Infiniti F50. Manual — part 623
CAN COMMUNICATION
LAN-21
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
CAN COMMUNICATION
PFP:23710
System Description
EKS001PT
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.
FOR VDC MODELS
System diagram
Input/output signal chart
T: Transmit R: Receive
SKIA3762E
Signals
TCM
Combination
meter
Steering angle
sensor
VDC/TCS/ABS
control unit
ECM
Engine speed signal
R
R
R
T
Engine coolant temperature signal
R
R
T
Accelerator pedal position signal
R
R
T
Engine torque signal
R
R
T
Battery voltage signal
R
T
Closed throttle position signal
R
T
Wide open throttle position signal
R
T
Lock-up prohibition signal
R
T
Torque-down permission signal
R
T
Fuel consumption monitor signal
R
T
Lock-up signal
T
R
Hard deceleration signal
T
R
Torque-down signal
T
R
Power mode indicator signal
T
R
A/T fluid temperature warning lamp signal
T
R
R
Current gear position signal
T
R
R
R
R
T
Next gear position signal
T
R
R
Shift change signal
T
R
R
Shift pattern signal
T
R
VDC system control signal
T
R
VDC operation signal
T
R
Stop lamp switch signal
R
T
Steering wheel angle sensor signal
R
T
R
R
LAN-22
[CAN]
CAN COMMUNICATION
FOR ICC MODELS
System diagram
Input/output signal chart
T: Transmit R: Receive
Air conditioner switch signal
T
R
Headlamp switch signal
T
R
Rear window defogger switch signal
T
R
OD cancel switch signal
R
T
R
Brake switch signal
R
T
Power mode switch signal
R
T
Vehicle speed signal
R
R
T
R
T
R
T
R
Signals
TCM
Combination
meter
Steering angle
sensor
VDC/TCS/ABS
control unit
ECM
SKIA3763E
Signals
TCM
Combina-
tion meter
Steering
angle
sensor
ICC unit
ICC sen-
sor
VDC/
TCS/ABS
control
unit
ECM
ICC system display signal
R
T
ICC sensor signal
R
T
Engine speed signal
R
R
R
R
T
Engine coolant temperature signal
R
R
T
Accelerator pedal position signal
R
R
T
Engine torque signal
R
R
T
Battery voltage signal
R
T
Closed throttle position signal
R
R
T
Lock-up prohibition signal
R
T
Torque-down permission signal
R
T
Fuel consumption monitor signal
R
T
Lock-up signal
T
R
Hard deceleration signal
T
R
Torque-down signal
T
R
Power mode indicator signal
T
R
A/T fluid temperature warning lamp signal
T
R
R
Current gear position signal
T
R
R
R
R
T
Next gear position signal
T
R
R
CAN COMMUNICATION
LAN-23
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Shift change signal
T
R
R
Shift pattern signal
T
R
R
VDC system control signal
T
R
VDC operation signal
R
T
R
Stop lamp switch signal
R
T
Steering wheel angle sensor signal
R
T
R
R
Air conditioner switch signal
T
R
Headlamp switch signal
T
R
Rear window defogger switch signal
T
R
OD cancel switch signal
R
T
R
Brake switch signal
R
T
Power mode switch signal
R
T
Vehicle speed signal
R
R
R
T
R
T
R
T
R
R
Signals
TCM
Combina-
tion meter
Steering
angle
sensor
ICC unit
ICC sen-
sor
VDC/
TCS/ABS
control
unit
ECM
LAN-24
[CAN]
CAN SYSTEM (FOR VDC MODELS)
CAN SYSTEM (FOR VDC MODELS)
PFP:47850
System Description
EKS003L7
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
EKS003L8
SKIA3772E
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