2010 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2010 Factory Service Manual PRECAUTIONSDLN-191
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TE

PRECAUTIONSDLN-191
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005337608
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 severi ty 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 w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoper ative, 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 in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005337607
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecti ng both battery cables with the ignition knob in the
″ LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS , an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
Revision: April 20092010 QX56

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INFINITI QX56 2010 Factory Service Manual DLN-192
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PRECAUTIONS
5. When the repair work is completed, return the ignition switch to the
″LOCK ″ position before connecting
the battery cables. (At this

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INFINITI QX56 2010 Factory Service Manual PREPARATIONDLN-193
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PREPARATION
PREPARATION
Commercial Service ToolINFOID:0000000005148905
Tool name Description
Power tool Lo

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INFINITI QX56 2010 Factory Service Manual DLN-194
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NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING
SYMPTOM DIAGNOSIS
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshootin

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INFINITI QX56 2010 Factory Service Manual PROPELLER SHAFTDLN-195
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ON-VEHICLE REPAIR
PROPELLER SHAFT
On-Vehicle ServiceINFOID:0000000005148907
APPEARANCE AND NOISE

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INFINITI QX56 2010 Factory Service Manual DLN-196
< REMOVAL AND INSTALLATION >[PROPELLER SHAFT: 2S1410]
PROPELLER SHAFT
REMOVAL AND INSTALLATION
PROPELLER SHAFT
Removal and InstallationINFOID:0000000005148908
REMOVAL
2WD
AWDIA0698GB
1. Propel

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INFINITI QX56 2010 Factory Service Manual PROPELLER SHAFTDLN-197
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4WD
REMOVAL
1. Move the A/T select lever to the N position and release the parking brake.

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INFINITI QX56 2010 Factory Service Manual DLN-198
< REMOVAL AND INSTALLATION >[PROPELLER SHAFT: 2S1410]
PROPELLER SHAFT
• While holding the flange yoke on one side, check axial play of the joint as shown. If the journal axial play
exceeds t

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