Page 3307 of 4449
![INFINITI FX35 2004 Service Manual LAN-6
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
CAN COMMUNICATIONPFP:23710
System DescriptionAKS00BZ5
CAN (Controller Area Network) is a serial communication line for real time ap INFINITI FX35 2004 Service Manual LAN-6
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
CAN COMMUNICATIONPFP:23710
System DescriptionAKS00BZ5
CAN (Controller Area Network) is a serial communication line for real time ap](/manual-img/42/57021/w960_57021-3306.png)
LAN-6
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
CAN COMMUNICATIONPFP:23710
System DescriptionAKS00BZ5
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 UnitAKS00BZ6
Go to CAN system, when selecting your CAN system type from the following table.
×: Applicable
TYPE 1/TYPE2
System diagram
Ty p e 1
Body typeWagon
Axle 2WD AWD
Engine VQ35DE VQ35DE/VK45DE
TransmissionA/T
Brake controlVDC
Navigation system××
Low tire pressure warning system××
ICC system××
Intelligent Key system××
Automatic drive positioner×× ××
CAN system type 1 2 3 4 5 6
CAN system trouble diagnosisLAN-21
LAN-52LAN-87LAN-133LAN-167LAN-206
SKIA6171E
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Ty pe 2
Input/output signal chart
T: Transmit R: Receive
SKIA6172E
Signals ECM TCMDis-
play
unitBCMS INFINITI FX35 2004 Service Manual CAN COMMUNICATION
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Ty pe 2
Input/output signal chart
T: Transmit R: Receive
SKIA6172E
Signals ECM TCMDis-
play
unitBCMS](/manual-img/42/57021/w960_57021-3307.png)
CAN COMMUNICATION
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Ty pe 2
Input/output signal chart
T: Transmit R: Receive
SKIA6172E
Signals ECM TCMDis-
play
unitBCMSte er-
ing
angle
sensorUnified
meter
and
A/C
amp.ABS
actua-
tor and
electric
unit
(con-
trol
unit)Driver
seat
control
unitIPDM
E/R
Engine speed signal T R R R R
Engine status signal T R
Engine coolant temperature signal T R
A/T self-diagnosis signal R T
Accelerator pedal position signal T R R
Closed throttle position signal T R
Wide open throttle position signal T R
Battery voltage signal T R
Key switch signal T R
Ignition switch signal T R R
P range signal T R R
Stop lamp switch signal R T
Fuel consumption monitor signalTR
RT
Turbine revolution signal R T
Output shaft revolution signal R T
A/C switch signal R T
A/C compressor request signal TR
A/C compressor feedback signal T R
Blower fan motor switch signal R T
A/C switch/indicator signalTR
RT
Cooling fan speed request signal TR
Page 3309 of 4449
![INFINITI FX35 2004 Service Manual LAN-8
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Position light request signal R T R R
Low beam request signal T R
Low beam status signal RT
High beam request signal T R R
High bea INFINITI FX35 2004 Service Manual LAN-8
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Position light request signal R T R R
Low beam request signal T R
Low beam status signal RT
High beam request signal T R R
High bea](/manual-img/42/57021/w960_57021-3308.png)
LAN-8
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Position light request signal R T R R
Low beam request signal T R
Low beam status signal RT
High beam request signal T R R
High beam status signal RT
Front fog light request signal T R
Day time running light request signal T R
Turn LED burnout status signal R T
Vehicle speed signalRT
RRRR T R
Sleep wake up signal T R R
Door switch signal R T R R R
Turn indicator signal T R
Key fob ID signal T R
Key fob door unlock signal T R
Oil pressure switch signalRT
TR
Buzzer output signal T R
Fuel level sensor signal R T
Fuel level low warning signal R T
ASCD SET lamp signal T R
ASCD CRUISE lamp signal T R
Malfunction indicator lamp signal T R
ASCD operation signal T R
ASCD OD cancel request signal T R
Front wiper request signal T R
Front wiper stop position signal R T
Rear window defogger switch signal T R
Rear window defogger control signal R R R T
Hood switch signal R T
Theft warning horn request signal T R
Horn chirp signal T R
Steering angle sensor signal T R
ABS warning lamp signalRT
VDC OFF indicator lamp signal R T
SLIP indicator lamp signalRT
Brake warning lamp signal R T
System setting signalTR R
RT T
A/T CHECK indicator lamp signal T RSignals ECM TCMDis-
play
unitBCMSteer-
ing
angle
sensorUnified
meter
and
A/C
amp.ABS
actua-
tor and
electric
unit
(con-
trol
unit)Driver
seat
control
unitIPDM
E/R
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TYPE 3
System diagram
Ty pe 3
Input/output signal chart
T: Transmit R: Receive A/T position indicator INFINITI FX35 2004 Service Manual CAN COMMUNICATION
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TYPE 3
System diagram
Ty pe 3
Input/output signal chart
T: Transmit R: Receive A/T position indicator](/manual-img/42/57021/w960_57021-3309.png)
CAN COMMUNICATION
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TYPE 3
System diagram
Ty pe 3
Input/output signal chart
T: Transmit R: Receive A/T position indicator lamp signal T R
A/T shift schedule change demand signal R T
Manual mode signal R T
Not manual mode signal R T
Manual mode shift up signal R T
Manual mode shift down signal R T
Manual mode indicator signal T R
Distance to empty signal R T
Parking brake switch signal R T
Snow mode switch signal R TSignals ECM TCMDis-
