2007 INFINITI FX35 wiring diagram

ATC-2Revision: 2006 July 2007 FX35/FX45
A/C SWITCH ....................................................
... 35
MODE SWITCH ................................................ ... 35
FAN SWITCH ................................................... ... 35
DUAL SWITCH ................................................. ... 35
Fail-safe Function ................................................ ... 36
Discharge Air Flow .............................................. ... 37
System Description .............................................. ... 38
SWITCHES AND THEIR CONTROL FUNCTION ... 38
CAN Communication System Description ........... ... 39
TROUBLE DIAGNOSIS ......................................... ... 40
CONSULT-II Function (BCM) ............................... ... 40
CONSULT-II BASIC OPERATION .................... ... 40
DATA MONITOR ............................................... ... 40
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ................................................... ... 40
WORK FLOW ................................................... ... 40
SYMPTOM TABLE ........................................... ... 41
Component Parts and Harness Connector Location ... 42
ENGINE COMPARTMENT ............................... ... 42
PASSENGER COMPARTMENT ....................... ... 43
Schematic ............................................................ ... 44
Wiring Diagram — A/C — .................................... ... 45
Auto Amp. Terminals and Reference Value ......... ... 50
PIN CONNECTOR TERMINAL LAYOUT ......... ... 50
TERMINALS AND REFERENCE VALUE FOR
UNIFIED METER AND A/C AMP. ..................... ... 50
Self-diagnosis Function ....................................... ... 52
DESCRIPTION ................................................. ... 52
FUNCTION CONFIRMATION PROCEDURE ... ... 53
AUXILIARY MECHANISM: TEMPERATURE
SETTING TRIMMER ........................................ ... 58
AUXILIARY MECHANISM: FOOT POSITION
SETTING TRIMMER ........................................ ... 59
AUXILIARY MECHANISM: INLET PORT MEM-
ORY FUNCTION .............................................. ... 59
Operational Check ............................................... ... 60
CHECKING MEMORY FUNCTION .................. ... 60
CHECKING BLOWER ...................................... ... 60
CHECKING DISCHARGE AIR ......................... ... 60
CHECKING INTAKE AIR .................................. ... 60
CHECKING TEMPERATURE DECREASE ...... ... 60
CHECKING TEMPERATURE INCREASE ....... ... 60
CHECKING A/C SWITCH ................................ ... 61
CHECKING AUTO MODE ................................ ... 61
Power Supply and Ground Circuit for Auto Amp. ... 62 INSPECTION FLOW ........................................ ... 62
COMPONENT DESCRIPTION ......................... ... 62
DIAGNOSIS PROCEDURE FOR A/C SYSTEM ... 63
LAN System Circuit ............................................. ... 64
DIAGNOSIS PROCEDURE FOR LAN CIRCUIT ... 64
Mode Door Motor Circuit ..................................... ... 68
INSPECTION FLOW ........................................ ... 68
SYSTEM DESCRIPTION ................................. ... 69
COMPONENT DESCRIPTION ......................... ... 70
DIAGNOSIS PROCEDURE FOR MODE DOOR
MOTOR ............................................................ ... 70
Air Mix Door Motor Circuit ................................... ... 71
INSPECTION FLOW ........................................ ... 71 SYSTEM DESCRIPTION ..................................
