SEAT BELT - Z
Contents
1. 7 Seat belt buckle RH 8 Inner anchor 9 Seat belt buckle LH 10 Center seat belt buckle Refer to Gl 4 Components for symbols in the figure SEAT BELT RETRACTOR Removal and Installation INFOID 0000000006081221 REMOVAL 1 Remove the outer and inner anchors 1 Remove the seat cushion and seatback Refer to SE 117 Removal and Installation 2 Remove mounting anchor bolts of outer anchor and inner anchor 2 Remove the seat belt retractor 1 Remove the rear pillar finisher LH RH Refer to INT 42 REAR PILLAR FINISHER Removal and Installation 2 Remove the rear parcel shelf finisher Refer to INT 43 Removal and Installation 3 Remove the seat belt retractor mounting anchor bolt INSTALLATION Install in the reverse order of removal SEAT BELT BUCKLE SEAT BELT BUCKLE Inspection INFOID 0000000006055536 AFTER A COLLISION Revision 2010 June SB 12 2011 M37 M56 REAR SEAT BELT lt REMOVAL AND INSTALLATION gt 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 Fail ure to do so could result in serious personal injury in an accident Seat belt assemblies not in use dur ing a collision should also be replaced if either damage or improper operation was not2. 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 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 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 an accident i e torn webbing bent retractor or guide The seat belt attaching point was damaged an accident Inspect the seat belt attaching area for damage or distortion and repair as necessary before instal
3. 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 Fail ure to do so could result in serious personal injury in an accident Seat belt assemblies not in use dur ing 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 1 Check that the seat belt retractor seat belt anchor and buckle bolts are
4. M56 REAR SEAT BELT lt REMOVAL AND INSTALLATION gt 10 Center seat belt buckle Refer to Gl 4 Components for symbols in the figure SEAT BELT BUCKLE Removal and Installation INFOID 0000000006081222 REMOVAL 1 Remove the rear seat cushion Refer to SE 117 Removal and Installation 2 Remove the seat belt buckle mounting anchor bolt INSTALLATION Install in the reverse order of removal Revision 2010 June SB 14 2011 M37 M56
5. RESTRAINTS SECTION S B SEAT BELT CONTENTS PRECAUTION SEAT BELT BUCKLE ennnen 7 SEAT BELT BUCKLE Inspection 7 PRECAUTIONG SEAT BELT BUCKLE Exploded View 8 Precaution for Supplemental Restraint System SEAT BELT BUCKLE Removal and Installation 8 SRS AIR BAG and SEAT BELT PRE TEN SIC a a dice ae REAR SEAT oe SEAT BELT RETRACTOR levee SEAT BELT RETRACTOR Inspection SW ge ee eee had SEAT BELT RETRACTOR Exploded View 12 REMOVAL AND INSTALLATION SEAT BELT RETRACTOR Removal and Instal 12 SEAT BELT BUCKLE 12 SEAT BELT RETRACTOR SEAT BELT BUCKLE Inspection 12 SEAT BELT RETRACTOR Inspection SEAT BELT BUCKLE Exploded View 13 SEAT BELT RETRACTOR Exploded View SEAT BELT BUCKLE Removal and Installation 14 SEAT BELT RETRACTOR Removal and Instal latio Se OR i eee ease ae Revision 2010 June SB 1 2011 M37 M56 PRECAUTIONS lt PRECAUTION gt PRECAUTION PRECAUTIONS Precaut
6. bly 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 ELR Function Moving Check WARNING Perform the following test in 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 1 Fasten driver 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 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 SB perform the retractor off vehicle check SEAT BELT RETRACTOR OFF VEHICLE CHECK 1 Remove the front seat belt retractor Refer to SB 6 SEAT BELT RETRACTOR Removal and Installa tion 2 Slowly pull out webbing while tilting the retractor assembly forward from the mounted position without tw
7. e 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 1 Pull out the 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 Revision 2010 June SB 10 2011 M37 M56 REAR SEAT BELT lt REMOVAL AND INSTALLATION gt 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 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 1 Fasten driver
8. e the seat belts to retract slowly c 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 1 Pull the seat belt out to a length of 500 mm 19 69 in or more 2 Fix the seat belt at the center pillar webbing opening with a clip or other device 3 Pass 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 4 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 through anchor webbing opening NOTE Apply the tape so that there is no slack or wrinkling 6 Remove the clip fixing the seat belt and check that the webbing returns smoothly 6 Repeat steps above if necessary to check the other seat belts Revision 2010 June SB 4 2011 M37 M56 FRONT SEAT BELT lt REMOVAL AND INSTALLATION gt SEAT BELT RETRACTOR ON VEHICLE CHECK Emergency Locking Retractors ELR NOTE Front seat belt retractors are Emergency Locking Retractors ELR type Check the seat belt retractors with the following test s to determine if a retractor assem
