2006 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2006 Factory Service Manual ATC-192
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: November 20092006 QX56

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INFINITI QX56 2006 Factory Service Manual AV-1
AUDIO, VISUAL, NAVIGATION & TELEPHONE SYS-TEM
K ELECTRICAL
CONTENTS
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PRECAUTIONS ............................................

AV-1
AUDIO, VISUAL, NAVIGATION & TELEPHONE SYS-TEM
K ELECTRICAL
CONTENTS
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Revision: November 2009 2006 QX56
PRECAUTIONS .....................................................
..... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
PREPARATION ...................................................... ..... 5
Commercial Service Tool .................................... ..... 5
AUDIO .................................................................... ..... 6
Component Parts and Harness Connector Location ..... 6
System Description ............................................. ..... 8
REAR AUDIO REMOTE CONTROL UNIT ...... ..... 8
SATELLITE RADIO TUNER (PRE-WIRING) ... ..... 9
SATELLITE RADIO TUNER (FACTORY
INSTALLED) .................................................... ..... 9
SPEED SENSITIVE VOLUME SYSTEM ......... ..... 9
Schematic ........................................................... ... 10
Wiring Diagram — AUDIO — .............................. .... 11
Terminals and Reference Value for Audio Unit .... ... 22
Terminals and Reference Value for BOSE Speaker
Amp. .................................................................... ... 25
Terminals and Reference Value for Rear Audio
Remote Control Unit ............................................ ... 28
Terminals and Reference Value for AV Switch .... ... 29
Terminals and Reference Value for Satellite Radio
Tuner (Factory Installed) ..................................... ... 30
AV Switch Self-Diagnosis Function ..................... ... 31
STARTING THE SELF-DIAGNOSIS MODE .... ... 31
EXITING THE SELF-DIAGNOSIS MODE ........ ... 31
DIAGNOSIS FUNCTION .................................. ... 31
Trouble Diagnosis ............................................... ... 32
MALFUNCTION WITH RADIO AND CD .......... ... 32
FOR RADIO ONLY ........................................... ... 32
FOR CD ONLY ................................................. ... 33
FOR SATELLITE RADIO TUNER (FACTORY
INSTALLED) ONLY .......................................... ... 33
Noise Inspection .................................................. ... 33
TYPE OF NOISE AND POSSIBLE CAUSE ..... ... 33
Power Supply Circuit Inspection ......................... ... 35
Satellite Radio Tuner (Factory Installed) Power and
Ground Supply Circuit Inspection ........................ ... 37
Satellite Radio Tuner (Factory Installed) Commu- nication Circuit Inspection ....................................
... 38
Satellite Radio Tuner (Factory Installed) Left Chan-
nel Audio Signal Circuit Inspection ...................... ... 40
Satellite Radio Tuner (Factory Installed) Right
Channel Audio Signal Circuit Inspection ............. ... 41
Steering Switch Check ......................................... ... 41
AV Switch Check ................................................. ... 43
Audio Communication Line Check ...................... ... 44
Sound Is Not Heard From Front Door Speaker or
Front Tweeter ...................................................... ... 44
Sound Is Not Heard From Rear Door Speaker or
Rear Door Tweeter ................................................. 48
Sound Is Not Heard From Center Speaker ......... ... 51
Sound Is Not Heard From Subwoofer .................... 52
Removal and Installation ..................................... ... 55
AUDIO UNIT ..................................................... ... 55
AV SWITCH ...................................................... ... 55
BOSE SPEAKER AMP. .................................... ... 55
CENTER SPEAKER ......................................... ... 56
FRONT DOOR SPEAKER ............................... ... 56
FRONT TWEETER .......................................... ... 56
REAR AUDIO REMOTE CONTROL UNIT ....... ... 57
REAR DOOR SPEAKER .................................. ... 57
REAR DOOR TWEETER ................................. ... 57
SATELLITE RADIO ANTENNA ........................ ... 58
SATELLITE RADIO TUNER ............................. ... 58
STEERING WHEEL AUDIO CONTROL
SWITCHES ...................................................... ... 59
SUBWOOFER .................................................. ... 59
AUDIO ANTENNA ................................................. ... 60
System Description .............................................. ... 60
Wiring Diagram — W/ANT — .............................. ... 61
Location of Antenna ............................................. ... 62
Window Antenna Repair ...................................... ... 62
ELEMENT CHECK ........................................... ... 62
ELEMENT REPAIR .......................................... ... 63
TELEPHONE .......................................................... ... 64
Component Parts and Harness Connector Location ... 64
System Description .............................................. ... 65
BLUETOOTH® HANDS-FREE PHONE SYS-

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INFINITI QX56 2006 Factory Service Manual AV-2Revision: November 20092006 QX56
TEM ..................................................................
... 65
Wiring Diagram — H/PHONE — ......................... ... 67
Terminals and Refere

