2011 INFINITI QX56 wiring diagram

DLN-1
TRANSMISSION & DRIVELINE
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SECTION DLN
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CONTENTS
DRIVELINE
TRANSFER: ATX90A
PRECAUTION ................ ...............................
6
PRECAUTIONS .............................................. .....6
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
6
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .....................................
6
Service Notice or Precautions for Transfer ...............7
PREPARATION ............................................8
PREPARATION .............................................. .....8
Special Service Tools .......................................... ......8
Commercial Service Tools ........................................8
SYSTEM DESCRIPTION .............................10
COMPONENT PARTS ................................... ....10
Component Parts Location .................................. ....10
Component Description ...........................................11
Transfer Control Unit ...............................................11
Transfer Control Actuator ........................................11
Transfer Hi-Lo Position Sensor ...............................12
Transfer Rotary Position Sensor .............................12
Transfer Lock Position Sensor ................................12
Transfer Fluid Temperature Sensor ........................12
STRUCTURE AND OPERATION .......................13
Sectional View ..................................................... ....13
Torque Split Mechanism .........................................13
SYSTEM .............................................................18
4WD SYSTEM ...........................................................18
4WD SYSTEM : System De scription ......................18
4WD SYSTEM : Fail-Safe ......................... ..............20
DIAGNOSIS SYSTEM (TRANSFER CON-
TROL UNIT) .................................................... ....
21
CONSULT-III Function ........................................ ....21
ECU DIAGNOSIS INFORMATION ..............24
TRANSFER CONTROL UNIT ...........................24
Reference Value .................................................. ....24
Fail-Safe ..................................................................28
DTC Inspection Priority Chart ..................................29
DTC Index ...............................................................29
WIRING DIAGRAM ......................................31
4WD SYSTEM .. ................................ .................31
Wiring Diagram .................................................... ....31
BASIC INSPECTION ...................................38
DIAGNOSIS AND REPAIR WORK FLOW .......38
Work Flow ............................................................ ....38
Diagnostic Work Sheet ............................................39
ADDITIONAL SERVICE WHEN REPLACING
TRANSFER CONTROL UNIT ...........................
41
Description ...............................................................41
Work Procedure .......................................................41
ADDITIONAL SERVICE WHEN REPLACING
TRANSFER ASSEMBLY ..................................
42
Description ...............................................................42
Work Procedure .......................................................42
TRANSFER LOCK POSITION SENSOR
LEARNING ....................................... .................
44
Description ........................................................... ....44
Work Procedure .......................................................44
TRANSFER ROTARY POSITION SENSOR
LEARNING ....................................... .................
46
Description ........................................................... ....46
Work Procedure .......................................................46
TRANSFER FLUID VISCOSITY LEARNING ....47
Description ...............................................................47
Revision: 2010 May2011 QX56

4WD SYSTEMDLN-31
< WIRING DIAGRAM > [TRANSFER: ATX90A]
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WIRING DIAGRAM
4WD SYSTEM
Wiring DiagramINFOID:0000000006222231
JCDWM1069GB
Revision: 2010 May2011 QX56

DLN-32
< WIRING DIAGRAM >[TRANSFER: ATX90A]
4WD SYSTEM
JCDWM1070GB
Revision: 2010 May2011 QX56

4WD SYSTEMDLN-33
< WIRING DIAGRAM > [TRANSFER: ATX90A]
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DLN
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JCDWM1071GB
Revision: 2010 May2011 QX56

DLN-34
< WIRING DIAGRAM >[TRANSFER: ATX90A]
4WD SYSTEM
JCDWM1072GB
Revision: 2010 May2011 QX56

4WD SYSTEMDLN-35
< WIRING DIAGRAM > [TRANSFER: ATX90A]
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DLN
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JCDWM1073GB
Revision: 2010 May2011 QX56

DLN-36
< WIRING DIAGRAM >[TRANSFER: ATX90A]
4WD SYSTEM
JCDWM1074GB
Revision: 2010 May2011 QX56

4WD SYSTEMDLN-37
< WIRING DIAGRAM > [TRANSFER: ATX90A]
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DLN
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JCDWM1075GB
Revision: 2010 May2011 QX56