2011 INFINITI QX56 heater

SECOND SEATSE-125
< REMOVAL AND INSTALLATION >
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Removal and InstallationINFOID:0000000006217430
REMOVAL
CAUTION:
 When removing and installing, use shop cloths to protect parts from damage.
 When removing and installing, 2 workers ar e required so as to prevent it from dropping.
1. Remove the headrest.
2. Remove the seat hinge cover.
a. Bench seat (RH side) and captain seat  Open pawls on upper side to outside and disconnect thepawls.
 Pull the cover forward, side the pawl on lower side downward, and disconnect the pawl.
b. Bench seat (LH side)  Open pawls on upper side to outside and disconnect thepawls.
 Pull the cover forward, side the pawl on lower side downward,
and disconnect the pawl.
3. Remove the from mounting bolt of seat hinge assembly.
4. Operate rear seat lever or reclining lever to releas e seat lock assembly lock and to fold seat forward.
5. Disconnect seat harness assembly harness connector (A).
6. Remove the rear mounting nut of seat hinge assembly.
19. Reclining device outer cover (inside) 20. Reclining device outer cover (out- side)21. Snap ring
22. Reclining lever knob 23. Seatback board 24. Seatback board clip
25. Seatback heater unit 26. Rear seat lever assembly 27. Seat control lever escutcheon
28. Seatback frame 29. Reclining device inner cover (out- side)30. Bush
31. Seat cushion frame : Pawl
Refer to GI-4, "
Components" for symbols in the figure.
: Pawl
JMJIA3870ZZ
: Pawl
JMJIA3869ZZ
JMJIA4261ZZ
Revision: 2010 May2011 QX56

SE-126
< REMOVAL AND INSTALLATION >
SECOND SEAT
7. Remove seat from the vehicle.CAUTION:
When removing and installi ng, use shop cloths to protect parts from damage.
INSTALLATION
Install in the reverse order of removal.
SEATBACK
SEATBACK : Disassembly and AssemblyINFOID:0000000006217431
DISASSEMBLY
BENCH SEAT (LH SIDE)
1. Remove the armrest.
1. Pull armrest outer cover (1) lower side forward and remove
pawls. Lift armrest outer cover upward to remove.
2. Remove the armrest mounting nuts and then remove the armrest.
2. Remove the seatback retainers (A), and then open the fasteners (B).
3. Remove the seatback board and the clips. 1. Slide and align the clips (B) to the holes on the seatback asshown in the figure, and then remove the seatback board
(A).
2. Remove the clips after removing the seatback board.
4. Disconnect the seatback heater unit harness connector (A).
: Pawl
JMJIA3876ZZ
JMJIA3874ZZ
JMJIA4076ZZ
Revision: 2010 May2011 QX56

SECOND SEATSE-127
< REMOVAL AND INSTALLATION >
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(heater seat model only)
5. Remove the rear seat lever assembly. 1. Remove the rear seat lever assembly fixing screws.
2. Lift rear seat lever assembly and remove seatback control wire.
6. Remove the seatback center finisher. 1. Pull seatback center finisher cover rearward to remove.
2. Remove the seatback center finisher fixing screws.
3. Remove the seat belt from seatback center finisher.
7. Remove the center seat belt anchor. 1. Remove the seat cushion and seat cushion under cover.
Refer to SE-130, "
SEAT CUSHION : Disassembly and Assembly".
2. Remove the center seat belt anchor. Refer to SB-13, "
SEAT BELT RETRACTOR : Removal and Installation".
8. Remove the seatback trim and seatback pad. 1. Remove the headrest holder. CAUTION:
Before installing headrest holder check its orientation.
(front/rear and right/left)
JMJIA4471ZZ
: Pawl
JMJIA3877ZZ
PIIB4084J
Revision: 2010 May2011 QX56