9. ed 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 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 distortion and repair if necessary before installing a new seat belt assembly Anchor bolts are deformed or worn out The seat belt pre tensioner must be replaced even if the seat belts were in use during the collision in which the air bags are deployed PRELIMINARY CHECKS 1 Check that the seat belt retractor seat belt anchor and buckle bolts are tightened firmly 2 Repeat step above if necessary to check the other seat belts SEAT BELT BUCKLE Exploded View INFOID 0000000006081219 SEC 869 9 0 49 0 5 0 36 2 49 0 5 0 8 i 49 0 5 0 36 154568 1 Anchor bolt 2 Outer anchor 3 Retaining washer 4 Seat belt retractor LH 5 Center seat belt retractor 6 Seat belt retractor RH 7 Seat belt buckle RH 8 Inner anchor 9 Seat belt buckle LH Revision 2010 June SB 13 2011 M37
10. efer to INT 38 KICKING PLATE INNER Removal and Installation 2 Remove the center pillar lower garnish Refer to INT 40 CENTER PILLAR LOWER GARNISH Removal and Installation 3 Remove the center pillar upper garnish Refer to INT 40 CENTER PILLAR UPPER GARNISH Removal and Installation 4 Remove the mounting anchor nut of the shoulder anchor 3 Remove seat belt pre tensioner retractor 1 Disconnect the pre crash seat belt connector 2 Disconnect the seat belt pre tensioner connector CAUTION For installing removing seat belt pre tensioner con nector insert thin screwdriver wrapped in tape into notch lift lock and remove connector Install connector with lock raised and push lock into connector After installing the connector check that the lock is t 4 pushed securely into it PHIA0953J 3 Remove the mounting bolt and mounting anchor bolt of the seat belt pre tensioner retractor 4 Remove the seat belt adjuster Remove the mounting anchor bolts of the seat belt adjuster INSTALLATION Install in the reverse order of removal SEAT BELT BUCKLE SEAT BELT BUCKLE Inspection INFOID 0000000006055530 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 co
11. epair operation OPERATION PROCEDURE 1 Connect both battery cables NOTE Supply power using jumper cables if battery is discharged 2 Turn the push button ignition switch to ACC position At this time the steering lock will be released 3 Disconnect both battery cables The steering lock will remain released with both battery cables discon nected and the steering wheel can be turned 4 Perform the necessary repair operation Revision 2010 June SB 2 2011 M37 M56 PRECAUTIONS lt PRECAUTION gt 5 When the repair work is completed re connect both battery cables With the brake pedal released turn the push button ignition switch from ACC position to ON position then to LOCK position The steering wheel will lock when the push button ignition switch is turned to LOCK position 6 Perform self diagnosis check of all control units using CONSULT III Precaution for Seat Belt Service inFo10 0000000006055526 CAUTION Before removing the front seat belt pre tensioner assembly turn the ignition switch off disconnect battery negative terminal 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 SRC 12 Description Do not use disassembled buckle or seat belt assembly Replace anchor bolts if
12. escription Revision 2010 June SB 7 2011 M37 M56 FRONT SEAT BELT lt REMOVAL AND INSTALLATION gt 3 Check that the seat belt retractor seat belt anchor and buckle bolts are tightened firmly 4 Repeat steps above if necessary to check the other seat belts S EAT B E LT B U C KL E ploded View INFOID 00000000060565 17 SEC 868 Al 2 49 0 5 0 2 2 49 0 5 0 36 PN JMHIA1544GB 1 Front seat assembly 2 Outer anchor cover 3 Anchor bolt 4 Outer anchor 5 Spacer 6 Retaining washer 7 Seat belt pre tensioner retractor 8 Seat belt adjuster 9 Shoulder anchor 10 Anchor nut 11 Seat belt buckle Refer to 01 4 Components for symbols in the figure SEAT BELT BUCKLE Removal and Installation INFOID 0000000006055532 REMOVAL 1 Remove the front seat from vehicle Refer to SE 108 Removal and Installation for ease of tool opera tion in narrow space 2 Remove the seat belt buckle 1 Remove the seat belt buckle harness connector and harness clamp 2 Remove the mounting anchor bolt of the seat belt buckle INSTALLATION Revision 2010 June SB 8 2011 M37 M56 FRONT SEAT BELT lt REMOVAL AND INSTALLATION gt Install in the reverse order of removal Revision 2010 June SB 9 2011 M37 M56 REAR SEAT BELT lt REMOVAL AND INSTALLATION gt REAR SEAT BELT SEAT BELT RETRACTOR 5 E LT R ET RACTO R spect n INFOID 0000000006055533 AFTER
13. he 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 1 Check the seat belt warning lamp for proper operation as 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 Ifthe air bag warning lamp is blinking perform self diagnosis with CONSULT III and air bag warning lamp Refer to SRC 12 Description 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 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 caus
14. ion for Supplemental Restraint System SRS AIR BAG and SEAT BELT R E T E N S O N E R INFOID 0000000006055524 The Supplemental Restraint System such as AIR 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 AIR BAG and SEAT BELT 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 that 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 SRS AIR BAG 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 har
