LAN-4Revision: 2006 January2006 M35/M45 AV Control Unit Circuit Inspection .........................405
Data Link Connector Circuit Inspection ................405
RAS Control Unit Circuit Inspection ......................406
Pre-Crash Seat Belt Control Unit Circuit Inspection .406
Driver Seat Control Unit Circuit Inspection ...........407
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection .............................................................407
IPDM E/R Circuit Inspection .................................408
CAN Communication Circuit Inspection ................409
IPDM E/R Ignition Relay Circuit Inspection ..........416
CAN SYSTEM (TYPE 9) .........................................417
Component Parts and Harness Connector Location .417
Schematic .............................................................418
Wiring Diagram — CAN — ...................................419
Check Sheet .........................................................423
CHECK SHEET RESULTS (EXAMPLE) ...........426
Inspection Between TCM and Data Link Connector
Circuit ...................................................................447
Inspection Between Data Link Connector and RAS
Control Unit Circuit ...............................................448
Inspection Between RAS Control Unit and Pre-
Crash Seat Belt Control Unit Circuit .....................449
Inspection Between Pre-Crash Seat Belt Control
Unit and Driver Seat Control Unit Circuit ..............449
Inspection Between Driver seat control unit and ABS
Actuator and Electric Unit (Control Unit) Circuit ....450
ECM Circuit Inspection .........................................450
TCM Circuit Inspection .........................................451
AFS Control Unit Circuit Inspection ......................452
BCM Circuit Inspection .........................................452
Low Tire Pressure Warning Control Unit Circuit
Inspection .............................................................453
Steering Angle Sensor Circuit Inspection .............453
Intelligent Key Unit Circuit Inspection ...................454
Unified Meter and A/C Amp. Circuit Inspection ....454
NAVI Control Unit Circuit Inspection .....................455
Data Link Connector Circuit Inspection ................455
RAS Control Unit Circuit Inspection ......................456
Pre-Crash Seat Belt Control Unit Circuit Inspection .456
Driver Seat Control Unit Circuit Inspection ...........457
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection .............................................................457
IPDM E/R Circuit Inspection .................................458
CAN Communication Circuit Inspection ................459
IPDM E/R Ignition Relay Circuit Inspection ..........466
CAN SYSTEM (TYPE 10) .......................................467
Component Parts and Harness Connector Location .467
Schematic .............................................................468
Wiring Diagram — CAN — ...................................469
Check Sheet .........................................................473
CHECK SHEET RESULTS (EXAMPLE) ...........476
Inspection Between TCM and Data Link Connector
Circuit ...................................................................500
Inspection Between Data Link Connector and RAS
Control Unit Circuit ...............................................501
Inspection Between RAS Control Unit and Pre-
Crash Seat Belt Control Unit Circuit .....................502
Inspection Between Pre-Crash Seat Belt Control
Unit and Driver Seat Control Unit Circuit ..............502Inspection Between Driver Seat Control Unit and
ABS Actuator and Electric Unit (Control Unit) Circuit .503
Inspection Between ABS Actuator and Electric Unit
and ICC Sensor Integrated Unit Circuit .................504
ECM Circuit Inspection .........................................504
TCM Circuit Inspection ......................................... .505
AFS Control Unit Circuit Inspection ......................505
BCM Circuit Inspection .........................................506
LDW Camera Unit Circuit Inspection ....................506
Low Tire Pressure Warning Control Unit Circuit
Inspection ..............................................................507
Steering Angle Sensor Circuit Inspection ..............507
Intelligent Key Unit Circuit Inspection ...................508
Unified Meter and A/C Amp. Circuit Inspection .....508
NAVI Control Unit Circuit Inspection .....................509
Data Link Connector Circuit Inspection .................509
RAS Control Unit Circuit Inspection ......................510
Pre-Crash Seat Belt Control Unit Circuit Inspection .510
Driver Seat Control Unit Circuit Inspection ...........511
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ..............................................................511
ICC Sensor Integrated Unit Circuit Inspection ......512
IPDM E/R Circuit Inspection .................................512
CAN Communication Circuit Inspection ................513
IPDM E/R Ignition Relay Circuit Inspection ...........520
CAN SYSTEM (TYPE 11) ........................................521
Component Parts and Harness Connector Location .521
Schematic .............................................................522
Wiring Diagram — CAN — ...................................523
Check Sheet .........................................................526
CHECK SHEET RESULTS (EXAMPLE) ............529
Inspection Between TCM and Data Link Connector
Circuit ....................................................................546
Inspection Between Data Link Connector and Driver
Seat Control Unit Circuit .......................................547
Inspection Between Driver Seat Control Unit and
ABS Actuator and Electric Unit (Control Unit) Circuit .548
ECM Circuit Inspection .........................................549
TCM Circuit Inspection ......................................... .549
AWD Control Unit Circuit Inspection .....................550
BCM Circuit Inspection .........................................550
Low Tire Pressure Warning Control Unit Circuit
Inspection ..............................................................551
Steering Angle Sensor Circuit Inspection ..............551
Intelligent Key Unit Circuit Inspection ...................552
Unified Meter and A/C Amp. Circuit Inspection .....552
AV Control Unit Circuit Inspection .........................553
Data Link Connector Circuit Inspection ................
