SEAT BELT
Contents
1. 6 Removal and Installation seeee 14 SEAT BELT BUCKLE Exploded View 7 SEAT BELT BUCKLE Removal and Installation 7 Revision 2007 June SB 1 G37 Coupe PRECAUTIONS PRECAUTION PRECAUTION PRECAUTIONS Precaution for Supplemental Restraint System SRS AIR BAG and SEAT BELT P R E T E N S O N E R INFOID 0000000001 826650 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 AIRBAG 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 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 unintentional2. 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 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 Remove the front seat belt assembly refer to SB 5 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 illustration Revision 2007 June SB 4 G37 Coupe FRONT SEAT BELT ON VEHICLE REPAIR gt A The webbing can be pulled out in case the retractor is tilted 15 degrees or less B The webbing cannot be pulled out in case the retractor is titted 27 degrees or more A and B show tilting angles lt Vehicle front PHIA0954J Replace the seat belt assembly if it does not operate normally SEAT BELT RETRACTOR Exploded View INFOID 0000000001728784 E Dee SEC 868 0 49 0 5 0 36 0 49 0 5 0 36 1 Anchor cover 2 Anchor bolt 3 Outer anchor 4 Retaining washer 5 Spring washer 6 Spacer 7 Seat belt extension 8 Shoulder anchor 9 Plastic washer 10 Seat belt bracket 11 Seat belt pre tensio
3. B E LT R ET RACTO R n spect i O n INFOID 0000000001 728789 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 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 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 seat belt pre tensioners should be replaced even if the seat belts are not in use during the collision in which the air bags are deployed PRELIMINARY CHECKS 1 Check the sea
4. 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 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 Revision 2007 June SB 2 G37 Coupe FRONT SEAT BELT ON VEHICLE REPAIR gt ON VEHICLE REPAIR FRONT SEAT BELT SEAT BELT RETRACTOR S EAT B E LT R ET RACTO R A n spect i O n INFOID 0000000001728783 AFTER A COLLISION WARNING Inspect all seat belt assemblies including retractors and attached hardware after any collision NISSAN INFINITI recommends
5. retractor is tilted 15 degrees or less B The webbing cannot be pulled out in case the retractor is titted 27 degrees or more Aand B show tilting angles e Vehicle front PHIA0997J Replace the seat belt assembly if it does not operate normally Revision 2007 June SB 9 G37 Coupe REAR SEAT BELT ON VEHICLE REPAIR gt SEAT BELT RETRACTOR Exploded View INFOID O000000001726790 SLL y om 49 0 5 0 36 9 49 0 5 0 36 i lt a 49 0 5 0 36 Q z Q 2 3 ey 1 Anchor bolt 2 Outer anchor 3 Seat belt buckle 4 Retaining washer 5 Shoulder anchor 6 Spacer 7 Retractor cover 8 Seat belt retractor Refer to Gl 4 Components for symbols in the figure SEAT BELT RETRACTOR Removal and Installation INFOID 0000000001728791 REMOVAL 1 Remove the outer and inner anchors Remove the rear seat cushion Refer to SE 160 Removal and Installation Remove the outer anchor fixing anchor bolt 2 Remove the seat belt assembly Remove the rear seatback Refer to SE 160 Removal and Installation Remove the kicking plate inner the rear side finisher and the rear pillar finisher Refer to INT 14 Removal and Installation Remove the seat belt escutcheon from the rear pillar finisher Refer to INT 14 Removal and Installa tion Remove the retractor cover Remove the fixing anchor bolt of the seat belt retractor INSTALLATION Install in the reverse order of removal SEAT
6. 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 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 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 seat belt pre tensioners should be replaced even if the seat belts are not in use during the collision in which the air bags are deployed PRELIMINARY CHECKS 1 Checkthe seat belt warning lamp chime for proper operation as follows a Turn ignition switch ON The seat belt warning lamp should illuminate Also the seat belt warning chime should sound for about six seconds b Fasten drive
7. 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 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 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 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 PRELIMINARY CHECKS 1 Check the seat belt warning lamp chime for proper operation as follows a T
8. BELT BUCKLE Revision 2007 June SB 10 G37 Coupe REAR SEAT BELT ON VEHICLE REPAIR gt SEAT BELT BUCKLE i Inspection INFOID 0000000001728792 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 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 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 seat belt pre tensioner should be replaced even if the seat belts are not in u
