2009 INFINITI QX56 Factory Service Manual

radiator cap AUX inflation pressure headlamp ignition air filter

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INFINITI QX56 2009 Factory Service Manual RF-54
< ON-VEHICLE REPAIR >
SUNROOF SYSTEM
Exploded View
INFOID:0000000003776094
1. Glass lid assembly 2. Wind deflector3. Rear drain hoses
4. Shade stoppers 5. Sunroof bracket 6. Sunshade assembly
7.

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INFINITI QX56 2009 Factory Service Manual SUNROOF SYSTEMRF-55
< ON-VEHICLE REPAIR >
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CAUTION:
• Before removal, fully close the glass lid assembly. Then, after removal, do not move the motor
assembly.
• Aft

SUNROOF SYSTEMRF-55
< ON-VEHICLE REPAIR >
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CAUTION:
• Before removal, fully close the glass lid assembly. Then, after removal, do not move the motor
assembly.
• After installing or adjusting the sunroof and glass lid, check gap alignment and sunroof operation to
prevent malfunction.
• Handle glass lid with care so not to cause damage.
Removal and InstallationINFOID:0000000005877826
CAUTION:
• Always work with a helper.
• When taking sunroof unit out, use shop cloths to protect the seats and trim from damage.
• After installing the sunroof unit or glass lid, be sure to check gap adjustment to prevent any mal-
function.
SUNROOF FRAME ASSEMBLY
NOTE:
• For easier installation, mark each point before removal.
Removal
1. Remove headlining. Refer to INT-17, "Removal and Installation".
2. Remove the glass lid assembly. Follow the procedure for GLASS LID ASSEMBLY within this section.
3. Remove overhead console bracket.
4. Disconnect the front and rear drain hoses.
5. Remove front sunroof frame assembly bolts.
6. Remove sunroof frame assembly brackets.
7. Remove the side bolts and the sunroof frame assembly.
8. Remove the sunshade assembly as necessary. Fo llow the procedure for SUNSHADE ASSEMBLY within
this section.
Installation
1. Install the sunshade assembly.
2. Position the sunroof frame assembly and install the side bolts.
3. Install the sunroof brackets.
4. Install the front sunroof frame assembly bolts.
5. Connect front and rear drain hoses.
6. Install the overhead console bracket.
7. Install the glass lid assembly. Follow the procedure for GLASS LID ASSEMBLY within this section.
8. Install headlining. Refer to INT-17, "
Removal and Installation".
9. Perform initialization procedure. Refer to RF-5, "
ADDITIONAL SERVICE WHEN REPLACING CONTROL
UNIT : Special Repair Requirement".
GLASS LID ASSEMBLY
Removal
1. Open sunshade assembly.
2. Ensure glass lid assembly is closed.
3. Remove side cover LH and RH.
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual RF-56
< ON-VEHICLE REPAIR >
SUNROOF SYSTEM
4. Remove the screws securing glass lid assembly to the sunroofframe assembly.
5. Remove the glass lid assembly.
Installation
1. Position glass lid assembly

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INFINITI QX56 2009 Factory Service Manual SUNROOF SYSTEMRF-57
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Removal
CAUTION:
• When removing the sunroof motor, be sure to
place the link and wire assembly in the symmetrical
and full

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INFINITI QX56 2009 Factory Service Manual
RSU-1
SUSPENSION
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SECTION RSU
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REAR SUSPENSION
PRECAUTION ................ ...............................2
PRECAUTIONS ........................................

RSU-1
SUSPENSION
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SECTION RSU
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REAR SUSPENSION
PRECAUTION ................ ...............................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .....................................
2
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
Commercial Service Tool ..........................................4
SYMPTOM DIAGNOSIS ...............................5
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ........................ .....
5
NVH Troubleshooting Chart ................................ ......5
ON-VEHICLE MAINTENANCE .....................6
REAR SUSPENSION ASSEMBLY ................ .....6
On-Vehicle Inspection and Service ..................... ......6
Wheel AlignmentInspection .......................................6
ON-VEHICLE REPAIR ..................................9
REAR SUSPENSION ASSEMBLY ................ .....9
Component .......................................................... ......9
REMOVAL AND INSTALLATION ...............11
REAR SUSPENSION MEMBER .................... ....11
Removal and Installation ..................................... ....11
SHOCK ABSORBER ........................................15
Removal and Installation ..................................... ....15
Disposal ...................................................................15
SUSPENSION ARM ..........................................17
Removal and Installation .........................................17
FRONT LOWER LINK .......................................19
Removal and Installation .........................................19
REAR LOWER LINK & COIL SPRING .............21
Removal and Installation .........................................21
STABILIZER BAR .............................................23
Removal and Installation .........................................23
REAR LOAD LEVELING AIR SUSPENSION
COMPRESSOR ASSEMBLY ............................
24
Removal and Installation .........................................24
CONTROL UNIT ................................................26
Removal and Installation .........................................26
Initialization Procedure ............................................26
HEIGHT SENSOR .............................................27
Removal and Installation .........................................27
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .............................................
29
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
29
Wheel Alignment (Unladen*1) ............................. ....29
Ball Joint ..................................................................29
Wheelarch Height (Unladen*1) ................................30
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual
RSU-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005873203
The Supplemental Restraint

RSU-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005873203
The Supplemental Restraint System such as “A IR 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 inopera tive, 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 NISS AN/INFINITI dealer.
Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
Do not use electrical test equipmen t 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 Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c 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 minu tes before performing any service.
Precaution Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000005873204
NOTE:
This Procedure is applied only to models with Intelli gent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
Remove and install all control units after disconnecting 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 pow er 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: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual
PRECAUTIONSRSU-3
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5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (A

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INFINITI QX56 2009 Factory Service Manual
RSU-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000005889878
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated

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