2009 INFINITI QX56 Factory Service Manual

CD player light power steering fluid refuelling refrigerant type fog light bulb

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INFINITI QX56 2009 Factory Service Manual
ASSEMBLYTM-289
< DISASSEMBLY AND ASSEMBLY >
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c. Measure distance "A" to make sure that torque converter is in proper position.
Distance "A" : 24.0 mm (0.94 in) or more
S

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INFINITI QX56 2009 Factory Service Manual
TM-290
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:000000000

TM-290
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:0000000005892329
*1: Refer to MA-12, "Fluids and Lubricants".
*2: The fluid capacity is the reference value. Check the fluid level with A/T fluid level gauge.
Vehicle Speed at Which Gear Shifting OccursINFOID:0000000004187500
NORMAL MODE
At half throttle, the accelerator opening is 1/2 of the full opening.
TOW MODE
Applied model 2WD 4WD
Automatic transmission model RE5R05A
Transmission model code number 94X3E 94X4A
Stall torque ratio 2.0 : 1
Transmission gear ratio 1st 3.827
2nd 2.368
3rd 1.520
4th 1.000
5th 0.834
Reverse 2.613
Recommended fluid Genuine NISSAN Matic S ATF
*1
Fluid capacity10.6 liter (11-1/4 US qt, 9-3/8 Imp qt)*2
CAUTION:
If Genuine NISSAN Matic S ATF is not available, Genuine NISSAN Matic J ATF may also be used. Using ATF other than Gen-
uine NISSAN Matic S ATF or Matic J ATF will cause deterioration driveability and A/T durability, and may damage the A/T,
which is not covered by the NISSAN new vehicle limited warranty.
Final
gear
ratio Throttle position
Vehicle speed km/h (MPH)
D
1 → D2D2 → D3D3 → D4D4 → D5D5 → D4D4 → D3D3 → D2D2 → D1
2.937 Full throttle
70 - 74
(44 - 46) 112 - 120
(70 - 75) 176 - 186
(110 - 116) 249 - 259
(155 - 161) 245 - 255
(152 - 159) 166 - 176
(103 - 110) 100 - 108
(62 - 67) 43 - 47
(27 - 30)
Half throttle 46 - 50
(28 - 31) 75 - 81
(47 - 50) 104 - 112
(65 - 70) 136 - 144
(85 - 89) 111 - 11 9
(69 - 74) 75 - 83
(47 - 51) 44 - 50
(27 - 31) 11 - 1 5
(7 - 10)
3.357 Full throttle
61 - 65
(38 - 41) 97 - 105
(61 - 66) 153 - 163
(95 - 102) 236 - 246
(147 - 153) 232 - 242
(144 - 151) 143 - 153
(89 - 95) 87 - 95
(54 - 59) 43 - 47
(27 - 29)
Half throttle 41 - 45
(26 - 28) 67 - 73
(42 - 45) 90 - 98
(56 - 61) 119 - 127
(74 - 79) 97 - 105
(60 - 65) 65 - 73
(40 - 45) 39 - 45
(24 - 28) 11 - 1 5
(7 - 10)
Final
gear
ratio Throttle position Vehicle speed km/h (MPH)
D
1 → D2D2 → D3D3 → D4D4 → D5D5 → D4D4 → D3D3 → D2D2 → D1
2.937 Full throttle
70 - 74
(44 - 46) 112 - 120
(70 - 75) 176 - 186
(110 - 116) 249 - 259
(155 - 161) 245 - 255
(152 - 159) 166 - 176
(103 - 110) 100 - 108
(62 - 67) 43 - 47
(27 - 30)
Half throttle 50 - 54
(31 - 34) 82 - 88
(51 - 55) 114 - 122
(71 - 76) 136 - 144
(85 - 89) 111 - 11 9
(69 - 74) 76 - 84
(47 - 52) 44 - 50
(27 - 31) 11 - 1 5
(7 - 10)
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual
SERVICE DATA AND SPECIFICATIONS (SDS)
TM-291
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At half throttle, the accelerator opening is 1/2 of the full opening.
Vehicle S

