2006 INFINITI FX35 diagram

LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
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SECTION LAN
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LAN
Revision: 2006 December 2006 FX35/FX45
LAN SYSTEM
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 AWD CONTROL UNIT ... 18
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ICC UNIT .................... ... 19
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR INTELLIGENT KEY UNIT ... 20
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR BCM ............................ ... 21
DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN FOR LDW CAMERA UNIT ...
... 22
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR UNIFIED METER AND A/
C AMP. .............................................................. ... 23
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ABS ACTUATOR AND
ELECTRIC UNIT (CONTROL UNIT) ................ ... 24
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DRIVER SEAT CON-
TROL UNIT ...................................................... ... 24
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR IPDM E/R .................... ... 25
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DISPLAY CONTROL
UNIT ................................................................. ... 26
CAN COMMUNICATION ........................................ ... 27
System Description .............................................. ... 27
Component Parts and Harness Connector Location ... 27
Schematic ............................................................ ... 28
Wiring Diagram — CAN — .................................. ... 29
CAN Communication Unit .................................... ... 32
TYPE 1/TYPE 2 ................................................ ... 33
TYPE 3 ............................................................. ... 36
TYPE 4/TYPE 5 ................................................ ... 40
TYPE 6 ............................................................. ... 44
CAN SYSTEM (TYPE 1) ........................................ ... 49
Component Parts and Harness Connector Location ... 49
Schematic ............................................................ ... 49
Wiring Diagram — CAN — .................................. ... 49
Check Sheet ........................................................ ... 50
CHECK SHEET RESULTS (EXAMPLE) .......... ... 52
CAN SYSTEM (TYPE 2) ........................................ ... 69
Component Parts and Harness Connector Location ... 69
Schematic ............................................................ ... 69
Wiring Diagram — CAN — .................................. ... 69
Check Sheet ........................................................ ... 70
CHECK SHEET RESULTS (EXAMPLE) .......... ... 73
CAN SYSTEM (TYPE 3) ........................................ ... 91
Component Parts and Harness Connector Location ... 91
Schematic ............................................................ ... 91

LAN-2Revision: 2006 December 2006 FX35/FX45 Wiring Diagram — CAN — ..................................
... 91
Check Sheet ........................................................ ... 92
CHECK SHEET RESULTS (EXAMPLE) .......... ... 96
CAN SYSTEM (TYPE 4) ........................................ .117
Component Parts and Harness Connector Location .117
Schematic ............................................................ .117
Wiring Diagram — CAN — .................................. .117
Check Sheet ........................................................ .118
CHECK SHEET RESULTS (EXAMPLE) .......... .121
CAN SYSTEM (TYPE 5) ........................................ .139
Component Parts and Harness Connector Location .139
Schematic ............................................................ .139
Wiring Diagram — CAN — .................................. .139
Check Sheet ........................................................ .140
CHECK SHEET RESULTS (EXAMPLE) .......... .144
CAN SYSTEM (TYPE 6) ........................................ .163
Component Parts and Harness Connector Location .163
Schematic ............................................................ .163
Wiring Diagram — CAN — .................................. .163
Check Sheet ........................................................ .164
CHECK SHEET RESULTS (EXAMPLE) .......... .168
TROUBLE DIAGNOSIS FOR SYSTEM ................. .190
Inspection Between TCM and Data Link Connector
Circuit .................................................................. .190
Inspection Between Data Link Connector and Uni- fied Meter and A/C Amp. Circuit ..........................
.190
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit ................................................................... .190
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit .191
ECM Circuit Inspection ........................................ .192
TCM Circuit Inspection ......................................... .193
Display Control Unit Circuit Inspection ................. .193
AWD Control Unit Circuit Inspection .................... .194
ICC Unit Circuit Inspection ................................... .194
Intelligent Key Unit Circuit Inspection .................. .195
Data Link Connector Circuit Inspection ................ .195
BCM Circuit Inspection ........................................ .196
Steering Angle Sensor Circuit Inspection ............. .196
LDW Camera Unit Circuit Inspection ................... .197
Unified Meter and A/C Amp. Circuit Inspection .... .197
ICC Sensor Circuit Inspection .............................. .198
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................. .198
Driver Seat Control Unit Circuit Inspection .......... .199
IPDM E/R Circuit Inspection ................................ .199
CAN Communication Circuit Inspection ............... .200
IPDM E/R Ignition Relay Circuit Inspection .......... .201

CAN COMMUNICATION LAN-29
[CAN]
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LAN
Revision: 2006 December 2006 FX35/FX45
Wiring Diagram — CAN —NKS003MO
TKWM4450E