.553
Driver Seat Control Unit Circuit Inspection ...........554
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ..............................................................554
IPDM E/R Circuit Inspection .................................555
CAN Communication Circuit Inspection ................556
IPDM E/R Ignition Relay Circuit Inspection ...........563
CAN SYSTEM (TYPE 12) ........................................564
Component Parts and Harness Connector Location .564
Schematic .............................................................565
Wiring Diagram — CAN — ...................................566
Check Sheet .........................................................569
LAN-5
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45 CHECK SHEET RESULTS (EXAMPLE) ...........572
Inspection Between TCM and Data Link Connector
Circuit ...................................................................589
Inspection Between Data Link Connector and Driver
Seat Control Unit Circuit ......................................
.590
Inspection Between Driver Seat Control Unit and
ABS Actuator and Electric Unit (Control Unit) Circuit .591
ECM Circuit Inspection .........................................592
TCM Circuit Inspection .........................................592
AWD Control Unit Circuit Inspection ....................593
BCM Circuit Inspection .........................................593
Low Tire Pressure Warning Control Unit Circuit
Inspection .............................................................594
Steering Angle Sensor Circuit Inspection .............594
Intelligent Key Unit Circuit Inspection ...................595
Unified Meter and A/C Amp. Circuit Inspection ....595
NAVI Control Unit Circuit Inspection .....................596
Data Link Connector Circuit Inspection ................596
Driver Seat Control Unit Circuit Inspection ...........597
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection .............................................................597
IPDM E/R Circuit Inspection .................................598
CAN Communication Circuit Inspection ...............599
IPDM E/R Ignition Relay Circuit Inspection ..........606
CAN SYSTEM (TYPE 13) .......................................607
Component Parts and Harness Connector Location .607
Schematic ............................................................608
Wiring Diagram — CAN — ...................................609
Check Sheet .........................................................613
CHECK SHEET RESULTS (EXAMPLE) ...........616
Inspection Between TCM and Data Link Connector
Circuit ...................................................................636
Inspection Between Data Link Connector and Pre-
Crash Seat Belt Control Unit Circuit .....................637
Inspection Between Pre-Crash Seat Belt Control
Unit and Driver Seat Control Unit Circuit ..............638
Inspection Between Driver Seat Control Unit and
ABS Actuator and Electric Unit (Control Unit) Circuit .638
ECM Circuit Inspection .........................................639
TCM Circuit Inspection .........................................640
AWD Control Unit Circuit Inspection ....................640
AFS Control Unit Circuit Inspection ......................641
BCM Circuit Inspection .........................................641
Low Tire Pressure Warning Control Unit Circuit
Inspection .............................................................642
Steering Angle Sensor Circuit Inspection .............642
Intelligent Key Unit Circuit Inspection ...................643
Unified Meter and A/C Amp. Circuit Inspection ....643
AV Control Unit Circuit Inspection ........................644
Data Link Connector Circuit Inspection ................644
Pre-Crash Seat Belt Control Unit Circuit Inspection .645
Driver Seat Control Unit Circuit Inspection ...........645
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection .............................................................646
IPDM E/R Circuit Inspection .................................646
CAN Communication Circuit Inspection ...............647
IPDM E/R Ignition Relay Circuit Inspection ..........655
CAN SYSTEM (TYPE 14) .......................................656
Component Parts and Harness Connector Location .656Schematic .............................................................657
Wiring Diagram — CAN — ...................................658
Check Sheet .........................................................662
CHECK SHEET RESULTS (EXAMPLE) ...........665
Inspection Between TCM and Data Link Connector
