2007 INFINITI QX56 Factory Service Manual

manual radio set headrest winter tires engine coolant roof tow bar

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INFINITI QX56 2007 Factory Service Manual TERMINOLOGY
GI-51
< SERVICE INFORMATION >
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Exhaust gas recirculation control-BPT
valveEGRC-BPT valve BPT valve
Exhaust gas recirculation control-solenoid
valveEGRC-sol

TERMINOLOGY
GI-51
< SERVICE INFORMATION >
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Exhaust gas recirculation control-BPT
valveEGRC-BPT valve BPT valve
Exhaust gas recirculation control-solenoid
valveEGRC-solenoid valve EGR control solenoid valve
Exhaust gas recirculation temperature sen-
sor
EGRT sensor Exhaust gas temperature sensor
EGR temperature sensor
Flash electrically erasable programmable
read only memoryFEEPROM ***
Flash erasable programmable read only
memoryFEPROM ***
Flexible fuel sensor FFS ***
Flexible fuel system FF system ***
Fuel pressure regulator *** Pressure regulator
Fuel pressure regulator control solenoid
valve*** PRVR control solenoid valve
Fuel trim FT ***
Heated Oxygen sensor HO2S Exhaust gas sensor
Idle air control system IAC system Idle speed control
Idle air control valve-air regulator IACV-air regulator Air regulator
Idle air control valve-auxiliary air control
valveIACV-AAC valve Auxiliary air control (AAC) valve
Idle air control valve-FICD solenoid valve IACV-FICD solenoid valve FICD solenoid valve
Idle air control valve-idle up control sole-
noid valveIACV-idle up control solenoid valve Idle up control solenoid valve
Idle speed control-FI pot ISC-FI pot FI pot
Idle speed control system ISC system ***
Ignition control IC ***
Ignition control module ICM ***
Indirect fuel injection system IFI system ***
Intake air IA Air
Intake air temperature sensor IAT sensor Air temperature sensor
Knock *** Detonation
Knock sensor KS Detonation sensor
Malfunction indicator lamp MIL Check engine light
Manifold absolute pressure MAP ***
Manifold absolute pressure sensor MAPS ***
Manifold differential pressure MDP ***
Manifold differential pressure sensor MDPS ***
Manifold surface temperature MST ***
Manifold surface temperature sensor MSTS ***
Manifold vacuum zone MVZ ***
Manifold vacuum zone sensor MVZS ***
Mass air flow sensor MAFS Air flow meter
Mixture control solenoid valve MC solenoid valve Air-fuel ratio control solenoid valve
Multiport fuel injection System MFI system Fuel injection controlNEW TERMNEW ACRONYM /
ABBREVIATIONOLD TERM

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INFINITI QX56 2007 Factory Service Manual GI-52
< SERVICE INFORMATION >
TERMINOLOGY
Nonvolatile random access memory NVRAM ***
On board diagnostic system OBD system Self-diagnosis
Open loop OL Open loop
Oxidation catalyst OC Catalyst
Oxidati

GI-52
< SERVICE INFORMATION >
TERMINOLOGY
Nonvolatile random access memory NVRAM ***
On board diagnostic system OBD system Self-diagnosis
Open loop OL Open loop
Oxidation catalyst OC Catalyst
Oxidation catalytic converter system OC system ***
Oxygen sensor O2S Exhaust gas sensor
Park position switch *** Park switch
Park/neutral position switch PNP switchPark/neutral switch
Inhibitor switch
Neutral position switch
Periodic trap oxidizer system PTOX system ***
Positive crankcase ventilation PCV Positive crankcase ventilation
Positive crankcase ventilation valve PCV valve PCV valve
Powertrain control module PCM ***
Programmable read only memory PROM ***
Pulsed secondary air injection control sole-
noid valvePAIRC solenoid valve AIV control solenoid valve
Pulsed secondary air injection system PAIR system Air induction valve (AIV) control
Pulsed secondary air injection valve PAIR valve Air induction valve
Random access memory RAM ***
Read only memory ROM ***
Scan tool ST ***
Secondary air injection pump AIR pump ***
Secondary air injection system AIR system ***
Sequential multiport fuel injection system SFI system Sequential fuel injection
Service reminder indicator SRI ***
Simultaneous multiport fuel injection sys-
tem*** Simultaneous fuel injection
Smoke puff limiter system SPL system ***
Supercharger SC ***
Supercharger bypass SCB ***
System readiness test SRT ***
Thermal vacuum valve TVV Thermal vacuum valve
Three way catalyst TWC Catalyst
Three way catalytic converter system TWC system ***
Three way + oxidation catalyst TWC + OC Catalyst
Three way + oxidation catalytic converter
systemTWC + OC system ***
Throttle body TBThrottle chamber
SPI body
Throttle body fuel injection system TBI system Fuel injection control
Throttle position TP Throttle position
Throttle position sensor TPS Throttle sensor
Throttle position switch TP switch Throttle switch
Torque converter clutch solenoid valve TCC solenoid valveLock-up cancel solenoid
Lock-up solenoid NEW TERMNEW ACRONYM /
ABBREVIATIONOLD TERM