... 72
COMPONENT DESCRIPTION ......................... ... 73
DIAGNOSIS PROCEDURE FOR AIR MIX DOOR
MOTOR ............................................................. ... 73
Air Mix Door Motor PBR Circuit ........................... ... 73
DIAGNOSIS PROCEDURE FOR AIR MIX DOOR
MOTOR PBR .................................................... ... 73
Intake Door Motor Circuit ..................................... ... 74
INSPECTION FLOW ......................................... ... 74
SYSTEM DESCRIPTION .................................. ... 75
COMPONENT DESCRIPTION ......................... ... 76
DIAGNOSIS PROCEDURE FOR INTAKE DOOR
MOTOR ............................................................. ... 76
Blower Motor Circuit ............................................. ... 77
INSPECTION FLOW ......................................... ... 77
SYSTEM DESCRIPTION .................................. ... 78
COMPONENT DESCRIPTION ......................... ... 79
DIAGNOSIS PROCEDURE FOR BLOWER
MOTOR ............................................................. ... 79
COMPONENT INSPECTION ............................ ... 81
Magnet Clutch Circuit ........................................... ... 82
INSPECTION FLOW ......................................... ... 82
SYSTEM DESCRIPTION .................................. ... 83
DIAGNOSIS PROCEDURE FOR MAGNET
CLUTCH ........................................................... ... 83
COMPONENT INSPECTION ............................ ... 89
Insufficient Cooling ............................................... ... 90
INSPECTION FLOW ......................................... ... 90
PERFORMANCE TEST DIAGNOSIS ............... ... 92
PERFORMANCE CHART ................................. ... 94
TROUBLE DIAGNOSIS FOR UNUSUAL PRES-
SURE ................................................................ ... 95
DIAGNOSIS PROCEDURE FOR INSUFFI-
CIENT COOLING .............................................. ... 97
Insufficient Heating .............................................. ... 99
INSPECTION FLOW ......................................... ... 99
Noise .................................................................... .100
INSPECTION FLOW ......................................... .100
Self-diagnosis ...................................................... .101
INSPECTION FLOW ......................................... .101
Memory Function ................................................. .102
INSPECTION FLOW ......................................... .102
Ambient Sensor Circuit ........................................ .103
COMPONENT DESCRIPTION ......................... .103
AMBIENT TEMPERATURE INPUT PROCESS .103
DIAGNOSIS PROCEDURE FOR AMBIENT
SENSOR ........................................................... .103
COMPONENT INSPECTION ............................ .105
In-vehicle Sensor Circuit ...................................... .106
COMPONENT DESCRIPTION ......................... .106
DIAGNOSIS PROCEDURE FOR IN-VEHICLE
SENSOR ........................................................... .107
COMPONENT INSPECTION ............................ .108
Sunload Sensor Circuit ........................................ .109
COMPONENT DESCRIPTION ......................... .109
SUNLOAD INPUT PROCESS .......................... .109
DIAGNOSIS PROCEDURE FOR SUNLOAD
SENSOR ........................................................... .109

TROUBLE DIAGNOSIS ATC-45
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Revision: 2006 July 2007 FX35/FX45
Wiring Diagram — A/C —NJS000DY
TJWM0254E

AV-1
AUDIO VISUAL, NAVIGATION & TELEPHONE SYS- TEM
K ELECTRICAL
CONTENTS
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AV
Revision: 2006 July 2007 FX35/FX45
AUDIO VISUAL, NAVIGATION & TELEPHONE SYSTEM
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
PREPARATION ...................................................... ..... 5
Commercial Service Tools ................................... ..... 5
AUDIO .................................................................... ..... 6
System Description ............................................. ..... 6
AUDIO SYSTEM .............................................. ..... 6
SPEED SENSITIVE VOLUME SYSTEM ......... ..... 7
Component Parts Location .................................. ..... 7
Schematic — AUDIO — / With Navigation System ..... 8
Wiring Diagram — AUDIO — / With Navigation Sys-
tem ...................................................................... ..... 9
Schematic — AUDIO — Without Navigation System ... 19
Wiring Diagram — AUDIO — / Without Navigation
System ................................................................ ... 20
Terminals and Reference Value for Audio Unit .... ... 29
Terminals and Reference Value for BOSE Speaker
Amp. .................................................................... ... 31
Terminals and Reference Value for A/C and AV
Switch .................................................................. ... 33
Terminals and Reference Value for Woofer ......... ... 34
Terminals and Reference Value for Satellite Radio
Tuner ................................................................... ... 34
A/C and AV Switch Self-Diagnosis Function ....... ... 35
STARTING THE SELF-DIAGNOSIS MODE .... ... 35
DIAGNOSIS FUNCTION .................................. ... 35
EXITING THE SELF-DIAGNOSIS MODE ........ ... 35
Trouble Diagnosis ............................................... ... 36
Power Supply Circuit Inspection ......................... ... 37
Audio Steering Wheel Switch Inspection ............. ... 38
A/C and AV Switch Inspection ............................. ... 40
BOSE Speaker Amp. Inspection ......................... ... 40
Vehicle Speed Signal Inspection ......................... ... 41
Locking CD Auto-Changer Mechanism ............... ... 42
DAMPER LOCK PROCEDURE ....................... ... 42
Removal and Installation of Audio Unit ............... ... 43
REMOVAL ........................................................ ... 43
INSTALLATION ................................................ ... 43 Disassembly and Assembly for Audio Unit ..........