SERVICE DATA AND SPECIFICATIONS (SDS)
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At half throttle, the accelerator opening is 1/2 of the full opening.
Vehicle Speed at Which Lock-up Occurs/ReleasesINFOID:0000000004187501
At closed throttle, the accelerator opening is less than 1/8 condition. (Closed throttle position signal OFF)
At half throttle, the accelerator opening is 1/2 of the full opening.
Stall SpeedINFOID:0000000004187502
Line PressureINFOID:0000000004187503
Input Speed SensorINFOID:0000000004187504
Output Speed SensorINFOID:0000000004187505
Reverse BrakeINFOID:0000000004187506
3.357Full throttle
61 - 65
(38 - 41) 97 - 105
(61 - 66) 153 - 163
(95 - 102) 236 - 246
(147 - 153) 232 - 242
(144 - 151) 143 - 153
(89 - 95) 87 - 95
(54 - 59) 43 - 47
(27 - 29)
Half throttle 46 - 50
(29 - 31) 73 - 79
(45 - 59) 99 - 107
(62 - 66) 11 9 - 1 2 7
(74 - 79) 97 - 105
(60 - 65) 65 - 73
(40 - 45) 39 - 45
(24 - 28) 11 - 1 5
(7 - 10)
Final gear ratio Throttle position Vehicle speed km/h (MPH)
Lock-up ON Lock-up OFF
2.937 Closed throttle 51 - 59 (3
2 - 36) 48 - 56 (30 - 34)
Half throttle 177 - 185 (110 - 115) 111 - 119 (69 - 73)
3.357 Closed throttle 44 - 52 (2
8 - 32) 41 - 49 (26 - 30)
Half throttle 161 - 169 (100 - 105) 97 - 105 (61 - 65)
Stall speed 2,550 - 2,850 rpm
Engine speedLine pressure kPa (kg/cm
2, psi)
“R” position “D” position
At idle speed 425 – 465 (4.3 – 4.7, 62 – 67) 379 – 428 (3.9 – 4.4, 55 – 62)
At stall speed 1,605 – 1,950 (16.4 – 19.9, 233 – 283) 1,310 – 1,500 (13.4 – 15.3, 190 – 218)
Name Condition Data (Approx.)
Input speed sensor 1 When running at 50 km/h (31 MPH) in 4th speed witch the closed throttle position
signal OFF.
1.3 kHz
Input speed sensor 2 When running at 20 km/h (12 MPH) in 1st speed witch the closed throttle position
signal OFF.
Name Condition Data (Approx.)
Output speed sensor When running at 20 km/h (12 MPH). 185 Hz
Number of drive plates 7
Number of driven plates 7
Clearance mm (in) Standard 0.7 – 1.1 (0.028 – 0.043)
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual
TM-292
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Total End Play
INFOID:0000000004187507
BEARING RACE FOR ADJUSTING TOTAL END PLAY
Torque ConverterINFOID:000000000

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INFINITI QX56 2009 Factory Service Manual VTL-1
VENTILATION, HEATER & AIR CONDITIONER
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CONTENTS
VENTILATION SYSTEM
PRECAUTION ....... ........................................2
PRECAUTIONS ..........

