lock INFINITI QX56 2011 Factory Service Manual

AIR COMPRESSOR/AIR TUBESCS-97
< REMOVAL AND INSTALLATION > [AIR LEVELIZER CONTROL SYSTEM]
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 Completely engage hooks on frame when installing bracket.
 Install exhaust tube (1) according to the figure.
 Perform inspection after installation. Rfer to SCS-97, "
Inspection".
InspectionINFOID:0000000006256103
INSPECTION AFTER REMOVAL
Check area 8 mm (0.31 in) from front end of air tubes for damage and burrs.
INSPECTION AFTER INSTALLATION
 Lightly pull air tubes and check that it is locked.
 Apply some soapy water to each joint. Check that ther e is no leakage of air after the activation of the air
compressor during “Active Test” of CONSULT-III.
CAUTION:
Never allow soapy water to ente r the inside of air compressor.
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Revision: 2010 May2011 QX56

SE-1
BODY INTERIOR
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SECTION SE
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CONTENTS
SEAT
PRECAUTION ................ ...............................4
PRECAUTIONS .............................................. .....4
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
4
Service Notice ...........................................................4
Precaution for Work ..................................................4
PREPARATION ............................................6
PREPARATION .............................................. .....6
Commercial Service Tool .................................... ......6
CLIP LIST ............................................................7
Clip List ............................................................... ......7
SYSTEM DESCRIPTION ..............................8
COMPONENT PARTS ................................... .....8
POWER SEAT SYSTEM .............................................8
POWER SEAT SYSTEM : Component Parts Lo-
cation ................................................................... ......
8
POWER SEAT SYSTEM : Component Descrip-
tion ...................................................................... ......
8
LUMBAR SUPPORT SYSTEM .............................. ......8
LUMBAR SUPPORT SYSTEM : Component
Parts Location ..................................................... ......
9
LUMBAR SUPPORT SYSTEM : Component De-
scription .....................................................................
9
SECOND SEAT POWER UNLOCK SYSTEM ....... ......9
SECOND SEAT POWER UNLOCK SYSTEM :
Component Parts Location ......................................
10
SECOND SEAT POWER UNLOCK SYSTEM :
Component Description ...........................................
10
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM ................................................................ ....
10
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM : Component Parts Location ....................
11
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM : Component Description ..................... ....
11
FRONT HEATED SEAT SYSTEM ......................... ....12
FRONT HEATED SEAT SYSTEM : Component
Parts Location ..........................................................
12
FRONT HEATED SEAT SYSTEM : Component
Description ...............................................................
12
SECOND HEATED SEAT SYSTEM ...................... ....13
SECOND HEATED SEAT SYSTEM : Component
Parts Location ..........................................................
13
SECOND HEATED SEAT SYSTEM : Component
Description ...............................................................
13
CLIMATE CONTROLLED SEAT SYSTEM ...............13
CLIMATE CONTROLLED SEAT SYSTEM : Com-
ponent Parts Location .......................................... ....
14
CLIMATE CONTROLLED SEAT SYSTEM : Com-
ponent Description ...................................................
14
SYSTEM ............................................................16
POWER SEAT SYSTEM ....... .....................................16
POWER SEAT SYSTEM : Syst em Description .......16
LUMBAR SUPPORT SYSTEM .............................. ....16
LUMBAR SUPPORT SYSTEM : System Descrip-
tion ...........................................................................
16
SECOND SEAT POWER UNLOCK SYSTEM ...........16
SECOND SEAT POWER UNLOCK SYSTEM :
System Description .............................................. ....
16
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM .....................................................................
16
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM : System Description ............................ ....
16
FRONT HEATED SEAT SYSTEM ......................... ....16
FRONT HEATED SEAT SYSTEM : System De-
scription ...................................................................
16
SECOND HEATED SEAT SYSTEM ...................... ....16
Revision: 2010 May2011 QX56