... 43
DISASSEMBLY ................................................ ... 43
ASSEMBLY ...................................................... ... 43
Removal and Installation for A/C and AV Switch . ... 44
REMOVAL ........................................................ ... 44
INSTALLATION ................................................ ... 44
Removal and Installation for Front Door Speaker ... 44
REMOVAL ........................................................ ... 44
INSTALLATION ................................................ ... 44
Removal and Installation for Rear Door Speaker ... 44 REMOVAL ........................................................ ... 44
INSTALLATION ................................................ ... 44
Removal and Installation for Instrument Speaker ... 45 REMOVAL ........................................................ ... 45
INSTALLATION ................................................ ... 45
Removal and Installation for Tweeter .................. ... 45
REMOVAL ........................................................ ... 45
INSTALLATION ................................................ ... 45
Removal and Installation for Woofer (BOSE Sys-
tem) ..................................................................... ... 45
REMOVAL ........................................................ ... 45
INSTALLATION ................................................ ... 45
Removal and Installation for BOSE Speaker Amp. ... 46
REMOVAL ........................................................ ... 46
INSTALLATION ................................................ ... 46
Removal and Installation of Satellite Radio Tuner ... 47
REMOVAL ........................................................ ... 47
INSTALLATION ................................................ ... 47
Removal and Installation of Satellite Radio Antenna ... 47
REMOVAL ........................................................ ... 47
INSTALLATION ................................................ ... 47
ANTENNA .............................................................. ... 48
System Description .............................................. ... 48
Wiring Diagram — M/ANT — .............................. ... 49
Terminals and Reference Value for Audio Unit .... ... 50
Antenna Amp. Inspection .................................... ... 50
Location of Antenna ............................................. ... 51
RADIO ANTENNA AND GPS ANTENNA ......... ... 51
SATELLITE RADIO ANTENNA ........................ ... 51
Window Antenna Repair ...................................... ... 52

AV-2Revision: 2006 July 2007 FX35/FX45
CHECK ELEMENT ...........................................
... 52
Removal and Installation of Roof Antenna .......... ... 53
REMOVAL ........................................................ ... 53
INSTALLATION ................................................. ... 53
Removal and Installation of Satellite Radio Antenna ... 53
INTEGRATED DISPLAY SYSTEM ......................... ... 54
System Description .............................................. ... 54
INTEGRATED DISPLAY SYSTEM ................... ... 54
Component Description ....................................... ... 55
DISPLAY CONTROL UNIT ............................... ... 55
DISPLAY ........................................................... ... 55
A/C AND AV SWITCH ...................................... ... 55
CAN Communication Unit .................................... ... 55
Component Parts Location .................................. ... 55
Schematic — INF/D — ........................................ ... 56
Wiring Diagram — INF/D — ................................ ... 57
Schematic — COMM — ...................................... ... 63
Wiring Diagram — COMM — .............................. ... 64
Terminals and Reference Value for Display Control
Unit ...................................................................... ... 69
Terminals and Reference Value for Display ......... ... 72
Terminals and Reference Value for A/C and AV
Switch .................................................................. ... 74
Special Note for Trouble Diagnosis ..................... ... 75
On Board Self-Diagnosis Function ...................... ... 75
DESCRIPTION ................................................. ... 75
DIAGNOSIS ITEM ............................................ ... 75
Self-Diagnosis Mode (DCU) ................................ ... 76
OPERATION PROCEDURE ............................. ... 76
SELF-DIAGNOSIS RESULT ............................ ... 77
Confirmation/Adjustment Mode ........................... ... 79
OPERATION PROCEDURE ............................. ... 79
DISPLAY DIAGNOSIS ...................................... ... 80
VEHICLE SIGNALS .......................................... ... 80
AUTO CLIMATE CONTROL ............................. ... 81
CAN DIAG SUPPORT MONITOR ....................... ... 81
OPERATION PROCEDURE ............................. ... 81
A/C and AV Switch Self-Diagnosis Function ........ ... 82