SECOND SEATSE-129
< REMOVAL AND INSTALLATION >
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1. Slide and align the clips (B) to the holes on the seatback as shown in the figure, and then remove the seatback board
(A).
2. Remove the clips after removing the seatback board.
3. Disconnect the seatback heater unit harness connector (A).
(heater seat model only)
4. Remove the rear seat lever assembly. 1. Remove the rear seat lever assembly fixing screws.
2. Lift rear seat lever assembly and remove seatback control wire.
5. Remove the seatback trim and seatback pad. 1. Remove the headrest holder. CAUTION:
Before installing headrest holder check its orientation.
(front/rear and right/left)
2. Roll up seatback trim (2) from backward to forward so that seat control lever escutcheon (1) is visible.
3. Remove the seat control lever escutcheon (1).
4. Remove the seatback trim and seat back pad from the seatback frame.
5. Remove the hog rings, and separate the seatback trim and seatback pad.
6. Remove the seatback frame.
JMJIA4076ZZ
JMJIA4262ZZ
PIIB4084J
: Pawl
JMJIA3878ZZ
Revision: 2010 May2011 QX56

SE-130
< REMOVAL AND INSTALLATION >
SECOND SEAT
1. Remove the reclining device outer cover (outside) and reclining device outer cover (inside).
Refer to SE-130, "
SEAT CUSHION : Disassembly and Assembly".
2. Remove the seatback control wire (A) and seat cushion
control wire (B).
3. Remove the reclining inner cover (outside).
4. Remove the mounting bolts and then remove seatback frame.
ASSEMBLY
Assemble in the reverse order of disassembly.
CAUTION:
 Install the hog rings of seat trim in position, and then securely connect the trim or trim cord with the
seat frame.
 Adjust the cable when installing the seatback control wire and seat cushion control wire.
Refer to SE-134, "
Adjustment".
SEAT CUSHION
SEAT CUSHION : Disa ssembly and AssemblyINFOID:0000000006217432
DISASSEMBLY
BENCH SEAT (LH SIDE)
1. Remove the seat cushion trim and seat cushion pad.
1. Remove the seat cushion retainer.
2. Move seat cushion so that harness connector (A) of seatcushion heater is visible. (heater seat model only)
3. Disconnect the seat cushion heater unit harness connector (A). (heater seat model only)
4. Remove the seat cushion trim and seat cushion pad from the seat cushion frame.
5. Remove the hog rings and separate the seat cushion trim and seat cushion pad.
2. Remove the reclining lever knob. Remove snap ring (1) downward using a hook and pick tool.
Remove reclining lever knob (2).
JMJIA3886ZZ
JMJIA4472ZZ
JMJIA3881ZZ
Revision: 2010 May2011 QX56

SE-132
< REMOVAL AND INSTALLATION >
SECOND SEAT
 Disengage pawls on front side of seat cushion hinge cover.
 Disengage pawls on rear side of seat cushion hinge cover.
12. Remove the mounting bolts and then remove seat hinge assembly.
BENCH SEAT (RH SIDE) AND CAPTAIN SEAT
1. Remove the seat cushion trim and seat cushion pad. 1. Remove the seat cushion retainer.
2. Move seat cushion so that harness connector (A) of seatcushion heater is visible. (heater seat model only)
3. Disconnect the seat cushion heater unit harness connector (A). (heater seat model only)
4. Remove the seat cushion trim and seat cushion pad from the seat cushion frame.
5. Remove the hog rings and separate the seat cushion trim and seat cushion pad.
2. Remove the reclining lever knob. Remove the snap ring (1) downward using a hook & pick tool.
Remove the reclining lever knob (2).
3. Remove the reclining device outer cover (outside) Pull reclining device outer cover forward and disengage pawls.
4. Remove the reclining device outer cover (inside).
: Pawl
JMJIA3883ZZ
JMJIA4263ZZ
JMJIA3881ZZ
: Pawl
JMJIA3882ZZ
Revision: 2010 May2011 QX56