AV-2Revision: November 20092006 QX56
TEM ..................................................................
... 65
Wiring Diagram — H/PHONE — ......................... ... 67
Terminals and Reference Value for Bluetooth Con-
trol Unit ................................................................... 69
Bluetooth Control Unit Self-Diagnosis Function .. ... 71
BLUETOOTH CONTROL UNIT INITIALIZATION
CHECKS ........................................................... ... 71
STARTING THE DIAGNOSTIC MODE ............ ... 71
Power Supply and Ground Circuit Check for Blue-
tooth Control Unit ................................................. ... 72
Removal and Installation ..................................... ... 73
BLUETOOTH CONTROL UNIT ........................ ... 73
BLUETOOTH ON INDICATOR ......................... ... 73
MICROPHONE ................................................. ... 73
DVD ENTERTAINMENT SYSTEM ......................... ... 75
Component Parts and Harness Connector Location ... 75
Description ........................................................... ... 76
Schematic ............................................................ ... 77
Wiring Diagram — DVD — .................................. ... 78
Trouble Diagnosis ................................................ ... 81
Power Supply Circuit Inspection .......................... ... 82
Removal and Installation ..................................... ... 83
DVD PLAYER ...................................................... 83
VIDEO MONITOR ............................................ ... 83
NAVIGATION SYSTEM .......................................... ... 84
System Description .............................................. ... 84
TRAVEL DISTANCE ......................................... ... 84
TRAVEL DIRECTION ....................................... ... 84
MAP-MATCHING .............................................. ... 85
GPS (GLOBAL POSITIONING SYSTEM) ....... ... 85
COMPONENT DESCRIPTION ......................... ... 86
CAN Communication System Description ........... ... 86
Component Parts Location .................................. ... 87
Schematic ............................................................ ... 88
Wiring Diagram — NAVI — .................................. ... 89
Schematic ............................................................ ... 96
Wiring Diagram — COMM — .............................. ... 97
Terminals and Reference Value for NAVI Control
Unit ...................................................................... .100
Terminals and Reference Value for Display Control
unit ....................................................................... .102
Terminals and Reference Value for Display unit .. .106
Terminals and Reference Value for AV Switch .... .108
Terminals and Reference Value for BCM ............. .109
On Board Self-Diagnosis Function ...................... ..111
DESCRIPTION ................................................. ..111
DIAGNOSIS ITEM ............................................ ..111
Self-Diagnosis Mode (DCU) ................................ .112
OPERATION PROCEDURE ............................. .112
SELF–DIAGNOSIS RESULT ............................ .113
Self-Diagnosis Mode (NAVI) ................................ .114
OPERATION PROCEDURE ............................. .114
SELF–DIAGNOSIS RESULT ............................ .115
Confirmation/Adjustment Mode ........................... .117
OPERATION PROCEDURE ............................. .117
DISPLAY DIAGNOSIS ...................................... .118
VEHICLE SIGNALS .......................................... .118
NAVIGATION .................................................... .119
DISPLAY DIAGNOSIS ...................................... .119VEHICLE SIGNALS ..........................................
.120
ERROR HISTORY ............................................ .120
DIAGNOSIS BY ERROR HISTORY ................. .120
NAVIGATION .................................................... .122
CAN DIAG SUPPORT MONITOR ....................... .124
OPERATION PROCEDURE ............................. .124
AV Switch Self-Diagnosis Function ...................... .125
Power Supply and Ground Circuit Check for NAVI
Control Unit .......................................................... .126
Power Supply and Ground Circuit Check for Display
Control Unit .......................................................... .127
Power Supply and Ground Circuit Check for Display
Unit ....................................................................... .128
Power Supply and Ground Circuit Check for AV
Switch .................................................................. .130
Vehicle Speed Signal Check for NAVI Control Unit .131
Vehicle Speed Signal Check for Display Control Unit .132
Illumination Signal Check for NAVI Control Unit .. .133
Illumination Signal Check for Display Control Unit .133
Ignition Signal Check for NAVI Control Unit ......... .133
Ignition Signal Check for Display Control Unit ..... .134
Reverse Signal Check for NAVI Control Unit ....... .134
Reverse Signal Check for Display Control Unit ... .134
AV Communication Line Check (Between Display
Control Unit and NAVI Control Unit) ..................... .135
Audio Communication Line Check (Between Dis-
play Control Unit and Audio Unit) ......................... .136
Display Communication Line Check (Between Dis-
play Control Unit and Display Unit) ...................... .138
AV Communication Line Check (Between Display
Control Unit and AV Switch) ................................. .139
CAN Communication Line Check ........................ .140
If NAVI Control Unit Detects That DVD-ROM Map
is Not Inserted ...................................................... .140
If NAVI Control Unit Detects That Inserted DVD-
ROM Map is Malfunctioning or If It is Impossible to
Load Data from DVD-ROM Map .......................... .141
If Connection Between NAVI Control Unit and GPS
Antenna is Malfunctioning .................................... .141
Operating Screen for Audio and A/C is Not Dis-
played When Showing NAVI Screen .................... .142
Color of RGB Image is Not Proper (Only NAVI
Screen Looks Bluish) ........................................... .143
Color of RGB Image is Not Proper (Only NAVI
Screen Looks Reddish) ........................................ .144
Color of RGB Image is Not Proper (Only NAVI
Screen Looks Yellowish) ...................................... .145
Color of RGB Image is Not Proper (All Screens Look
Bluish) .................................................................. .146
Color of RGB Image is Not Proper (All Screens Look
Reddish) ............................................................... .147
Color of RGB Image is Not Proper (All Screens Look
Yellowish) ............................................................. .148
NAVI Screen is Rolling ......................................... .150
Guide Sound is Not Heard ................................... .152
Screen is Not Shown ........................................... .153
A/C Screen is Not Shown (NAVI Screen is Shown) .153
FUEL ECONOMY Screen is Not Shown .............. .153
Average Fuel Economy Displayed is Not Shown (“