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INFINITI QX56 2007 Factory Service Manual TERMINOLOGY
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***: Not applicableTransmission control module TCM A/T control unit
Turbocharger TC Turbocharger
Vehicle speed sensor VSS Vehi

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INFINITI QX56 2007 Factory Service Manual GW-1
BODY
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SECTION GW
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CONTENTS
GLASSES, WINDOW SYSTEM & MIRRORS
SERVICE INFORMATION ............................3
PRECAUTIONS .........................................

GW-1
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SECTION GW
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CONTENTS
GLASSES, WINDOW SYSTEM & MIRRORS
SERVICE INFORMATION ............................3
PRECAUTIONS ...................................................3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...................................................................
3
Handling for Adhesive and Primer ............................3
PREPARATION ...................................................4
Special Service Tool .................................................4
Commercial Service Tool ..........................................4
SQUEAK AND RATTLE TROUBLE DIAGNO-
SIS .......................................................................
5
Work Flow .................................................................5
Generic Squeak and Rattle Troubleshooting ............7
Diagnostic Worksheet ...............................................9
WINDSHIELD GLASS ........................................11
Removal and Installation .........................................11
REAR WINDOW GLASS AND MOLDING .........13
Removal and Installation .........................................13
POWER WINDOW SYSTEM ..............................15
Component Parts and Harness Connector Loca-
tion ..........................................................................
15
System Description .................................................15
CAN Communication System Description ...............18
Schematic ...............................................................19
Wiring Diagram - WINDOW- ...................................21
Main Power Window and Door Lock/Unlock
Switch Harness Connector Terminal Layout ...........
28
Terminal and Reference Value for Main Power
Window and Door Lock/Unlock Switch ...................
29
Power Window and Door Lock/Unlock Switch RH
Harness Connector Terminal Layout ......................
30
Terminal and Reference Value for Power Window
and Door Lock/Unlock Switch RH ...........................
30
Terminal and Reference Value for BCM .................31
Work Flow ...............................................................31
CONSULT-II Function (BCM) ..................................31
Trouble Diagnosis Symptom Chart ..........................32
BCM Power Supply and Ground Circuit Inspection
....
34
Main Power Window and Door Lock/Unlock
Switch Power Supply and Ground Circuit Inspec-
tion ...........................................................................
34
Power Window and Door Lock/Unlock Switch RH
Power Supply and Ground Circuit Inspection ..........
35
Front Power Window Motor LH Circuit Inspection ....36
Front Power Window Motor RH Circuit Inspection ....37
Limit Switch Circuit Inspection Front LH ..................37
Limit Switch Circuit Inspection Front RH .................38
Encoder Circuit Inspection Front LH ........................40
Encoder Circuit Inspection Front RH .......................41
Door Switch Check ..................................................43
Front Door Lock Assembly LH (Key Cylinder
Switch) Check ..........................................................
44
Power Window Serial Link Check Front LH and
RH ...........................................................................
46
Rear Power Window Control Unit LH or RH Power
Supply and Ground Circuit Inspection .....................
48
Rear Power Window Switch LH or RH Power Sup-
ply and Ground Circuit Inspection ...........................
49
Rear Power Window Motor LH Circuit Inspection ....50
Rear Power Window Motor RH Circuit Inspection ....50
Limit Switch Circuit Inspection Rear LH and RH .....51
Encoder Circuit Inspection Rear LH or RH ..............53
Power Window Serial Link Check Rear LH or RH ....54
Rear Power Vent Window Switch Circuit Inspec-
tion ...........................................................................
55
Rear Power Vent Window Motor LH Circuit In-
spection ...................................................................
55
Rear Power Vent Window Motor RH Circuit In-
spection ...................................................................
56
Rear Power Vent Window Relay (OPEN) Check ....56
Rear Power Vent Window Relay (CLOSE) Check ....57
FRONT DOOR GLASS AND REGULATOR .....59
Removal and Installation .........................................59
REAR DOOR GLASS AND REGULATOR .......62

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INFINITI QX56 2007 Factory Service Manual GW-2
Removal and Installation ........................................62
SIDE WINDOW GLASS .....................................65
Removal and Installation ........................................6