9. RESTRAINTS SECTION S B SEAT BELT CONTENTS PRECAUTION ius qiti ena Esbis aou Rex MCKRoDa Cave 2 REAR SEAT BELT eren 8 PRECAUTIONS cneeeeeeeneee nennen naar 2 SEAT BELT RETRACTOR eee 8 Precaution for Supplemental Restraint System SEAT BELT RETRACTOR Inspection 8 SRS AIR BAG and SEAT BELT PRE TEN SEAT BELT RETRACTOR Exploded View 10 SIONER Saccctast A lead wiles nsa cedant E 2 SEAT BELT RETRACTOR Removal and Instal Precaution for Seat Belt Service cce 2 lation x sesto emt ese ON VEHICLE REPAIR 3 SEAT BELT BUCKLE SEAT BELT BUCKLE Inspection 11 FRONT SEAT BELT e ceneeennnennnnn 3 SEAT BELT BUCKLE Exploded View 11 SEAT BELT BUCKLE Removal and Installation 12 SEAT BELT RETRACTOR c ceseeeee eene enun nnnn 3 SEAT BELT RETRACTOR Inspection 3 LATCH SYSTEM FOR CHILDREN 13 SEAT BELT RETRACTOR Exploded View 5 Exploded View iersinii narai 13 SEAT BELT RETRACTOR Removal and Instal Removal and Installation 13 VAT OM a EE 5 TOP TETHER STRAP CHILD RESTRAINT a SEAT BELT BUCKLE cc 00ccccessseeeeeeessseeeeeeees 6 Exploded View sss 14 SEAT BELT BUCKLE Inspection
10. activation of the system For removal of Spiral Cable and Air Bag Module see the SRS AIRBAG 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 PGIOSAR UN RUR RS CAUTION Before removing the front seat belt pre tensioner assembly turn the ignition switch off disconnect 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 SRC 15 Diagnosis Description Do not 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 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
11. ctors 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 with the following test s to determine if a retractor assembly is operating prop erly ELR Function Stationary Check Revision 2007 June SB 8 G37 Coupe REAR SEAT BELT ON VEHICLE REPAIR gt 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 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 webb
12. gh the through anchor webbing opening Hold both ends of the wire and pull it tauntly 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 through anchor webbing opening NOTE Apply the tape so that there is no looseness or wrinkling Revision 2007 June SB 3 G37 Coupe FRONT SEAT BELT ON VEHICLE REPAIR 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 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 bac
13. ing 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 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 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 SB SEAT BELT RETRACTOR OFF VEHICLE CHECK 1 Remove the seat belt retractor Remove the rear seat belt assembly refer to SB 10 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 illustration A The webbing can be pulled out in case the
14. k 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 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 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
15. ner connector 12 Pre crash seat belt connector 13 Pre tensioner seat belt retractor Refer to GlI 4 Components for symbols in the figure SEAT BELT RETRACTOR Removal and Installation INFOID 0000000001728785 REMOVAL CAUTION Before servicing SRS turn the ignition switch off disconnect both battery cables and wait at least 3 minutes 1 Remove the outer anchor Remove the outer anchor cover Revision 2007 June SB 5 G37 Coupe FRONT SEAT BELT ON VEHICLE REPAIR Remove the fixing anchor bolt of the outer anchor 2 Remove the shoulder anchor Remove the shoulder anchor cover Remove the fixing anchor bolt of the shoulder anchor 3 Remove the rear side finisher and rear pillar finisher Refer to INT 14 Removal and Installation Remove the seat belt bracket Remove the fixing bolt of the seat belt bracket 5 Remove the seat belt assembly Disconnect the seat belt pre tensioner connector CAUTION For installing removing seat belt pre tensioner connec tor insert thin screwdriver wrapped in tape into notch 3 lift lock and remove connector Install connector with lock raised and push lock into t connector A PHIA0953J Disconnect the pre crash seat belt connector Remove the fixing screw and anchor bolt of the pre tensioner seat belt retractor INSTALLATION Install in the reverse order of removal SEAT BELT BUCKLE SEAT BELT BUCKLE E Inspection INFOID 0000000001 728786
16. r seat belt The seat belt warning lamp should turn off and the chime if sounding should stop 2 If the air bag warning lamp is blinking conduct self diagnosis with CONSULT III and air bag warning lamp Refer to SRC 15 Diagnosis Description 3 Check that the seat belt retractor seat belt anchor and buckle bolts are securely attached 4 Checkthe 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 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 build up in the loops of the 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 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 Fixthe seat belt at the center pillar webbing opening with a clip or other device 3 Passa thin wire throu