SE-2
SECOND HEATED SEAT SYSTEM : System De-
scription ..................................................................
16
CLIMATE CONTROLLED SEAT SYSTEM ........... ...17
CLIMATE CONTROLLED SEAT SYSTEM : Sys-
tem Diagram ........................................................ ...
17
CLIMATE CONTROLLED SEAT SYSTEM : Sys-
tem Description .................................................... ...
17
CLIMATE CONTROLLED SEAT SYSTEM : Fail-
safe .........................................................................
17
ECU DIAGNOSIS INFORMATION ..............20
CLIMATE CONTROLLED SEAT CONTROL
UNIT ................................................................ ...
20
Reference Value .................................................. ...20
Fail-safe ..................................................................21
WIRING DIAGRAM .....................................24
POWER SEAT CONTROL SYSTEM (PAS-
SENGER SIDE) ............................................... ...
24
Wiring Diagram .................................................... ...24
LUMBAR SUPPORT SYSTEM ..........................28
Wiring Diagram .................................................... ...28
SECOND SEAT POWER UNLOCK SYSTEM ...33
Wiring Diagram .......................................................33
THIRD SEAT SEATBACK POWER FOLDING
SYSTEM .......................................................... ...
39
Wiring Diagram .................................................... ...39
FRONT HEATED SEAT SYSTEM .....................45
Wiring Diagram .................................................... ...45
SECOND HEATED SEAT SYSTEM ..................50
Wiring Diagram .................................................... ...50
CLIMATE CONTROLLED SEAT SYSTEM .......55
Wiring Diagram .................................................... ...55
BASIC INSPECTION ...................................66
DIAGNOSIS AND REPAIR WORK FLOW ..... ...66
Work Flow ............................................................ ...66
DTC/CIRCUIT DIAGNOSIS ...................... ...67
POWER SUPPLY AND GROUND CIRCUIT .. ...67
CLIMATE CONTROLLED SEAT CONTROL UNIT ...67
CLIMATE CONTROLLED SEAT CONTROL UNIT
: Diagnosis Procedure ............................................
67
CLIMATE CONTROLLED SEAT CONTROL UNIT
: Component Inspection ..........................................
70
CLIMATE CONTROLLED SEAT SWITCH ........72
Component Function Check .............................. ...72
Diagnosis Procedure ..............................................72
Component Inspection ............................................74
SEATBACK THERMAL ELECTRIC UNIT ........75
Component Function Check ............................... ...75
Diagnosis Procedure ...............................................75
SEATBACK THERMAL ELECTRIC UNIT
SENSOR ............................................................
77
Component Function Check ............................... ...77
Diagnosis Procedure ...............................................77
Component Inspection ............................................78
SEAT CUSHION THERMAL ELECTRIC UNIT ...79
Component Function Check ............................... ...79
Diagnosis Procedure ...............................................79
SEAT CUSHION THERMAL ELECTRIC UNIT
SENSOR ............................................................
81
Component Function Check ............................... ...81
Diagnosis Procedure ...............................................81
Component Inspection ............................................82
CLIMATE CONTROLLED SEATBACK
BLOWER MOTOR .............................................
83
Component Function Check ............................... ...83
Diagnosis Procedure ...............................................83
CLIMATE CONTROLLED SEAT CUSHION
BLOWER MOTOR .............................................
86
Component Function Check ............................... ...86
Diagnosis Procedure ...............................................86
CLIMATE CONTROLLED SEAT SWITCH IN-
DICATOR ...........................................................
89
Component Function Check ............................... ...89
Diagnosis Procedure ...............................................89
CLIMATE CONTROLLED SEAT BLOWER
FILTER ...............................................................
91
SEATBACK BLOWER MOTOR ............................. ...91
SEATBACK BLOWER MOTOR : Diagnosis Pro-
cedure .....................................................................
91
SEAT CUSHION BLOWER MOTOR ..................... ...91
SEAT CUSHION BLOWER MOTOR : Diagnosis
Procedure ...............................................................
91
SYMPTOM DIAGNOSIS ............................92
CLIMATE CONTROLLED SEAT DOES NOT
OPERATE. ...................................................... ...
92
Diagnosis Procedure ............................................ ...92
TEMPERATURE ADJUSTMENT IS IMPOSSI-
BLE ....................................................................
94
SEATBACK ............................................................ ...94
SEATBACK : Diagnosis Procedure ........................94
SEAT CUSHION ..................................................... ...94
SEAT CUSHION : Diagnosis Procedure .................94
Revision: 2010 May2011 QX56

