and Installation" .

                                                                                              SHIA0166E
                                                                                                             L
5.   Remove the seat belt pre-tensioner connector.
6.   Remove the seat belt pre-tensioner retractor fixing screw and
     anchor bolt, and then remove the seat belt retractor.                                                   M




                                                                                              SHIA0167E




INSTALLATION OF SEAT BELT RETRACTOR
To install, reverse the removal procedure sequence.




Revision; 2004 April                                 SB-3                                  2003 Q45
                                              SEAT BELTS

REMOVAL OF SEAT BELT BUCKLE
1.   Remove the front seat. Refer to SE-188, "Removal and Installation" .
2.   Remove the screw, and remove the seat cushion inner finisher.
3.   Remove the anchor bolt, and remove the buckle.




                                                                                                     SHIA0168E


INSTALLATION OF SEAT BELT BUCKLE
To install, reverse the removal procedure sequence.

Removal and Installation of Rear Seat Belt                                                              EHS00086




                                                                                                 SHIA0169E




REMOVAL
1.   Remove the rear seat. Refer to SE-197, "Removal and Installation" .
2.   Remove the rear pillar finisher. Refer to EI-37, "Removal and Installation" .
3.   Remove the outer anchor and floor anchor bolt.
4.   Remove the rear parcel shelf finisher. Refer to EI-39, "Removal and Installation" .
5.   Remove seat belt retractor mounting screw and anchor bolt, and remove the seat belt assembly.

INSTALLATION
To install, reverse the removal procedure sequence.




Revision; 2004 April                               SB-4                                          2003 Q45
                                               SEAT BELTS

Seat Belt Inspection                                                                                         EHS00087

AFTER A COLLISION                                                                                                       A
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-                   B
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-tensioned
                                                                                                                        C
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:
q    The seat belt was in use at the time of a collision (except for minor collisions and the belts, retractors and     D
     buckles show no damage and continue to operate properly).
q    The seat belt was damaged in an accident. (i.e. torn webbing, bent retractor or guide, etc.)
q    The seat belt attaching point was damaged in an accident. Inspect the seat belt attaching area for damage          E
     or distortion and repair as necessary before installing a new seat belt assembly.
q    Anchor bolts are deformed or worn out.
q    The seat belt pre-tensioner should be replaced even if the seat belts are not in use during the collision in       F
     which the air bags are deployed.

PRELIMINARY CHECKS                                                                                                      G
1.   Check the seat belt warning lamp/chime for proper operation as follows:
a.   Switch ignition ON. The seat belt warning lamp should illuminate. Also, the seat belt warning chime should
     sound for about seven seconds.                                                                              SB
b.   Fasten driver's seat belt. The seat belt warning lamp should go out and the chime (if sounding) should
     stop.
                                                                                                                  I
2.   If the air bag warning lamp is blinking, conduct self-diagnosis using CONSULT-II, and air bag warning
     lamp. Refer to SRS-20, "SRS Operation Check" .
3.   Check that the seat belt retractor, seat belt anchor and buckle bolts are securely attached.
                                                                                                                  J
4.   Check the shoulder seat belt guide and shoulder belt height adjuster for front seats. Ensure guide swivels
     freely and that webbing lays flat and does not bind in guide. Ensure height adjuster operates properly and
     holds securely.
5.   Check retractor operation:                                                                                   K
a.   Fully extend the seat belt webbing and check for twists, tears or other damage.
b.   Allow the seat belt to retract. Ensure 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. Because dirt L
     built up in the loops of the upper anchors can cause the seat belts to retract slowly.
c.   Fasten the seat belt. Check the 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 M
     SET" and perform the following steps.
     Inspect the front seat belt though-anchor
     1. Pull the seat belt out to a length of 500mm(19.69in) over more.
     2. Use a clip or other device to the fix the seat belt at the center pillar webbing oping.
     3. Pass a thin wire though the though -anchor webbing opening. Hold both ends of the wire and pull taut
        while moving it up and down several times along the webbing opening surface to move matter stuck
        there.
     4. any dirt that can not 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 though-anchor webbing opening.
        NOTE:
        Apply the tape so that there is no looseness or wrinkling.
     6. Remove the clip fixing the seat belt and check that the webbing returns smoothly.
6.   Repeat steps above as necessary to check the other seat belts.


Revision; 2004 April                                 SB-5                                               2003 Q45
                                               SEAT BELTS

SEAT BELT RETRACTOR ON-VEHICLE CHECK
Emergency Locking Retractors (ELR) and Automatic Locking Retractors (ALR)
NOTE:
All seat belt retractors are of the 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's 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 using 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
1.   Pull out entire length of seat belt from retractor until a click is heard.
2.   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.
3.   Grasp the seat belt and try to pull out the retractor. The webbing must lock and not extend any further. If
     NG, replace the retractor assembly.
4.   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. DO NOT 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 the
retractor does not lock.
1. Fasten driver's seat belt. Buckle a passenger into 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 the retractor does not
    lock, apply brakes firmly and make a very hard stop.
During stop, seat belts should lock and not be extended. If the seat belt retractor assembly does not lock, per-
form the retractor off-vehicle check.

SEAT BELT RETRACTOR OFF-VEHICLE CHECK
1.   Remove the seat belt retractor assembly.
2.   Slowly pull out webbing while tilting the retractor assembly forward from the mounted position without
     twisting the retractor assembly as shown in the illustration.




Revision; 2004 April                                 SB-6                                               2003 Q45
                                             SEAT BELTS


                                                                                          A


                                                                                          B



                                                                                          C


                                                                                          D


                                                                                          E



                                                                                          F
                                                                               SRS404-A

        15 degrees or less tilt    : Webbing can be pulled out.
        35 degrees or more tilt    : Webbing locks and cannot be pulled out.              G
    If NG, replace the retractor assembly.
                                                                                          SB



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Revision; 2004 April                             SB-7                          2003 Q45
        LATCH (LOWER ANCHORS AND TETHER FOR CHILDREN) SYSTEM

LATCH (LOWER ANCHORS AND TETHER FOR CHILDREN) SYSTEM                 PFP:75466

Removal and Installation                                                 EHS00088


CAUTION:
Replace anchor bolts if they are deformed or worn out.
REMOVAL
1.   Remove the rear seat. Refer to SE-197, "Removal and Installa-
     tion" .
2.   Remove rear seat frame (Models with rear power seat).
3.   Remove LATCH (Lower Anchor and Tether for Children) system.




                                                                      SHIA0163E


INSTALLATION
To install, reverse the removal procedure sequence.




Revision; 2004 April                             SB-8                2003 Q45
                           TOP TETHER STRAP CHILD RESTRAINT

TOP TETHER STRAP CHILD RESTRAINT                                          PFP:88000
                                                                                         A
Removal and Installation                                                      EHS00089


CAUTION:
Replace anchor bolts if they are deformed or worn out.                                   B
REMOVAL
1.   Remove the top tether strap child restraint cover. Refer to EI-39,
     "Removal and Installation" .                                                        C
2.   Remove the top tether strap child restraint.

                                                                                         D


                                                                                         E


                                                                           SHIA0164E
                                                                                         F
INSTALLATION
To install, reverse the removal procedure sequence.
                                                                                         G


                                                                                         SB



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Revision; 2004 April                                 SB-9                 2003 Q45
                       TOP TETHER STRAP CHILD RESTRAINT




Revision; 2004 April                SB-10                 2003 Q45



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