Nissan Pathfinder (2006 year). Manual — part 283
CAN COMMUNICATION
LAN-25
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2006 Pathfinder
CAN COMMUNICATION
PFP:23710
System Description
UKS000NU
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.
Component Parts and Harness Connector Location
UKS0051T
1.
IPDM E/R E122
2.
ECM E16
3.
Display control unit M95 (with NAVI)
4.
Combination meter M24
5.
BCM M18
6.
ABS actuator and electric unit (con-
trol unit) E125
7.
Transfer control unit M152
(with 4-wheel drive)
8.
Data link connector M22
9.
Steering angle sensor M47
10. Driver seat control unit P2
(with automatic drive positioner)
11.
Air bag diagnosis sensor unit M35
12. A/T assembly F9
13. Front air control M50 (with auto A/C)
BKIA0199E
LAN-26
[CAN]
CAN COMMUNICATION
2006 Pathfinder
Schematic
UKS0051U
BKWA0659E
CAN COMMUNICATION
LAN-27
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2006 Pathfinder
Wiring Diagram — CAN —
UKS0051V
BKWA0660E
LAN-28
[CAN]
CAN COMMUNICATION
2006 Pathfinder
BKWA0661E
CAN COMMUNICATION
LAN-29
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2006 Pathfinder
BKWA0662E
LAN-30
[CAN]
CAN COMMUNICATION
2006 Pathfinder
CAN Communication Unit
UKS000NV
Go to CAN system, when selecting your CAN system type from the following table.
×
: Applicable
NOTE:
Confirming the presence of the following items helps to identify CAN system type.
●
With All-mode 4WD
●
With automatic air conditioner
●
With automatic drive positioner
Body type
Wagon
Axle
2WD
4WD(Part time)
4WD(All-mode)
Engine
VQ40DE
Transmission
A/T
Brake control
VDC
Automatic air conditioner
×
×
×
×
×
×
×
Automatic drive positioner
×
×
×
×
Navigation system
×
×
CAN system type
1
2
3
4
5
6
7
8
9
10
CAN system trouble diagnosis
SKIB6462E
BKIA0204E
BKIA0172E
CAN COMMUNICATION
LAN-31
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
2006 Pathfinder
●
With navigation system
TYPE 1/TYPE 2/TYPE 3/TYPE 4
System diagram
●
Type 1
●
Type 2
BKIA0173E
PKIC4973E
PKIC4974E
LAN-32
[CAN]
CAN COMMUNICATION
2006 Pathfinder
●
Type 3
●
Type 4
Input/output signal chart
T: Transmit R: Receive
PKIC4975E
PKIC4976E
Signals
ECM
TCM
Dis-
play
control
unit
*1
Front
air con-
trol
*2
Steer-
ing
angle
sensor
BCM
Combi-
nation
meter
Driver
seat
control
unit
*3
ABS
actua-
tor and
elec-
tric unit
(con-
trol
unit)
IPDM
E/R
A/C compressor request signal
T
R
Accelerator pedal position signal
T
R
R
ASCD CRUISE lamp signal
T
R
ASCD OD cancel request
T
R
ASCD operation signal
T
R
ASCD SET lamp signal
T
R
Battery voltage signal
T
R
Closed throttle position signal
T
R
Cooling fan speed request signal
T
R
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