SE-3
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CLIMATE CONTROLLED SEAT ACTIVATES
ONCE BUT STOPS IMMEDIATELY .............. ....
96
SEATBACK BLOWER MOTOR ............................ ....96
SEATBACK BLOWER MOTOR : Description .........96
SEATBACK BLOWER MOTOR : Diagnosis Pro-
cedure .....................................................................
96
SEAT CUSHION BLOWER MOTOR ..................... ....96
SEAT CUSHION BLOWER MOTOR : Description ....96
SEAT CUSHION BLOWER MOTOR : Diagnosis
Procedure ................................................................
96
SEAT SWITCH INDICATOR IS NOT ILLUMI-
NATED IN HEAT OR COOL POSITION ............
98
Diagnosis Procedure ........................................... ....98
SQUEAK AND RATTLE TROUBLE DIAG-
NOSES ...............................................................
99
Work Flow ........................................................... ....99
Inspection Procedure ............................................101
Diagnostic Worksheet ...........................................103
REMOVAL AND INSTALLATION .............105
FRONT SEAT ................................................. ..105
Exploded View .................................................... ..105
Removal and Installation .......................................112
SEATBACK ........................................................... ..114
SEATBACK : Disassembly and Assembly ............114
SEAT CUSHION .................................................... ..115
SEAT CUSHION : Disassembly and Assembly ....116
CLIMATE CONTROLLED SEAT UNIT ................. ..117
CLIMATE CONTROLLED SEAT UNIT : Disas-
sembly and Assembly ...........................................
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HEADREST (WITH HEADREST DISPLAY ONLY) ..117
HEADREST (WITH HEADREST DISPLAY
ONLY) : Disassembly and Assembly ....................
117
SECOND SEAT ................................................120
Exploded View .................................................... ..120
Removal and Installation ..................................... ..125
SEATBACK ............................................................ ..126
SEATBACK : Disassembly and Assembly ............126
SEAT CUSHION .................................................... ..130
SEAT CUSHION : Disassembly and Assembly .....130
ARMREST .............................................................. ..133
ARMREST : Disassembly and Assembly ..............133
Adjustment .............................................................134
THIRD SEAT ...................................................137
Exploded View .......................................................137
Removal and Installation .......................................138
Disassembly and Assembly ...................................139
POWER SEAT SWITCH .................................141
Removal and Installation .......................................141
SECOND SEAT POWER UNLOCK SWITCH .142
Removal and Installation .......................................142
THIRD SEAT RECLINING SWITCH ...............143
Removal and Installation .......................................143
THIRD SEAT FOLD DOWN SWITCH .............144
Removal and Installation .......................................144
FRONT HEATED SEAT SWITCH ...................145
Removal and Installation .......................................145
SECOND HEATED SEAT SWITCH ................146
Removal and Installation .......................................146
CLIMATE CONTROLLED SEAT SWITCH .....147
Removal and Installation .......................................147
CLIMATE CONTROLLED SEAT BLOWER
FILTER ............................................................
148
SEAT CUSHION .................................................... ..148
SEAT CUSHION : Removal and Installation .........148
SEATBACK ............................................................ ..148
SEATBACK : Removal and Installation .................148
Revision: 2010 May2011 QX56

COMPONENT PARTSSE-9
< SYSTEM DESCRIPTION >
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LUMBAR SUPPORT SYSTEM : Component Parts LocationINFOID:0000000006217358
LUMBAR SUPPORT SYSTEM : Component DescriptionINFOID:0000000006217359
SECOND SEAT POWER UNLOCK SYSTEM
1. Lumber support motor 2. Lifting motor 3. Reclining motor
4. Sliding motor
A. View with seat cushion pad and seat
back pad removed. B. Back side of seat cushion
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Item Function
BCM Supplies at all times the power received from battery to power seat switch
Lumbar support switch Controls the power supplied to lumbar support motor
Lumbar support motor With the power supplied from lumbar support switch, operates the forward and backward
movement of seatback support device
Revision: 2010 May2011 QX56

