2007 INFINITI QX56 Factory Service Manual

oil reset turn signal bulb battery capacity recommended oil stop start dead battery open trunk

Page 2825 of 3061

INFINITI QX56 2007 Factory Service Manual PRECAUTIONS
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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:0000000003532506
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.
Precaution for Transfer Assembly and Transfer Control Unit ReplacementINFOID:0000000003532507
When replacing transfer assembly or transfer control unit, check the 4WD shift indicator lamp as follows.
1. Turn ignition switch “ON”.
2. Check 4WD shift indicator lamp is turned ON for approx. 1 second.
• If OK, the position between transfer assembly and transfer control unit is correct.
• If NG, the position is different between transfer assembly and transfer control unit.
Adjust the position between transfer assembly and transfer control unit. Refer to "METHOD FOR POSITION
ADJUSTMENT".
METHOD FOR POSITION ADJUSTMENT
1. Start engine. Run the engine for at least 10 seconds.
2. Stop vehicle and move A/T selector lever to “N” position with brake pedal depressed. Stay in "N" for at
least 2 seconds.
3. Turn 4WD shift switch to “2WD” position. Stay in "2WD" for at least 2 seconds.
4. Turn ignition switch “OFF”.
5. Start engine.
6. Erase self-diagnosis. Refer to TF-42, "
CONSULT-II Function (ALL MODE AWD/4WD)" (with CONSULT-II)
or TF-48, "
Self-Diagnosis Procedure" (without CONSULT-II).
7. Check 4WD shift indicator lamp. Refer to TF-31, "
Inspections Before Trouble Diagnosis".
If 4WD shift indicator lamp does not indicate "2WD", install new transfer control unit and retry the above
check.

Page 2826 of 3061

INFINITI QX56 2007 Factory Service Manual TF-4
< SERVICE INFORMATION >
PRECAUTIONS
Precaution
INFOID:0000000003532508
•Before connecting or disconnecting the transfer control unit
harness connector, turn ignition switch “OFF” and discon

TF-4
< SERVICE INFORMATION >
PRECAUTIONS
Precaution
INFOID:0000000003532508
•Before connecting or disconnecting the transfer control unit
harness connector, turn ignition switch “OFF” and disconnect
battery ground cable. Failure to do so may damage the trans-
fer control unit. Battery voltage is applied to transfer control
unit even if ignition switch is turned “OFF”.
•When connecting or disconnecting pin connectors into or
from transfer control unit, take care not to damage pin termi-
nals (bend or break).
When connecting pin connectors make sure that there are not
any bends or breaks on transfer control unit pin terminals.
•Before replacing transfer control unit, perform transfer con-
trol unit input/output signal inspection and make sure transfer
control unit functions properly. Refer to TF-35, "
Transfer Con-
trol Unit Input/Output Signal Reference Value".
Service NoticeINFOID:0000000003532509
• After overhaul refill the transfer with new transfer fluid.
• Check the fluid level or replace the fluid only with the vehicle parked on level ground.
• During removal or installation, keep inside of transfer clear of dust or dirt.
• Disassembly should be done in a clean work area.
• Before proceeding with disassembly, thoroughly clean the transfer. It is important to prevent the internal
parts from becoming contaminated by dirt or other foreign matter.
• Check for the correct installation status prior to removal or disassembly. If matchmarks are required, be cer-
tain they do not interfere with the function of the parts when applied.
• All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or
reassembly.
• Check appearance of the disassembled parts for damage, deformation, and unusual wear. Replace them
with new ones if necessary.
• Gaskets, seals and O-rings should replaced any time the transfer is disassembled.
• In principle, tighten bolts or nuts gradually in several steps working diagonally from inside to outside. If tight-
ening sequence is specified, use it.
• Observe the specified torque when assembling.
• Clean and flush the parts sufficiently and blow-dry them.
• Be careful not to damage sliding surfaces and mating surfaces.
SEF289H
SEF291H
MEF040DB

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INFINITI QX56 2007 Factory Service Manual PRECAUTIONS
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• Use lint-free cloth or towels for wiping parts clean. Common shop rags can leave fibers that could interfere
with the opera

Page 2828 of 3061

INFINITI QX56 2007 Factory Service Manual TF-6
< SERVICE INFORMATION >
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000003532510
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

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INFINITI QX56 2007 Factory Service Manual PREPARATION
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ST35300000
(—)
Drift• Removing sun gear assembly and planetary
carrier assembly
• Removing carrier bearing
• Installin

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INFINITI QX56 2007 Factory Service Manual TF-8
< SERVICE INFORMATION >
PREPARATION
ST30911000
(—)
Puller• Removing press flange snap ring
• Installing press flange snap ring
• Installing mainshaft
• Installing carrier bearing
a: 98

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INFINITI QX56 2007 Factory Service Manual PREPARATION
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Commercial Service ToolINFOID:0000000003532511
Tool nameDescription
Puller• Removing companion flange
Pin punch• Removing r

Page 2832 of 3061

INFINITI QX56 2007 Factory Service Manual TF-10
< SERVICE INFORMATION >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000003532512
Use the chart b

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