STR-18
< REMOVAL AND INSTALLATION >
STARTER MOTOR
Type: M001T30671
Removal and InstallationINFOID:0000000006275528
REMOVAL
1. Disconnect the battery cable from the negative terminal. Refer to PG-164, "Removal and Installation".
2. Remove engine cover. Refer to EM-25, "
Removal and Installation".
3. Remove intake manifold. Refer to EM-30, "
Removal and Installation".
4. Remove “B” terminal nut, and then “B” terminal harness.
5. Remove harness clip of “S ” connector from heater pipe.
6. Disconnect “S” connector.
7. Remove starter motor mounting bolts.
8. Remove starter motor upward from the vehicle.
INSTALLATION
Note the following item, and then install in the reverse order of removal.
CAUTION:
Be careful to tighten “B” terminal nut carefully.
InspectionINFOID:0000000006275534
INSPECTION AFTER DISASSEMBLY
JPBIA2426GB
1. Magnetic switch assembly 2. Adjusting plate 3. “B” terminal extension
4. Gear case assembly 5. Stopper ring 6. Stopper
7. Pinion assembly 8. Internal gear 9. Yoke assembly
10. Armature assembly 11. Brush holder assembly 12. Metal RR
13. Rear cover 14. Through bolt 15. Packing
16. Ball 17. Planetary gear 18. Gear shaft
19. Dust cover kit 20. Shift lever
: High-temperature grease point
Refer to GI-4, "
Components" for symbols not described on the above.
Revision: 2010 May2011 QX56

VTL-1
VENTILATION, HEATER & AIR CONDITIONER
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SECTION VTL
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CONTENTS
VENTILATION SYSTEM
PRECAUTION ................ ...............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .....................................
3
PREPARATION ............................................5
PREPARATION .............................................. .....5
Commercial Service Tool .................................... ......5
SYSTEM DESCRIPTION ..............................6
VENTILATION SYSTEM ................................ .....6
VENTILATION SYSTEM (FRONT AIR CONDI-
TIONING) ............................................................... ......
6
VENTILATION SYSTEM (FRONT AIR CONDI-
TIONING) : System Description ................................
6
VENTILATION SYSTEM (REAR AIR CONDITION-
ING) ........................................................................ ......
7
VENTILATION SYSTEM (REAR AIR CONDI-
TIONING) : System Description ................................
7
REMOVAL AND INSTALLATION ................8
DUCT AND GRILLE ....................................... .....8
Exploded View .................................................... ......8
CENTER VENTILATOR GRILLE .......................... ....10
CENTER VENTILATOR GRILLE : Removal and
Installation ...............................................................
10
SIDE VENTILATOR GRILLE ................................. ....10
SIDE VENTILATOR GRILLE : Removal and In-
stallation ..................................................................
10
FRONT DEFROSTER GRILLE .............................. ....10
FRONT DEFROSTER GRILLE : Removal and In-
stallation ..................................................................
10
UPPER VENTILATOR GRILLE .................................10
UPPER VENTILATOR GRILLE : Removal and In-
stallation .............................................................. ....
10
SIDE VENTILATOR DUCT .................................... ....10
SIDE VENTILATOR DUCT : Removal and Instal-
lation ........................................................................
10
UPPER VENTILATOR DUCT ....................................10
UPPER VENTILATOR DUCT : Removal and In-
stallation .............................................................. ....
10
FRONT DEFROSTER NOZZLE .................................11
FRONT DEFROSTER NOZZLE : Removal and In-
stallation .............................................................. ....
11
SIDE DEFROSTER NOZZLE .....................................11
SIDE DEFROSTER NOZZLE : Removal and In-
stallation .............................................................. ....
11
FLOOR DUCT 1 ..................................................... ....11
FLOOR DUCT 1 : Removal and Installation ............11
FLOOR DUCT 2 ..................................................... ....11
FLOOR DUCT 2 : Removal and Installation ............11
FLOOR DUCT 3 ..................................................... ....11
FLOOR DUCT 3 : Removal and Installation ............11
REAR FLOOR GRILLE .......................................... ....12
REAR FLOOR GRILLE : Removal and Installation
....
12
FOOT DUCT ........................................................... ....12
FOOT DUCT : Removal and Installation .................12
FOOT GRILLE ....................................................... ....12
FOOT GRILLE : Removal and Installation ..............12
REAR VENTILATOR DUCT LOWER .................... ....12
Revision: 2010 May2011 QX56