SE-10
< SYSTEM DESCRIPTION >
COMPONENT PARTS
SECOND SEAT POWER UNLOCK SYST EM : Component Parts Location
INFOID:0000000006217360
SECOND SEAT POWER UNLOCK SYSTEM : Component DescriptionINFOID:0000000006217361
THIRD SEAT SEATBACK POWER FOLDING SYSTEM
1. Power unlock motor RH 2. Power unlock relay RH 3. Second seat power unlock switch RH
4. Second seat power unlock switch LH 5. Power unlock motor LH 6. Power unlock relay LH
A. View with seat cushion pad and seat
back pad removed. B. View with seat cushion pad and seat
back pad removed.
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Item Function
Second seat unlock switch supplies power supply to power unlock relay and operates power unlock system. Power unlock relay Supplies battery power supply to motor when receiving power supply from power unlock switch.
Power unlock motor Releases lock when receiving battery power supply from power unlock relay.
Revision: 2010 May2011 QX56

SE-16
< SYSTEM DESCRIPTION >
SYSTEM
SYSTEM
POWER SEAT SYSTEM
POWER SEAT SYSTEM : System DescriptionINFOID:0000000006217370
Power seat switch can be operated regardless of the ignition switch position, because power supply is always
supplied to power seat switch.
SLIDING OPERATION
While operating the sliding switch located in power s eat switch, sliding motor operates and makes possible the
seat front and back position adjustment.
RECLINING OPERATION
While operating the reclining switch located in power seat switch, reclining motor operates and makes possi-
ble the seat back forward and backward position adjustment.
LIFTING OPERATION
While operating the lifting switch located in power seat switch, lifting motor operates and makes possible the
seat cushion up and down position adjustment.
LUMBAR SUPPORT SYSTEM
LUMBAR SUPPORT SYSTEM : System DescriptionINFOID:0000000006217371
 Lumbar support switch can be operated regardless of t he ignition switch position, because power supply is
always supplied to lumbar support switch.
 While operating the lumbar support switch, lumbar support motor operates which allows forward and back-
ward operation of seatback support.
SECOND SEAT POWER UNLOCK SYSTEM
SECOND SEAT POWER UNLOCK SY STEM : System DescriptionINFOID:0000000006217372
 Second seat power unlock switch can be operated regardl ess of the ignition switch position, because power
supply is always supplied to second seat power unlock switch and power unlock relay.
 Power unlock motor pulls seatback control wire, s eatback folds down, seat lock unlocks, and second seat
tilts up, when second seat power unlock switch is pressed.
THIRD SEAT SEATBACK POWER FOLDING SYSTEM
THIRD SEAT SEATBACK POWER FOLDIN G SYSTEM : System Description
INFOID:0000000006217373
 Third seat fold down switch and third seat reclini ng switch can be operated regardless of the ignition switch
position, because power supply is always supplied to thir d seat fold down switch, third seat reclining switch
and relays.
 Power folding motor operates and seatback reclining and third seat folding can be performed while third seat
fold down switch and third seat reclining switch are operated.
FRONT HEATED SEAT SYSTEM
FRONT HEATED SEAT SYSTEM : System DescriptionINFOID:0000000006217374
Heated seat is a system that operates when ignition switch is in ON position.
HEATER OPERATION
 While operating the heated seat switch, seat cushion heater and seat back heater operate.
 Temperature of seat can be adjust ed by operating on heated seat switch.
SECOND HEATED SEAT SYSTEM
SECOND HEATED SEAT SYSTEM : System DescriptionINFOID:0000000006217375
Heated seat is a system that operates when ignition switch is in ON position.
HEATER OPERATION
 While operating the heated seat switch, seat cushion heater and seat back heater operate.
Revision: 2010 May2011 QX56

SECOND SEAT POWER UNLOCK SYSTEMSE-33
< WIRING DIAGRAM >
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SECOND SEAT POWER UNLOCK SYSTEM
Wiring DiagramINFOID:0000000006217383
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Revision: 2010 May2011 QX56

SE-34
< WIRING DIAGRAM >
SECOND SEAT POWER UNLOCK SYSTEM
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Revision: 2010 May2011 QX56

SECOND SEAT POWER UNLOCK SYSTEMSE-35
< WIRING DIAGRAM >
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Revision: 2010 May2011 QX56