2008 INFINITI QX56 transmission

EXL-24
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
1: The item is indicated, not monitored
ACTIVE TEST
Monitor item[Unit] Description
IGN ON SW
[ON/OFF] The switch status input from ignition switch
ACC ON SW
[ON/OFF] The switch status input from ignition switch
TURN SIGNAL R
[ON/OFF]
Each switch status that BCM judges from the combination switch reading function
TURN SIGNAL L
[ON/OFF]
HI BEAM SW
[ON/OFF]
HEAD LAMP SW1
[ON/OFF]
HEAD LAMP SW2
[ON/OFF]
LIGHT SW 1ST
[ON/OFF]
AUTO LIGHT SW
[ON/OFF]
PASSING SW
[ON/OFF]
FR FOG SW
[ON/OFF]
CARGO LAMP SW
[ON/OFF]
RR FOG SW
1
[ON/OFF]
—
DOOR SW-DR
[ON/OFF] The switch status input from front door switch LH
DOOR SW-AS
[ON/OFF] The switch status input from front door switch RH
DOOR SW-RR
[ON/OFF] The switch status input from rear door switch RH
DOOR SW- RL
[ON/OFF] The switch status input from rear door switch LH
DOOR SW-BK
[ON/OFF] The switch status input from the back door switch
OPTICAL SENSOR
[V] The value of exterior brightness voltage input from the optical sensor
Test item
Operation Description
TA I L L A M P ON
Transmits the position light request signal to IPDM E/R via CAN commu-
nication to turn the tail lamp ON.
OFF Stops the tail lamp request signal transmission.
HEAD LAMP HI
Transmits the high beam request signal via CAN communication to turn
the headlamp (HI)
LO Transmits the low beam request signal via CAN communication to turn
the headlamp (LO).
OFF Stops the high & low beam request signal transmission.
Revision: March 2010 2008 QX56

DIAGNOSIS SYSTEM (BCM)EXL-25
< FUNCTION DIAGNOSIS >
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1: The item is indicated, not monitored.
FLASHER
FLASHER : CONSULT-III Function (BCM - FLASHER)INFOID:0000000001547121
DATA MONITOR
ACTIVE TEST
FR FOG LAMP ON
Transmits the front fog lamp light request signal to IPDM E/R via CAN
communication to turn the front fog lamp ON.
OFF Stops the front fog lamp request signal transmission.
CORNERING LAMP
1
RH —
LH
OFF
CARGO LAMP ON
Tramsmits the cargo lamp request signal to the IPDM E/R via CAN com-
munication to turn on the cargo lamp.
OFF Stops the cargo lamp request signal transmission.
Test item
Operation Description
Monitor item
[Unit] Description
IGN ON SW
[ON/OFF] The switch status input from the ignition switch
HAZARD SW
[ON/OFF] The switch status input from the hazard warning switch
TURN SIGNAL R
[ON/OFF] Each switch condition that BCM judges from the combination switch reading function
TURN SIGNAL L
[ON/OFF]
BRAKE SW
[ON/OFF] The switch status input from the brake switch
Test item
Operation Description
FLASHER RH Blinks right turn signal lamp.
LH Blinks left turn signal lamp.
OFF Turns turn signal lamps (right and left) OFF.
Revision: March 2010 2008 QX56

FAX-1
TRANSMISSION & DRIVELINE
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CONTENTS
FRONT AXLE
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 .................................................................3
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
WHEEL HUB ......................................................6
On-Vehicle Inspection and Service ..................... .....6
REMOVAL AND INSTALLATION ................7
WHEEL HUB ......................................................7
Removal and Installation ..................................... .....7
DRIVE SHAFT ....................................................9
Removal and Installation ..........................................9
DISASSEMBLY AND ASSEMBLY ..............11
DRIVE SHAFT ...................................................11
Disassembly and Assembly ................................. ....11
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .......................................... ...
16
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
16
Wheel Bearing ..................................................... ....16
Drive Shaft ...............................................................16
Boot Bands ..............................................................16
Revision: March 2010 2008 QX56

