2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006 Factory Service Manual IP-16
INSTRUMENT PANEL ASSEMBLY
Revision: November 20092006 QX56
Center ConsoleEIS007XB
REMOVAL AND INSTALLATION
WIIA0923E

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INFINITI QX56 2006 Factory Service Manual INSTRUMENT PANEL ASSEMBLYIP-17
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Revision: November 2009 2006 QX56
Removal
1. Move front seats forward.
2. Disconnect battery negative terminal.
3. Remove control device. Refer

INSTRUMENT PANEL ASSEMBLYIP-17
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Revision: November 2009 2006 QX56
Removal
1. Move front seats forward.
2. Disconnect battery negative terminal.
3. Remove control device. Refer to AT- 2 2 6 , "
Control Device Removal and Installation" .
4. Remove glove box assembly. Refer to IP-14, "
Lower Instrument Panel RH and Glove Box" .
5. Remove center console lower cover RH.
6. Remove console cover RH screws.
7. Remove center console lower cover LH.
8. Remove console cover LH screws.
9. Disconnect center console electrical connectors.
10. Remove center console assembly in a rearward direction.
Installation
Installation is in the reverse order of removal.
Center ConsoleEIS007X7
DISASSEMBLY AND ASSEMBLY
Disassembly
1. Remove mats from storage compartment and console bin.
2. Remove latch from console lid and remove key cylinder from latch.
3. Remove console lid.
4. Remove console bin.
5. Disconnect electrical harness from DVD player (if equipped).
6. Remove hinge.
7. Remove rear upper finisher.
8. Remove rear cup holder assembly.
9. Remove rear finisher assembly.
10. Disconnect rear finisher assembly electrical connectors.
11. Remove console power socket.
12. Remove upper side finishers LH/RH.
13. Remove heat duct and console rear duct.
14. Disconnect clips and remove console covers LH/RH.
15. Remove mask and storage compartment.
16. Remove console front bracket.
17. Remove console rear bracket.
ASSEMBLY
Assembly is in the reverse order of disassembly.
1. Console lid assembly 2. A/T finisher 3. Tray
4. Storage compartment 5. Storage compartment mask 6. Console reinforcement assembly
7. Center console lower cover LH 8. Console front bracket 9. Lower side finisher LH
10. Console cover LH 11. Rear console duct 12. Power socket assembly
13. Rear cup holder assembly 14. Rear finisher assembly 15. Console rear bracket
16. Heat duct 17. Rear upper finisher 18. Console bin mat
19. Console bin 20. Console cover RH 21. Center console lower cover RH
22. Lower side finisher RH 23. A/T transmission control 24. Mask
25. Cup holder insert

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INFINITI QX56 2006 Factory Service Manual IP-18
INSTRUMENT PANEL ASSEMBLY
Revision: November 20092006 QX56
Rear ConsoleEIS007XC
REMOVAL AND INSTALLATION
1. Lid assembly2. Lid latch 3. Console bin
4. Cup holder insert 5. Rear upper console ass

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INFINITI QX56 2006 Factory Service Manual INSTRUMENT PANEL ASSEMBLYIP-19
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Revision: November 2009 2006 QX56
Removal
1. Remove cup holder insert.
2. Release latch and remove rear console assembly.
Installation
Installa

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INFINITI QX56 2006 Factory Service Manual IP-20
INSTRUMENT PANEL ASSEMBLY
Revision: November 20092006 QX56

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INFINITI QX56 2006 Factory Service Manual LAN-1
LAN SYSTEM
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CONTENTS
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Revision: November 2009 2006 QX56
CAN
PRECAUTIONS .......................................................... 3
Precautions f