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INFINITI QX56 2006 Factory Service Manual AV-3
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Revision: November 2009 2006 QX56
*** ” is Shown) .....................................................
. 153
Distance to Empty Displayed is Not Shown (“ *** ”
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AV-3
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*** ” is Shown) .....................................................
. 153
Distance to Empty Displayed is Not Shown (“ *** ”
is Shown) ............................................................ . 154
Driving Distance or Average Speed Displayed is Not
Shown (“ *** ” is Shown) ...................................... . 154
WARNING DOOR OPEN Screen is Not Shown . . 154
Unable to Operate All of AV Switches (Unable to
Start Self-Diagnosis) ........................................... . 155
Audio Does Not Work .......................................... . 155
Navigation System Does Not Activate ................ . 155
Previous NAVI Conditions are Not Stored ........... . 156
Previous Vehicle Conditions are Not Stored ....... . 156
Position of Current Location Mark is Not Correct . 156
Radio Wave From GPS Satellite is Not Received . 156
Driving Test ......................................................... . 157
Example of Symptoms Judged Not Malfunction . . 158
BASIC OPERATION ........................................ . 158
VEHICLE MARK .............................................. . 158
DESTINATION, PASSING POINTS, AND MENU
ITEMS CANNOT BE SELECTED/SET ............ . 159
VOICE GUIDE .................................................. . 159
ROUTE SEARCH ............................................. . 160
EXAMPLES OF CURRENT-LOCATION MARK
DISPLACEMENT ............................................. . 161
CURRENT-LOCATION MARK SHOWS A POSI-
TION WHICH IS COMPLETELY WRONG ....... . 164CURRENT-LOCATION MARK JUMPS ............
.164
CURRENT-LOCATION MARK IS IN A RIVER OR
SEA .................................................................. .165
WHEN DRIVING ON SAME ROAD, SOME-
TIMES CURRENT-LOCATION MARK IS IN
RIGHT PLACE AND SOMETIMES IT IS WRONG
PLACE .............................................................. .165
LOCATION CORRECTION BY MAP-MATCH-
ING IS SLOW ................................................... .165
ALTHOUGH GPS RECEIVING DISPLAY IS
GREEN, VEHICLE MARK DOES NOT RETURN
TO CORRECT LOCATION ............................... .165
NAME OF CURRENT PLACE IS NOT DIS-
PLAYED ............................................................ .165
CONTENTS OF DISPLAY DIFFER FOR BIRD-
VIEW™ AND THE (FLAT) MAP SCREEN ....... .165
Program Loading of NAVI Control Unit ................ .166
Removal and Installation ..................................... .167
AV SWITCH ...................................................... .167
DISPLAY CONTROL UNIT ............................... .167
DISPLAY UNIT ................................................. .167
GPS ANTENNA ................................................ .167
NAVI CONTROL UNIT ..................................... .168
STEERING WHEEL AUDIO CONTROL
SWITCHES ...................................................... .168

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INFINITI QX56 2006 Factory Service Manual AV-4
PRECAUTIONS
Revision: November 20092006 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EKS00BI4
The Supplemental Re

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INFINITI QX56 2006 Factory Service Manual PREPARATIONAV-5
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Revision: November 2009 2006 QX56
PREPARATIONPFP:00002
Commercial Service ToolEKS00BI6
Tool nameDescription
Power tool Loosening bolts and nuts
PBIC0191E

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INFINITI QX56 2006 Factory Service Manual AV-6
AUDIO
Revision: November 20092006 QX56
AUDIOPFP:28111
Component Parts and Harness Connector LocationEKS00BI7
WKIA4561E

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INFINITI QX56 2006 Factory Service Manual AUDIOAV-7
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Revision: November 2009 2006 QX56
1. Fuse block (J/B)2. Fuse and fusible link box 3. Front tweeter LH
M109
4. Combination meter M24 5. Center speaker
M110 6. Displa

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