HOW TO USE THIS MANUALGI-3
< HOW TO USE THIS MANUAL >
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HOW TO USE THIS MANUAL
DescriptionINFOID:0000000001539181
This volume explains “Removal, Disassembly, Inst allation, Inspection and Adjustment” and “Trouble Diag-
noses”.
Te r m sINFOID:0000000001539182
• The captions WARNING and CAUTION warn you of steps that must be followed to prevent personal injury
and/or damage to some part of the vehicle.
WARNING indicates the possibility of personal injury if instructions are not followed.
CAUTION indicates the possibility of component damage if instructions are not followed.
BOLD TYPED STATEMENTS except WARNING and CAUTION give you helpful information.
Standard value: Tolerance at inspection and adjustment.
Limit value: The maximum or minimum limit val ue that should not be exceeded at inspection and adjust-
ment.
UnitsINFOID:0000000001539183
• The UNITS given in this manual are primarily expressed as the SI UNIT (International System of Unit), and
alternatively expressed in the metric system and in the yard/pound system.
Also with regard to tightening torque of bolts and nuts, there are descriptions both about range and about the
standard tightening torque.
“Example”
Range
Standard
ContentsINFOID:0000000001539184
• A QUICK REFERENCE INDEX , a black tab (e.g. ) is provided on the first page. You can quickly find the
first page of each section by matching it to the section's black tab.
• THE CONTENTS are listed on the first page of each section.
• THE TITLE is indicated on the upper portion of each page and shows the part or system.
• THE PAGE NUMBER of each section consists of two or three letters which designate the particular section
and a number (e.g. “BR-5”).
• THE SMALL ILLUSTRATIONS show the important steps such as ins pection, use of special tools, knacks of
work and hidden or tricky steps which are not shown in the previous large illustrations.
Assembly, inspection and adjustment procedures for the complicated units such as the automatic transaxle
or transmission, etc. are presented in a step-by-step format where necessary. Outer Socket Lock Nut : 59 - 78 N·m (6.0 - 8.0 kg-m, 43 - 58 ft-lb)
Drive Shaft Installation Bolt : 44.3 N·m (4.5 kg-m, 33 ft-lb)
Revision: March 2010
2008 QX56

HOW TO READ WIRING DIAGRAMSGI-11
< HOW TO USE THIS MANUAL >
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DescriptionINFOID:0000000001539192
SWITCH POSITIONS
Switches are shown in wiring diagrams as if the vehicle is in the “normal” condition.
A vehicle is in the “normal” condition when:
Number Item Description
1 Power supply • This means the power supply of fusible link or fuse.
2 Fusible link • “X” means the fusible link.
3 Number of fusible link/
fuse • This means the number of fusible link or fuse location.
4 Fuse • “/” means the fuse.
5 Current rating of fus-
ible link/fuse • This means the current rating of the fusible link or fuse.
6 Optional splice • The open circle shows that the splice is optional depending on vehicle application.
7 Connector number • The letter shows which harness the connector is located in.
• Example “M”: main harness. For detail and to locate the connector, refer to
PG-62, "
Elec-
trical Units Location", PG-40, "Harness Layout".
8Splice • The shaded circle “ ” means the splice.
9 Page crossing • This circuit continues to an adjacent page.
10 Option abbreviation • This means the vehicle specifications which layouts the circuit between “ ”.
11 Relay • This shows an internal representation of the relay.
12 Option description • This shows a description of the option abbreviation used on the page.
13 Switch • This shows that continuity exists between terminals 1 and 2 when the switch is in the A
position. Continuity exists between terminals 1 and 3 when the switch is in the B position.
14 Circuit (Wiring) • This means the wiring.
15 System branch • This shows that the circuit is branched to other systems.
16 Shielded line • The line enclosed by broken line circle shows shield wire.
17 Component name • This shows the name of a component.
18 Ground (GND) • This shows the ground connection.
19 Connector • This means the connector information.
• This unit-side is described by the connector symbols.
20 Connectors • This means that a transmission line bypasses two connectors or more.
21 Wire color • This shows a code for the color of the wire.
B = Black
W = White
R = Red
G = Green
L = Blue
Y = Yellow
LG = Light Green BR = Brown
OR or O = Orange
P = Pink
PU or V (Violet) = Purple
GY or GR = Gray
SB = Sky Blue
CH = Dark Brown
DG = Dark Green
• When the wire color is striped, the base color is given first, followed by the stripe color as shown below:
Example: L/W = Blue with White Stripe
22 Terminal number • This means the terminal number of a connector.
Revision: March 2010 2008 QX56

