2007 INFINITI QX56 Factory Service Manual

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Page 2129 of 3061

INFINITI QX56 2007 Factory Service Manual INSTRUMENT PANEL ASSEMBLY
IP-17
< SERVICE INFORMATION >
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IP
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1. Remove mats from storage compartment and console bin.
2. Remove latch from console lid and remove

Page 2130 of 3061

INFINITI QX56 2007 Factory Service Manual IP-18
< SERVICE INFORMATION >
INSTRUMENT PANEL ASSEMBLY
Disassembly
1. Remove hinge cover.
2. Remove screws and remove lid assembly.
3. Remove screw and remove latch from lid assembly
1. Lid assembly

Page 2131 of 3061

INFINITI QX56 2007 Factory Service Manual INSTRUMENT PANEL ASSEMBLY
IP-19
< SERVICE INFORMATION >
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4. Remove screws and remove hinge.
5. Remove screws and separate rear upper console assembly and rear lower cons

Page 2132 of 3061

INFINITI QX56 2007 Factory Service Manual LAN-1
ELECTRICAL
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SECTION LAN
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LAN
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CONTENTS
LAN SYSTEM
CAN FUNDAMENTAL
SERVICE INFORMATION ............................
3
PRECAUTIONS .....................................

LAN-1
ELECTRICAL
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SECTION LAN
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LAN
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CONTENTS
LAN SYSTEM
CAN FUNDAMENTAL
SERVICE INFORMATION ............................
3
PRECAUTIONS ...................................................3
Precaution When Using CONSULT-II .......................3
Precaution for Trouble Diagnosis ..............................3
Precaution for Harness Repair ..................................3
SYSTEM DESCRIPTION .....................................4
CAN Communication System ....................................4
Diag on CAN .............................................................5
TROUBLE DIAGNOSIS ......................................7
Condition of Error Detection ......................................7
Symptom When Error Occurs in CAN Communi-
cation System ............................................................
7
Self-Diagnosis .........................................................10
CAN Diagnostic Support Monitor ............................10
TROUBLE DIAGNOSES WORK FLOW ............13
Information Needed for Trouble Diagnosis .............13
How to Use CAN Communication Signal Chart ......13
Trouble Diagnosis Flow Chart .................................14
Trouble Diagnosis Procedure ..................................14
CAN
SERVICE INFORMATION ...........................
36
INDEX FOR DTC ................................................36
DTC No. Index ........................................................36
HOW TO USE THIS SECTION ...........................37
Caution ....................................................................37
Abbreviation List ......................................................37
PRECAUTIONS ..................................................38
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
38
Precaution When Using CONSULT-II .....................38
Precaution for Trouble Diagnosis ............................38
Precaution for Harness Repair ................................38
TROUBLE DIAGNOSIS ....................................40
CAN Diagnostic Support Monitor .............................40
CAN System Specification Chart .............................44
CAN Communication Signal Chart ..........................44
Schematic ................................................................49
Wiring Diagram - CAN - ...........................................50
Interview Sheet ........................................................53
Data Sheet ...............................................................54
CAN System (Type 1) ..............................................57
CAN System (Type 2) ..............................................58
CAN System (Type 3) ..............................................59
CAN System (Type 4) ..............................................60
Component Parts Location ......................................61
Harness Layout .......................................................61
Malfunction Area Chart ............................................61
Main Line Between TCM and Driver Seat Control
Unit ..........................................................................
62
Main Line Between TCM and ICC Sensor ...............63
Main Line Between ICC Sensor and ICC Unit .........64
Main Line Between ICC Unit and Driver Seat Con-
trol Unit ....................................................................
65
Main Line Between Driver Seat Control Unit and
Data Link Connector ................................................
65
Main Line Between Data Link Connector and ABS
Actuator and Electric Unit (Control Unit) ..................
66
ECM Branch Line Circuit .........................................67
TCM Branch Line Circuit .........................................67
ICC Sensor Branch Line Circuit ...............................68
ICC Unit Branch Line Circuit ....................................69
Driver Seat Control Unit Branch Line Circuit ...........69
BCM Branch Line Circuit .........................................70
Display Control Unit Branch Line Circuit .................70
Data Link Connector Branch Line Circuit ................71
Front Air Control Branch Line Circuit .......................71
Combination Meter Branch Line Circuit ...................72
Steering Angle Sensor Branch Line Circuit .............72
Transfer Control Unit Branch Line Circuit ................73
ABS Actuator and Electric Unit (Control Unit)
Branch Line Circuit ..................................................
74

Page 2133 of 3061

INFINITI QX56 2007 Factory Service Manual LAN-2
IPDM E/R Branch Line Circuit ................................74CAN Communication Circuit ...................................75

Page 2134 of 3061

INFINITI QX56 2007 Factory Service Manual PRECAUTIONS
LAN-3
< SERVICE INFORMATION >[CAN FUNDAMENTAL]
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SERVICE INFORMATION
PRECAUTIONS
Precaution When Using CONSULT-IIINFOID:0000000003533606
Use CONSULT-II CONVE

Page 2135 of 3061

INFINITI QX56 2007 Factory Service Manual LAN-4
< SERVICE INFORMATION >[CAN FUNDAMENTAL]
SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
CAN Communication SystemINFOID:0000000003533609
• CAN communication is a multiplex communication system. This ena

Page 2136 of 3061

INFINITI QX56 2007 Factory Service Manual SYSTEM DESCRIPTION
LAN-5
< SERVICE INFORMATION >[CAN FUNDAMENTAL]
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CAN COMMUNICATION CONTROL CIRCUIT
*: These are the only control units wired with both ends of CAN com

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