GW-2
Removal and Installation ........................................62
SIDE WINDOW GLASS .....................................65
Removal and Installation ........................................65
INSIDE MIRROR ................................................66
Wiring Diagram - I/MIRR - ......................................66
Removal and Installation ........................................66
REAR WINDOW DEFOGGER ...........................68
Component Parts and Harness Connector Loca-
tion ..........................................................................
68
System Description .................................................68
CAN Communication System Description ..............69
Schematic ...............................................................70
Wiring Diagram - DEF - ..........................................71
Terminal and Reference Value for BCM .................73
Terminal and Reference Value for IPDM E/R .........73
Work Flow ...............................................................74
CONSULT-II Function (BCM) .................................74
Trouble Diagnosis Symptom Chart .........................74
BCM Power Supply and Ground Circuit Inspection
...
75
Rear Window Defogger Switch Circuit Inspection ...75
Rear Window Defogger Circuit Inspection ..............76
Door Mirror Defogger Power Supply Circuit In-
spection ...................................................................
77
Door Mirror LH (Door Mirror Defogger) Circuit In-
spection ...................................................................
78
Door Mirror RH (Door Mirror Defogger) Circuit In-
spection ...................................................................
79
Rear Window Defogger Signal Inspection ..............80
Filament Check .......................................................80
Filament Repair .......................................................81
DOOR MIRROR .................................................83
Wiring Diagram - MIRROR - ...................................83
Door Mirror Assembly .............................................84
Door Mirror Glass ....................................................84

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INFINITI QX56 2007 Factory Service Manual PRECAUTIONS
GW-3
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SERVICE INFORMATION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INF

PRECAUTIONS
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SERVICE INFORMATION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000003533015
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:
• 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 unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SRS section.
• 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.
Handling for Adhesive and PrimerINFOID:0000000003533016
• Do not use an adhesive which is past its usable date. Shelf life of this product is limited to six months after
the date of manufacture. Carefully adhere to the expiration or manufacture date printed on the box.
• Keep primers and adhesive in a cool, dry place. Ideally, they should be stored in a refrigerator.
• Open the seal of the primer and adhesive just before application. Discard the remainder.
• Before application, be sure to shake the primer container to stir the contents. If any floating material is found,
do not use it.
• If any primer or adhesive contacts the skin, wipe it off with gasoline or equivalent and wash the skin with
soap.
• When using primer and adhesive, always observe the precautions in the instruction manual.

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INFINITI QX56 2007 Factory Service Manual GW-4
< SERVICE INFORMATION >
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000003533017
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Page 2024 of 3061

INFINITI QX56 2007 Factory Service Manual SQUEAK AND RATTLE TROUBLE DIAGNOSIS
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SQUEAK AND RATTLE TROUBLE DIAGNOSIS
Work FlowINFOID:0000000003533019
CUSTOMER INTERVIEW
Interview the c

SQUEAK AND RATTLE TROUBLE DIAGNOSIS
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SQUEAK AND RATTLE TROUBLE DIAGNOSIS
Work FlowINFOID:0000000003533019
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist when the noise occurs. Use the Diag-
nostic Worksheet during the interview to document the facts and conditions when the noise occurs and any
customer's comments; refer to GW-9, "
Diagnostic Worksheet". This information is necessary to duplicate the
conditions that exist when the noise occurs.
• The customer may not be able to provide a detailed description or the location of the noise. Attempt to obtain
all the facts and conditions that exist when the noise occurs (or does not occur).
• If there is more than one noise in the vehicle, be sure to diagnose and repair the noise that the customer is
concerned about. This can be accomplished by test driving the vehicle with the customer.
• After identifying the type of noise, isolate the noise in terms of its characteristics. The noise characteristics
are provided so the customer, service adviser and technician are all speaking the same language when
defining the noise.
• Squeak —(Like tennis shoes on a clean floor)
Squeak characteristics include the light contact/fast movement/brought on by road conditions/hard surfaces
= higher pitch noise/softer surfaces = lower pitch noises/edge to surface = chirping.
• Creak—(Like walking on an old wooden floor)
Creak characteristics include firm contact/slow movement/twisting with a rotational movement/pitch depen-
dent on materials/often brought on by activity.
• Rattle—(Like shaking a baby rattle)
Rattle characteristics include the fast repeated contact/vibration or similar movement/loose parts/missing
clip or fastener/incorrect clearance.
• Knock —(Like a knock on a door)
Knock characteristics include hollow sounding/sometimes repeating/often brought on by driver action.
• Tick—(Like a clock second hand)
Tick characteristics include gentle contacting of light materials/loose components/can be caused by driver
action or road conditions.
• Thump—(Heavy, muffled knock noise)
Thump characteristics include softer knock/dead sound often brought on by activity.
• Buzz—(Like a bumble bee)
Buzz characteristics include high frequency rattle/firm contact.
• Often the degree of acceptable noise level will vary depending upon the person. A noise that you may judge
as acceptable may be very irritating to the customer.
• Weather conditions, especially humidity and temperature, may have a great effect on noise level.
DUPLICATE THE NOISE AND TEST DRIVE
If possible, drive the vehicle with the customer until the noise is duplicated. Note any additional information on
the Diagnostic Worksheet regarding the conditions or location of the noise. This information can be used to
duplicate the same conditions when you confirm the repair.
SBT842

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