ABBREVIATIONSGI-13
< HOW TO USE THIS MANUAL >
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Abbreviation ListINFOID:0000000001539193
The following ABBREVIATIONS are used:
ABBREVIATION DESCRIPTION
A/C Air Conditioner
A/T Automatic Transaxle/Transmission
ATF Automatic Transmission Fluid
D
1Drive range 1st gear
D
2Drive range 2nd gear
D
3Drive range 3rd gear
D
4Drive range 4th gear
FR, RR Front, Rear LH, RH Left-Hand, Right-Hand M/T Manual Transaxle/Transmission
OD Overdrive
P/S Power Steering
SAE Society of Automotive Engineers, Inc.
SDS Service Data and Specifications
SST Special Service Tools
2WD 2-Wheel Drive
2
22nd range 2nd gear
2
12nd range 1st gear
1
21st range 2nd gear
1
11st range 1st gear
Revision: March 2010 2008 QX56

RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS
GI-15
< HOW TO USE THIS MANUAL >
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O PRECOMMENDED CHEMICAL PRODUCTS AND SEALANTS
Recommended Chemical Products and SealantsINFOID:0000000001539195
Refer to the following chart for help in selecting the appropriate chemical product or sealant.
Product Description PurposeNissan North America
Part No. (USA) Nissan Canada Part
No. (Canada) Aftermarket Cross-
reference Part Nos.
1 Rear View Mirror Adhe-
sive Used to permanently re-
mount rear view mirrors to
windows.
999MP-AM000P 99998-50505
Permatex 81844
2 Anaerobic Liquid Gas-
ket For metal-to-metal flange
sealing.
Can fill a 0.38 mm (0.015
inch) gap and provide in-
stant sealing for most pow-
ertrain applications.
999MP-AM001P 99998-50503
Permatex 51813 and
51817
3 High Performance
Thread Sealant Provides instant sealing on
any threaded straight or
parallel threaded fitting.
(Thread sealant only, no
locking ability.)
• Do not use on plastic.
999MP-AM002P 999MP-AM002P Permatex 56521
4 Silicone RTV Gasket Maker
999MP-AM003P
(Ultra Grey)99998-50506
(Ultra Grey)Permatex Ultra Grey
82194;
Three Bond
1207,1215, 1216,
1217F, 1217G and
1217H
Nissan RTV Part No.
999MP-A7007
Gasket Maker for Maxima/
Quest 5-speed automatic
transmission
(RE5F22A) ––
Three Bond 1281B
or exact equivalent in
its quality
5 High Temperature,
High Strength Thread
Locking Sealant (Red)
Threadlocker
999MP-AM004P 999MP-AM004P Permatex 27200;
Three Bond 1360,
1360N, 1305 N&P,
1307N, 1335,
1335B, 1363B,
1377C, 1386B, D&E
and 1388
Loctite 648
6 Medium Strength
Thread Locking Seal-
ant (Blue) Threadlocker (service tool
removable)
999MP-AM005P 999MP-AM005P Permatex 24200,
24206, 24240,
24283 and 09178;
Three Bond 1322,
1322N, 1324 D&N,
1333D, 1361C,
1364D, 1370C and
1374
Revision: March 2010
2008 QX56

GI-18
< HOW TO USE THIS MANUAL >
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
Transmission range switch *** Park/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 cont rol module PCM ***
Programmable read only memory PROM ***
Pulsed secondary air injection control sole-
noid valve PAIRC 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 TVVThermal vacuum valve
Three way catalyst TWCCatalyst
Three way catalytic converter system TWC system ***
Three way + oxidation catalyst TWC + OCCatalyst
Three way + oxidation catalytic converter
system TWC + OC system
***
Throttle body TB Throttle 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 valve Lock-up cancel solenoid
Lock-up solenoid
NEW TERM
NEW ACRONYM /
ABBREVIATION OLD TERM
Revision: March 2010
2008 QX56