17. removal Revision 2007 June SB 13 INFOID 0000000001728796 G37 Coupe TOP TETHER STRAP CHILD RESTRAINT ON VEHICLE REPAIR gt TOP TETHER STRAP CHILD RESTRAINT Exp loded View INFOID 0000000001 728797 SEC 880 g 9an 2 9 21 a d pa JMHIA0436GB 1 Anchor bolt 2 Anchor plate 3 Spacer 4 Fiber washer Refer to GlI 4 Components for symbols in the figure Re m oval a nd n stal lat i O n INFOID 0000000001 728798 REMOVAL CAUTION Replace anchor bolts if they are deformed or worn out 1 Remove the top tether strap child restraint cover Refer to INT 17 Removal and Installation 2 Remove the top tether strap child restraint INSTALLATION Install in the reverse order of removal Revision 2007 June SB 14 G37 Coupe
18. se during the collision in which the air bags are deployed PRELIMINARY CHECKS 1 Checkthat the seat belt retractor seat belt anchor and buckle bolts are securely attached 2 Repeat step above as necessary to check the other seat belts m SB SEAT BELT BUCKLE p Exploded View INFOID 0000000001826818 aT 72 i Veo MZ NR Revision 2007 June SB 11 G37 Coupe REAR SEAT BELT ON VEHICLE REPAIR gt 1 Anchor bolt 2 Outer anchor 3 Seat belt buckle 4 Retaining washer 5 Shoulder anchor 6 Spacer 7 Retractor cover 8 Seat belt retractor Refer to Gl 4 Components for symbols in the figure SEAT BELT BUCKLE Removal and Installation INFOID 0000000001 728794 REMOVAL Remove the seat belt buckle Remove the rear seat cushion Refer to SE 160 Removal and Installation Remove the fixing anchor bolt of the inner anchor INSTALLATION Install in the reverse order of removal Revision 2007 June SB 12 G37 Coupe LATCH SYSTEM FOR CHILDREN ON VEHICLE REPAIR gt LATCH SYSTEM FOR CHILDREN Exploded View INFOID 0000000001728795 1 LATCH system Refer to Gl 4 Components for symbols in the figure Removal and Installation REMOVAL CAUTION Replace anchor bolts if they are deformed or worn out 1 Remove the rear seat cushion Refer to SE 160 Removal and Installation 2 Remove LATCH Lower Anchor and Tether for Children system INSTALLATION Install in the reverse order of
19. t belt warning lamp chime for proper operation as follows a Turn ignition switch ON The seat belt warning lamp should illuminate Also the seat belt warning chime should sound for about six seconds b Fasten driver seat belt The seat belt warning lamp should turn off and the chime if sounding should stop 2 Ifthe air bag warning lamp is blinking conduct self diagnosis with CONSULT III and air bag warning lamp Refer to SRC 15 Diagnosis Description Check that the seat belt retractor seat belt anchor and buckle bolts are securely attached Check retractor operation Fully extend the seat belt webbing and check for twists tears or other damage 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 build up in the loops of that 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 SET and perform the following steps 5 Repeat steps above as necessary to check the other seat belts op Fw SEAT BELT RETRACTOR ON VEHICLE CHECK Emergency Locking Retractors ELR and Automatic Locking Retractors ALR NOTE All seat belt retractors are Emergency Locking Retra
20. urn ignition switch ON The seat belt warning lamp should illuminate Also the seat belt warning chime should sound for about six seconds b Fasten driver seat belt The seat belt warning lamp should turn off and the chime if sounding should stop 2 If the air bag warning lamp is blinking conduct self diagnosis using CONSULT III and air bag warning lamp Refer to SRC 15 Diagnosis Description 3 Check that the seat belt retractor seat belt anchor and buckle bolts are securely attached 4 Repeat steps above as necessary to check the other seat belts Revision 2007 June SB 6 G37 Coupe FRONT SEAT BELT ON VEHICLE REPAIR gt S EAT B E LT B U G KLE Explod ed Vi ew INFOID 0000000001728787 SEC 868 1 Seat belt buckle harness connector 2 Anchor bolt 3 Retaining washer 4 Washer 5 Spacer 6 Seat belt buckle 7 Wave washer Refer to Gl 4 Components for symbols in the figure SEAT BELT BUCKLE Removal and Installation INFOID 0000000001728788 REMOVAL Remove the seat belt buckle Remove the front seat from vehicle Refer to SE 152 Removal and Installation for ease of tool operation in narrow space Disconnect the seat belt buckle harness connector and harness clamp Remove the fixing anchor bolt of the seat belt buckle INSTALLATION Install in the reverse order of removal Revision 2007 June SB 7 G37 Coupe REAR SEAT BELT ON VEHICLE REPAIR gt REAR SEAT BELT SEAT BELT RETRACTOR S EAT
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