STARTING THE SELF-DIAGNOSIS MODE ..... ... 82
DIAGNOSIS FUNCTION .................................. ... 82
EXITING THE SELF-DIAGNOSIS MODE ........ ... 82
CAN Communication Check ................................ ... 83
Unable to Operate System with A/C and AV Switch ... 84
All Images Are Not Displayed .............................. ... 86
Tint Is Strange for The RGB Image ..................... ... 88
RGB Image Is Rolling .......................................... ... 90
Values for All Items in The TRIP Screen Do Not
Change ................................................................ ... 91
Values for Items, “Driving Distance” and “Average
Speed” Do Not Change ....................................... ... 91
Values for All Items in The FUEL ECONOMY Screen
Do Not Change .................................................... ... 91
Example of Symptoms Possible No Malfunction . ... 92
DISPLAY ........................................................... ... 92
Removal and Installation of Display ..................... ... 92
Removal and Installation of Display Control Unit . ... 92
REMOVAL ........................................................ ... 92
INSTALLATION ................................................. ... 92
Removal and Installation of A/C and AV Switch .. ... 92 NAVIGATION SYSTEM ..........................................
... 93
System Description .............................................. ... 93
NAVIGATION SYSTEM .................................... ... 94
Component Description ....................................... ... 97
NAVI CONTROL UNIT ...................................... ... 97
GPS ANTENNA ................................................ ... 97
DISPLAY CONTROL UNIT ............................... ... 97
DISPLAY ........................................................... ... 98
A/C AND AV SWITCH ....................................... ... 98
CAN Communication Unit .................................... ... 98
Component Parts Location .................................. ... 98
Schematic — NAVI — .......................................... ... 99
Wiring Diagram — NAVI — .................................. .100
Schematic — COMM — ....................................... .107
Wiring Diagram — COMM — ............................... .108
Terminals and Reference Value for NAVI Control
Unit ....................................................................... .113
Terminals and Reference Value for Display Control
Unit ....................................................................... .115
Terminals and Reference Value for Display ......... .119
Terminals and Reference Value for A/C and AV
Switch .................................................................. .121
Special Note for Trouble Diagnosis ...................... .122
On Board Self-Diagnosis Function ....................... .122
DESCRIPTION ................................................. .122
DIAGNOSIS ITEM ............................................ .122
Self-Diagnosis Mode (DCU) ................................. .123
OPERATION PROCEDURE ............................. .123
SELF-DIAGNOSIS RESULT ............................. .124
Self-Diagnosis Mode (NAVI) ................................ .126
OPERATION PROCEDURE ............................. .126
SELF-DIAGNOSIS RESULT ............................. .128
Confirmation/Adjustment Mode ............................ .129
OPERATION PROCEDURE ............................. .129
DISPLAY DIAGNOSIS ...................................... .130
VEHICLE SIGNALS .......................................... .130
AUTO CLIMATE CONTROL ............................. .131
NAVIGATION .................................................... .131
CAN DIAG SUPPORT MONITOR ....................... .136
OPERATION PROCEDURE ............................. .136
A/C and AV Switch Self-Diagnosis Function ........ .137
STARTING THE SELF-DIAGNOSIS MODE ..... .137
DIAGNOSIS FUNCTION .................................. .137
EXITING THE SELF-DIAGNOSIS MODE ........ .137
CAN Communication Check ................................ .138
Unable to Operate System with A/C and AV Switch .139
All Images Are Not Displayed .............................. .141
Status Screen for Audio and A/C Is Not Displayed
When Showing Map Screen ................................ .143
Vehicle Mark Is Not Displayed Properly ............... .144
Tint Is Strange for The RGB Image ...................... .145
Tint Is Strange for The RGB Image (Only NAVI
Screen) ................................................................ .147
RGB Image Is Rolling .......................................... .149
Values for All Items in The TRIP Screen Do Not
Change ................................................................ .150
Values for Items, “Driving Distance” and “Average
Speed” Do Not Change ........................................ .150
Values for All Items in The FUEL ECONOMY Screen

AV-3
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Revision: 2006 July 2007 FX35/FX45
Do Not Change ...................................................