VTL-1
VENTILATION, HEATER & AIR CONDITIONER
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SECTION VTL
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CONTENTS
VENTILATION SYSTEM
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
Precaution for Working with HFC-134a (R-134a) ......3
Precaution for Procedure without Cowl Top Cover ......3
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
Commercial Service Tool ..........................................4
FUNCTION DIAGNOSIS ...............................5
IN-CABIN MICROFILTER .............................. .....5
Description .......................................................... ......5
ON-VEHICLE MAINTENANCE .....................6
IN-CABIN MICROFILTER .............................. .....6
Removal and Installation ...........................................6
ON-VEHICLE REPAIR .... ..............................7
CONTROL UNIT ..................................................7
Removal and Installation ...........................................7
IN-VEHICLE SENSOR ................................... .....9
Removal and Installation ...........................................9
OPTICAL SENSOR ........................................ ....10
Removal and Installation .........................................10
INTAKE SENSOR ..............................................11
Removal and Installation .........................................11
BLOWER MOTOR .......................................... ....12
Component .......................................................... ....12
Removal and Installation .........................................12
IN-CABIN MICROFILTER .................................14
Removal and Installation .........................................14
HEATER & COOLING UNIT ASSEMBLY ........15
Component ..............................................................15
Removal and Installation .........................................16
HEATER CORE .................................................18
Component ..............................................................18
Removal and Installation .........................................19
DEFROSTER DOOR MOTOR ..........................21
Removal and Installation .........................................21
INTAKE DOOR MOTOR ...................................22
Removal and Installation .........................................22
MODE DOOR MOTOR ......................................23
Components ............................................................23
Removal and Installation .........................................24
AIR MIX DOOR MOTOR ...................................25
Component ..............................................................25
Removal and Installation .........................................26
VARIABLE BLOWER CONTROL .....................28
Components ............................................................28
Removal and Installation .........................................29
DUCTS AND GRILLES .....................................30
Component ..............................................................30
Removal and Installation .........................................33
REFRIGERANT LINES .....................................35
Removal and Installation for Front Evaporator ........35
Removal and Installation for Rear Evaporator .........36
Removal and Installation for Rear Expansion
Valve ........................................................................
37
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual VTL-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005867738
The Supplemental Restraint S

VTL-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005867738
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 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 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 NISSAN/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 harn esses can be identified 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:0000000005867739
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 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.
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INFINITI QX56 2009 Factory Service Manual PRECAUTIONSVTL-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. (At

PRECAUTIONSVTL-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. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of al l control units using CONSULT-III.
Precaution for Working with HFC-134a (R-134a)INFOID:0000000003775256
WARNING:
• CFC-12 (R-12) refrigerant and HFC-134a (R-134a) refr igerant are not compatible. If the refrigerants
are mixed compressor failure is likely to occur. Refer to HA-4, "
Contaminated Refrigerant". To deter-
mine the purity of HFC-134a (R-134a) in the vehicle and recovery tank, use recovery/recycling equip-
ment and refrigerant identifier.
• Use only specified oil for the HFC-134a (R-134a) A/C system and HFC-134a (R-134a) components. If
oil other than that specified is used, compressor fa ilure is likely to occur.
• The specified HFC-134a (R-134a) oil rapidly absorb s moisture from the atmosphere. The following
handling precautions must be observed:
- When removing refrigerant components from a vehicle, immediately cap (seal) the component to
minimize the entry of mois ture from the atmosphere.
- When installing refrigerant components to a vehicle, do not remove the caps (unseal) until just
before connecting the co mponents. Connect all refrigerant lo op components as quickly as possible
to minimize the entry of moisture into system.
- Only use the specified oil from a sealed container. Immediately r eseal containers of oil. Without
proper sealing, oil will become moisture saturat ed and should not be used.
- Avoid breathing A/C refrigerant and oil vapor or mist. Exposure may irritate eyes, nose and throat.
Remove HFC-134a (R-134a) from the A/C system usi ng certified service equipment meeting require-
ments of SAE J2210 [HFC-134a (R-134a) recycling eq uipment], or J2209 [HFC-134a (R-134a) recovery
equipment]. If accidental system discharge occurs , ventilate work area before resuming service.
Additional health and safety information may be ob tained from refrigerant and oil manufacturers.
- Do not allow A/C oil to come in contact with styrofoam parts. Damage may result.
Precaution for Procedur e without Cowl Top CoverINFOID:0000000003775257
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
PIIB3706J
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual VTL-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000005889884
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated

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