LAN-1
LAN SYSTEM
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CONTENTS
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CAN
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions When Using CONSULT-II ................ ..... 3
CHECK POINTS FOR USING CONSULT-II .... ..... 3
Precautions For Trouble Diagnosis ..................... ..... 3
CAN SYSTEM ....................................................... 3
Precautions For Harness Repair ......................... ..... 4
CAN SYSTEM ....................................................... 4
TROUBLE DIAGNOSES WORK FLOW ............... ..... 5
When Displaying CAN Communication System
Errors .................................................................. ..... 5
WHEN A MALFUNCTION IS DETECTED BY
CAN COMMUNICATION SYSTEM .................. ..... 5
WHEN A MALFUNCTION IS DETECTED
EXCEPT CAN COMMUNICATION SYSTEM ... ..... 5
TROUBLE DIAGNOSIS FLOW CHART .......... ..... 6
Diagnosis Procedure ........................................... ..... 7
SELECTING CAN SYSTEM TYPE (HOW TO
USE SPECIFICATION TABLE) ........................ ..... 7
ACQUISITION OF DATA BY CONSULT-II ....... ..... 8
HOW TO USE CHECK SHEET TABLE ........... ..... 9
CAN Diagnostic Support Monitor ........................ ... 16
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ECM ............................ ... 16
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR TCM ............................ ... 17
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ICC UNIT .................... ... 18
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DRIVER SEAT CON-
TROL UNIT ...................................................... ... 19
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR BCM ............................ ... 20
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR FRONT AIR CONTROL ... 21
DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN FOR TRANSFER CONTROL
UNIT .................................................................
... 22
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ABS ACTUATOR AND
ELECTRIC UNIT (CONTROL UNIT) ................ ... 23
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR IPDM E/R .................... ... 24
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DISPLAY CONTROL
UNIT ................................................................. ... 25
CAN COMMUNICATION ........................................ ... 26
System Description .............................................. ... 26
Component Parts and Harness Connector Location ... 26
Schematic ............................................................ ... 27
Wiring Diagram — CAN — .................................. ... 28
CAN Communication Unit ....................................... 31 TYPE1/TYPE2 .................................................. ... 31
TYPE 3/TYPE4 .................................................... 35
CAN SYSTEM (TYPE 1) ........................................... 39 Component Parts and Harness Connector Location ... 39
Schematic ............................................................ ... 39
Wiring Diagram — CAN — .................................. ... 39
Check Sheet ........................................................... 40 CHECK SHEET RESULTS (EXAMPLE) .......... ... 42
CAN SYSTEM (TYPE 2) ........................................... 57 Component Parts and Harness Connector Location ... 57
Schematic ............................................................ ... 57
Wiring Diagram — CAN — .................................. ... 57
Check Sheet ........................................................... 58 CHECK SHEET RESULTS (EXAMPLE) .......... ... 60
CAN SYSTEM (TYPE 3) ........................................... 79 Component Parts and Harness Connector Location ... 79
Schematic ............................................................ ... 79
Wiring Diagram — CAN — .................................. ... 79
Check Sheet ........................................................... 80 CHECK SHEET RESULTS (EXAMPLE) .......... ... 82
CAN SYSTEM (TYPE 4) ........................................... 98 Component Parts and Harness Connector Location ... 98
Schematic ............................................................ ... 98

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INFINITI QX56 2006 Factory Service Manual LAN-2Revision: November 20092006 QX56
Wiring Diagram — CAN — ..................................
... 98
Check Sheet ........................................................... 99 CHECK SHEET RESU

LAN-2Revision: November 20092006 QX56
Wiring Diagram — CAN — ..................................
... 98
Check Sheet ........................................................... 99 CHECK SHEET RESULTS (EXAMPLE) .......... .102
TROUBLE DIAGNOSIS FOR SYSTEM ................. .123
Inspection Between TCM and ICC Sensor Circuit .123
Inspection Between TCM and Driver Seat Control
Unit Circuit ........................................................... .124
Inspection Between ICC Sensor and ICC Unit Cir-
cuit ....................................................................... .125
Inspection Between ICC Unit and Driver Seat Con-
trol Unit Circuit ..................................................... .126
Inspection Between Driver Seat Control Unit and
Data Link Connector Circuit ................................. .126
Inspection Between Data Link Connector and ABS
Actuator and Electric Unit (Control Unit) Circuit ... .127
ECM Circuit Inspection ........................................ .128TCM Circuit Inspection .........................................
.129
ICC Sensor Circuit Inspection .............................. .129
ICC Unit Circuit Inspection ................................... .130
Driver Seat Control Unit Circuit Inspection .......... .130
Combination Meter Circuit Inspection .................. .131
Display Control Unit Circuit Inspection ................. .131
BCM Circuit Inspection ........................................ .132
Data Link Connector Circuit Inspection ................ .132
Steering Angle Sensor Circuit Inspection ............. .133
Front Air Control Circuit Inspection ...................... .133
Transfer Control Unit Circuit Inspection ............... .134
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................. .134
IPDM E/R Circuit Inspection ................................ .135
CAN Communication Circuit Inspection ............... .135
IPDM E/R Ignition Relay Circuit Inspection .......... .137

Page 2272 of 3383

INFINITI QX56 2006 Factory Service Manual PRECAUTIONSLAN-3
[CAN]
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Revision: November 2009 2006 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSION

PRECAUTIONSLAN-3
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Revision: November 2009 2006 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
UKS0017I
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 per-
formed by an authorized NISSAN/INFINITI dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal 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
harness connectors.
Precautions When Using CONSULT-IIUKS0017J
When connecting CONSULT-II to data link connector, connect them through CONSULT-II CONVERTER.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
CHECK POINTS FOR USING CONSULT-II
1. Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?
–If YES, GO TO 2.
–If NO, GO TO 5.
2. Is there any indication other than indications relating to CAN communication system in the self-diagnosis results?
–If YES, GO TO 3.
–If NO, GO TO 4.
3. Based on self-diagnosis results unrelated to CAN communication, carry out the inspection.
4. Malfunctions may be detected in self-diagnosis depending on control units carrying out CAN communica- tion. Therefore, erase the self-diagnosis results.
5. Diagnose CAN communication system. Refer to LAN-5, "
TROUBLE DIAGNOSES WORK FLOW" .
Precautions For Trouble DiagnosisUKS0017K
CAN SYSTEM
Do not apply voltage of 7.0 V or higher to the measurement terminals.
Use the tester with its open terminal voltage being 7.0 V or less.
Be sure to turn ignition switch OFF and disconnect the battery cable from the negative terminal before
checking the circuit.

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