15. isting 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 A and B Tilting angles lt a Vehicle front 954 3 Replace the seat belt assembly if it does not operate normally Revision 2010 June SB 5 2011 M37 M56 FRONT SEAT BELT lt REMOVAL AND INSTALLATION gt SEAT BELT RETRACTOR Exploded View INFo1D 0000000006055528 SEC 868 Al 2 49 0 5 0 2 2 49 0 5 0 36 JMHIA1544GB 1 Front seat assembly 2 Outer anchor cover 3 Anchor bolt 4 Outer anchor 5 Spacer 6 Retaining washer 7 Seat belt pre tensioner retractor 8 Seat belt adjuster 9 Shoulder anchor 10 Anchor nut 11 Seat belt buckle Refer to Gl 4 Components for symbols in the figure SEAT BELT RETRACTOR Removal and Installation INFOID 0000000006055529 REMOVAL CAUTION Before servicing SRS turn the ignition switch OFF disconnect battery negative terminal and wait at least 3 minutes REMOVAL 1 Remove the outer anchor 1 Slide the seat to the foremost position 2 Remove the outer anchor cover 3 Remove the mounting anchor bolt of the outer anchor 2 Remove the shoulder anchor Revision 2010 June SB 6 2011 M37 M56 FRONT SEAT BELT lt REMOVAL AND INSTALLATION gt 1 Remove the front kicking plate inner and rear kicking plate inner R
16. ling 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 Revision 2010 June SB 3 2011 M37 M56 FRONT SEAT BELT lt REMOVAL AND INSTALLATION gt REMOVAL AND INSTALLATION FRONT SEAT BELT SEAT BELT RETRACTOR S EAT B E LT R ET RACTO R spect n INFOID 0000000006055527 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 Fail ure to do so could result in serious personal injury in an accident Seat belt assemblies not in use dur ing 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 T
17. nesses or har ness connectors PRECAUTIONS WHEN USING POWER TOOLS AIR OR ELECTRIC AND HAMMERS WARNING When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the ignition ON or engine running DO NOT use air or electric 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 3 minutes before performing any service Precaution Necessary for Steering Wheel Rotation after Battery Disconnect INFOID 0000000006055525 NOTE Before removing and installing any control units first turn the push button ignition switch to the LOCK posi tion then disconnect both battery cables e After finishing work confirm that all control unit connectors are connected properly then re connect both battery cables Always use CONSULT III to perform self diagnosis as a part of each function inspection after finishing work If a DTC is detected perform trouble diagnosis according to self diagnosis results For vehicle with steering lock unit if the battery is disconnected or discharged the steering wheel will lock and cannot be turned If turning the steering wheel is required with the battery disconnected or discharged follow the operation pro cedure below before starting the r
18. ntinue to operate properly Fail ure to do so could result in serious personal injury in an accident Seat belt assemblies not in use dur ing 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 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 distortion and repair if necessary before installing a new seat belt assembly Anchor bolts are deformed or worn out The seat belt pre tensioner must be replaced even if the seat belts were not in use during the collision in which the air bags were deployed PRELIMINARY CHECKS 1 Check the seat belt warning lamp for proper operation as pen 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 using CONSULT III and air bag warning lamp Refer to SRC 12 D
19. 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 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 1 Remove the rear seat belt retractor Refer to SB 12 SEAT BELT RETRACTOR Removal and Installa tion 2 Slowly pull out webbing while tilting the retractor assembly forward from the mounted position without twisting the retractor assembly as shown in the figure e 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 A and B Tilting angles lt a Vehicle front PHIAO962J 3 Replace the seat belt assembly if it does not operate normally Revision 2010 June SB 11 2011 M37 M56 REAR SEAT BELT lt REMOVAL AND INSTALLATION gt SEAT BELT RETRACTOR Exploded View INFO1D 0000000008055534 SEC 869 JMHIA1545GB 1 Anchor bolt 2 Outer anchor 3 Retaining washer 4 Seat belt retractor LH 5 Center seat belt retractor 6 Seat belt retractor RH
20. tightened firmly 2 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 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 that upper anchors can cause the seat belts to retract slowly c 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 3 Repeat steps above if necessary to check the other seat belts SEAT BELT RETRACTOR ON VEHICLE CHECK Emergency Locking Retractors ELR and Automatic Locking Retractors ALR NOTE Rear 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 3 point type seat belt retractors for rear seat 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 mod
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