Circuit ...................................................................685
Inspection Between Data Link Connector and Pre-
Crash Seat Belt Control Unit Circuit .....................686
Inspection Between Pre-Crash Seat Belt Control
Unit and Driver Seat Control Unit Circuit ..............687
Inspection Between Driver Seat Control Unit and
ABS Actuator and Electric Unit (Control Unit) Circuit .687
ECM Circuit Inspection .........................................688
TCM Circuit Inspection .........................................689
AWD Control Unit Circuit Inspection .....................689
AFS Control Unit Circuit Inspection ......................690
BCM Circuit Inspection .........................................690
Low Tire Pressure Warning Control Unit Circuit
Inspection .............................................................691
Steering Angle Sensor Circuit Inspection .............691
Intelligent Key Unit Circuit Inspection ...................692
Unified Meter and A/C Amp. Circuit Inspection ....692
NAVI Control Unit Circuit Inspection .....................693
Data Link Connector Circuit Inspection ................693
Pre-Crash Seat Belt Control Unit Circuit Inspection .694
Driver Seat Control Unit Circuit Inspection ...........694
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection .............................................................695
IPDM E/R Circuit Inspection .................................695
CAN Communication Circuit Inspection ...............696
IPDM E/R Ignition Relay Circuit Inspection ..........704
CAN SYSTEM (TYPE 15) .......................................705
Component Parts and Harness Connector Location .705
Schematic .............................................................706
Wiring Diagram — CAN — ...................................707
Check Sheet .........................................................711
CHECK SHEET RESULTS (EXAMPLE) ...........714
Inspection Between TCM and Data Link Connector
Circuit ...................................................................737
Inspection Between Data Link Connector and Pre-
Crash Seat Belt Control Unit Circuit .....................738
Inspection Between Pre-Crash Seat Belt Control
Unit and Driver Seat Control Unit Circuit ..............739
Inspection Between Driver Seat Control Unit and
ABS Actuator and Electric Unit (Control Unit) Circuit .739
Inspection Between ABS Actuator and Electric Unit
and ICC Sensor Integrated Unit Circuit ................740
ECM Circuit Inspection .........................................741
TCM Circuit Inspection .........................................741
AWD Control Unit Circuit Inspection .....................742
AFS Control Unit Circuit Inspection ......................742
BCM Circuit Inspection .........................................743
LDW Camera Unit Circuit Inspection ....................743
Low Tire Pressure Warning Control Unit Circuit
Inspection .............................................................744
Steering Angle Sensor Circuit Inspection .............744
Intelligent Key Unit Circuit Inspection ...................745
Unified Meter and A/C Amp. Circuit Inspection ....745
NAVI Control Unit Circuit Inspection .....................746
LAN-34
[CAN]
CAN COMMUNICATION
Revision: 2006 January2006 M35/M45
CAN COMMUNICATIONPFP:23710
System DescriptionNKS003XV
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
CAN Communication UnitNKS003XW
Go to CAN system, when selecting your CAN system type from the following table.
: Applicable
SYSTEM DIAGRAM
Ty pe 1
Body typeSedan
Axle 2WD AWD
Engine VQ35DE/VK45DE VQ35DE
TransmissionA/T
Brake controlVDC
Navigation system
Pre-crash seat belt
Adaptive front-lighting system
ICC system
Lane departure warning
Rear active steer
CAN system type 12 3456789101112131415
CAN system trouble diagnosisLA
N-
48
LA
N-
89
LA
N-
130
LA
N-
177
LA
N-
224
LA
N-
275
LA
N-
321
LA
N-
367
LA
N-
417
LA
N-
467
LA
N-
521
LA
N-
564
LA
N-
607
LA
N-
656
LA
N-
705
PKIB8588E
LAN-50
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 January2006 M35/M45
Wiring Diagram — CAN —NKS003XZ
TKWT3248E
CAN SYSTEM (TYPE 2)
LAN-91
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Wiring Diagram — CAN —NKS003YK
TKWT3252E
LAN-132
[CAN]
CAN SYSTEM (TYPE 3)
Revision: 2006 January2006 M35/M45
Wiring Diagram — CAN —NKS003Z5
TKWT3256E
CAN SYSTEM (TYPE 4)
LAN-179
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
Revision: 2006 January2006 M35/M45
Wiring Diagram — CAN —NKS003ZT
TKWT3261E
LAN-226
[CAN]
CAN SYSTEM (TYPE 5)
Revision: 2006 January2006 M35/M45
Wiring Diagram — CAN —NKS0040H
TKWT3266E