. 150
Voice Guidance Is Not Heard .............................. . 151
Example of Symptoms Possible No Malfunction . . 152
BASIC OPERATIONS ...................................... . 152
VEHICLE MARKS ............................................ . 152
DVD-ROM ........................................................ . 153
ROUTE CALCULATION AND VISUAL GUID-
ANCE ............................................................... . 153
VOICE GUIDANCE .......................................... . 154
Removal and Installation of NAVI Control Unit .... . 155
REMOVAL ........................................................ . 155
INSTALLATION ................................................ . 155
Removal and Installation of GPS Antenna .......... . 155
REMOVAL ........................................................ . 155
INSTALLATION ................................................ . 155
Removal and Installation of A/C and AV Switch .. . 156
Removal and Installation of Display Unit ............. . 156
Removal and Installation of Display Control Unit . 156
INFINITI MOBILE ENTERTAINMENT SYSTEM ... . 157
System Description ............................................. . 157
Component Parts Location .................................. . 158
Wiring Diagram – MES – ..................................... . 159
Terminals and Reference Value for DVD Player . . 161
Terminals and Reference Value for DVD Display . 162
DVD Player Does Not Work ................................ . 164
Screen Is Not Shown (While Sounds Come Out of
an Audio Speaker, Did Not Do of a Head Phone) . 166
Screen Is not Shown (Sounds Come Out of Both
an Audio Speaker and a Head Phone) ............... . 167
Head Phone Does Not Sound ............................. . 168
Remote Controller Does Not Work ...................... . 169
No CD·DVD Sound From All Speakers ............... . 170
Removal and Installation for DVD Player ............ . 172 REMOVAL ........................................................
.172
INSTALLATION ................................................ .172
Removal and Installation for DVD Display Unit ... .172
REMOVAL ........................................................ .172
INSTALLATION ................................................ .173
TELEPHONE .......................................................... .174
System Description .............................................. .174
HANDS-FREE PHONE SYSTEM ..................... .174
Component Parts Location .................................. .175
Schematic ............................................................ .176
Wiring Diagram — H/PHON — ............................ .177
Terminals and Reference Value for TEL Adapter
Unit ...................................................................... .182
Self-Diagnosis Function ....................................... .183
OPERATION PROCEDURE ............................. .184
Basic Inspection of Hands-Free Phone ............... .186
Audio Steering Wheel Switch Does Not Operate . 186
Voice Activated Control Function Does Not Operate .188
TEL VOICE GUIDANCE IS HEARD WHEN
PRESSING AUDIO STEERING WHEEL
SWITCH ........................................................... .188
TEL VOICE GUIDANCE IS NOT HEARD WHEN
PRESSING AUDIO STEERING WHEEL
SWITCH ........................................................... .189
Removal and Installation of TEL Adapter Unit ..... .191
REMOVAL ........................................................ .191
INSTALLATION ................................................ .191
Removal and Installation for TEL Antenna .......... .191
REMOVAL ........................................................ .191
INSTALLATION ................................................ .191
Removal and Installation of Microphone ............. .191
REMOVAL ........................................................ .191
INSTALLATION ................................................ .191

AUDIO AV-9
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Revision: 2006 July 2007 FX35/FX45
Wiring Diagram — AUDIO — / With Navigation SystemNKS003AM
TKWM4383E

AV-20
AUDIO
Revision: 2006 July 2007 FX35/FX45
Wiring Diagram — AUDIO — / Without Navigation SystemNKS003AO
TKWM4394E

ANTENNA AV-49
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Revision: 2006 July 2007 FX35/FX45
Wiring Diagram — M/ANT —NKS003LQ
TKWM4403E