CAN COMMUNICATION LAN-33
[CAN]
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LAN
Revision: 2006 December 2006 FX35/FX45
TYPE 1/TYPE 2
System Diagram

Ty pe 1

Ty pe 2
Input/Output Signal Chart
T: Transmit R: Receive
PKIC9663E
PKIC9635E
Signals ECM TCM Dis-
play
control unit Intelli-
gent Key unit BCM St e e r-
ing
angle
sensor Unified
meter
and A/
C amp. ABS
actua-
tor and
electric unit
(con-
trol
unit) Driver
seat
control unit IPDM
E/R
A/C compressor feedback sig-
nal TR
A/C compressor request signal T R
Accelerator pedal position sig-
nal TR R
ASCD CRUISE lamp signal T R
ASCD OD cancel request sig-
nal TR

LAN-36
[CAN]
CAN COMMUNICATION
Revision: 2006 December 2006 FX35/FX45
TYPE 3
System Diagram

Ty p e 3
Input/Output Signal Chart
T: Transmit R: Receive
VDC OFF switch signal
T
VDC operation signal T
Front wiper stop position signal R T
High beam status signal R T
Hood switch signal R T
Low beam status signal R T
Rear window defogger control
signal RR R T
Signals ECM TCM
Dis-
play
control unit Intelli-
gent
Key unit BCM Steer-
ing
angle
sensor Unified
meter
and A/
C amp. ABS
actua-
tor and
electric
unit
(con- trol
unit) Driver
seat
control unit IPDM
E/R
PKIB4200E
Signals ECM TCM Dis-
play
con- trol
unit ICC
unit Intelli-
gent Key
unit BCM St e e r-
ing
angle sen- sor LDW
cam- era
unit Uni-
fied
meter and
A/C
amp. ICC
sen- sor ABS
actu- ator
and
elec- tric
unit
(con- trol
unit) Driver
seat
con- trol
unit IPDM
E/R
A/C compressor feed-
back signal TR
A/C compressor request
signal T
R
Accelerator pedal posi-
tion signal TR R R
ASCD OD cancel
request signal TR

LAN-40
[CAN]
CAN COMMUNICATION
Revision: 2006 December 2006 FX35/FX45
TYPE 4/TYPE 5
System Diagram

Ty p e 4

Ty p e 5
High beam status signal R T
Hood switch signal R T
Low beam status signal R T
Rear window defogger
control signal RR R T
Signals ECM TCM
Dis-
play
con-
trol
unit ICC
unit Intelli-
gent Key unit BCM St e e r-
ing
angle
sen- sor LDW
cam- era
unit Uni-
fied
meter and
A/C
amp. ICC
sen-
sor ABS
actu- ator and
elec- tric
unit
(con- trol
unit) Driver
seat
con-
trol
unit IPDM
E/R
PKIC9663E
PKIC9636E

LAN-44
[CAN]
CAN COMMUNICATION
Revision: 2006 December 2006 FX35/FX45
TYPE 6
System Diagram

Ty p e 6
Input/Output Signal Chart
T: Transmit R: Receive
PKIB4174E
Signals ECM TCM Dis-
play
con- trol
unit AW D
con-
trol
unit ICC
unit Intel-
ligent
Key unit BCM Steer-
ing
angle sen-
sor LDW
cam-
era
unit Uni-
fied
meter
and
A/C
amp. ICC
sen- sor ABS
actu-
ator and
elec-
tric
unit
(con-
trol
unit) Driver
seat
con- trol
unit IPDM
E/R
A/C compressor
feedback signal TR
A/C compressor
request signal T
R
Accelerator pedal
position signal TR R R R
ASCD OD cancel
request signal TR
ASCD operation sig-
nal TR
Battery voltage sig-
nal TR
Closed throttle posi-
tion signal TR R
Cooling fan speed
request signal T
R
Engine coolant tem-
perature signal TR
Engine speed signal T R R R R R R
Engine status signal T R
Fuel consumption
monitor signal TR
RT

CAN SYSTEM (TYPE 1) LAN-49
[CAN]
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LAN
Revision: 2006 December 2006 FX35/FX45
CAN SYSTEM (TYPE 1)PFP:23710
Component Parts and Harness Connector LocationNKS0034E
Refer to LAN-27, "Component Parts and Harness Connector Location"
SchematicNKS0034F
Refer to LAN-28, "Schematic"
Wiring Diagram — CAN —NKS0034G
Refer to LAN-29, "Wiring Diagram — CAN —"