play
unitBCMSte er-
ing
angle
sensorUnified
meter
and
A/C
amp.ABS
actua-
tor and
electric
unit
(con-
trol
unit)Driver
seat
control
unitIPDM
E/R
SKIA6173E
Signals ECM TCMDis-
play
con-
trol
unitLow
tire
pres-
sure
warn-
ing
con-
trol
unitICC
unitIntelli-
gent
Key
unitBCMSteer-
ing
angle
sen-
sorUni-
fied
meter
and
A/C
amp.ICC
sen-
sorABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)Driver
seat
con-
trol
unitIPDM
E/R
Engine speed signal T R R R R R
Engine status signal T R
Engine coolant tempera-
ture signalTR R
Page 3312 of 4449
![INFINITI FX35 2004 Service Manual CAN COMMUNICATION
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Revision: 2004 November 2004 FX35/FX45
Turn LED burnout status
signalRT
Vehicle speed signalRRT
RRRR RR T R R
Sleep wake up signalTR R
TR
Doo INFINITI FX35 2004 Service Manual CAN COMMUNICATION
LAN-11
[CAN]
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Revision: 2004 November 2004 FX35/FX45
Turn LED burnout status
signalRT
Vehicle speed signalRRT
RRRR RR T R R
Sleep wake up signalTR R
TR
Doo](/manual-img/42/57021/w960_57021-3311.png)
CAN COMMUNICATION
LAN-11
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Revision: 2004 November 2004 FX35/FX45
Turn LED burnout status
signalRT
Vehicle speed signalRRT
RRRR RR T R R
Sleep wake up signalTR R
TR
Door switch signal R R T R R R
Turn indicator signal T R
Key fob ID signal T R
Key fob door unlock sig-
nalTR
Oil pressure switch sig-
nalRT
TR
Buzzer output signalTR
TR
TR
Fuel level sensor signal R T
Fuel level low warning
signalRT
ASCD SET lamp signal T R
ASCD CRUISE lamp sig-
nalTR
Malfunctioning indicator
lamp signalTR
ICC operation signal R T
Front wiper request sig-
nalRT R
Front wiper stop position
signalRT
Rear window defogger
switch signalTR
Rear window defogger
control signalRR R T
Hood switch signal R T
Theft warning horn
request signalTR
Horn chirp signal T R
Steering angle sensor
signalTR
Tire pressure signal T R
Tire pressure data signal R T
ABS warning lamp signal R R TSignals ECM TCMDis-
play
con-
trol
unitLow
tire
pres-
sure
warn-
ing
con-
trol
unitICC
unitIntelli-
gent
Key
unitBCMSteer-
ing
angle
sen-
sorUni-
fied
meter
and
A/C
amp.ICC
sen-
sorABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)Driver
seat
con-
trol
unitIPDM
E/R
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Key fob door unlock signal T R
Oil pressure switch signalRT
TR
Buzzer output signal T R
Fuel level sens INFINITI FX35 2004 Service Manual CAN COMMUNICATION
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Key fob door unlock signal T R
Oil pressure switch signalRT
TR
Buzzer output signal T R
Fuel level sens](/manual-img/42/57021/w960_57021-3315.png)
CAN COMMUNICATION
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Key fob door unlock signal T R
Oil pressure switch signalRT
TR
Buzzer output signal T R
Fuel level sensor signal R T
Fuel level low warning signal R T
ASCD SET lamp signal T R
ASCD CRUISE lamp signal T R
Malfunction indicator lamp signal T R
Front wiper request signal T R
Front wiper stop position signal R T
Rear window defogger switch signal T R
Rear window defogger control signal R R R T
Hood switch signal R T
Theft warning horn request signal T R
Horn chirp signal T R
Steering angle sensor signal T R
ABS warning lamp signalRT
VDC OFF indicator lamp signal R T
SLIP indicator lamp signalRT
Brake warning lamp signalRT
System setting signalTR R
RT T
AWD warning lamp signal T R
Distance to empty signal R T
Parking brake switch signal R R T
ASCD operation signal T R
ASCD OD cancel request signal T R
A/T CHECK indicator lamp signal T R
A/T position indicator lamp signal T R
A/T shift schedule change demand signal R T
Manual mode signal R T
Not manual mode signal R T
Manual mode shift up signal R T
Manual mode shift down signal R T
Manual mode indicator signal T R
Snow mode switch signal R T
Current gear position signal* R TSignals ECM TCMDis-
play
unitAW D
con-
trol
unitBCMSte er-
ing
angle
sensorUni-
fied
meter
and
A/C
amp.ABS
actua-
tor
and
elec-
tric
unit
(con-
trol
unit)Driver
seat
con-
trol
unitIPDM
E/R
Page 3319 of 4449
![INFINITI FX35 2004 Service Manual LAN-18
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Day time running
light request signalTR
Turn LED burnout
status signalRT
Vehicle speed signalRR R T
RR R R R R T R R
Sleep wake INFINITI FX35 2004 Service Manual LAN-18
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Day time running
light request signalTR
Turn LED burnout
status signalRT
Vehicle speed signalRR R T
RR R R R R T R R
Sleep wake](/manual-img/42/57021/w960_57021-3318.png)
LAN-18
[CAN]
CAN COMMUNICATION
Revision: 2004 November 2004 FX35/FX45
Day time running
light request signalTR
Turn LED burnout
status signalRT
Vehicle speed signalRR R T
RR R R R R T R R
Sleep wake up signalTR R
TR
Door switch signal R R T R R R
Key fob ID signal T R
Key fob door unlock
signalTR
Oil pressure switch
signalRT
TR
Buzzer output signalTR
TR
TR
Fuel level sensor sig-
nalRT
Fuel level low warn-
ing signalRT
ASCD SET lamp sig-
nalTR
ASCD CRUISE lamp
signalTR
Malfunction indicator
lamp signalTR
ICC operation signal R T
Front wiper request
signalRT R
Front wiper stop
position signalRT
Rear window defog-
ger switch signalTR
Rear window defog-
ger control signalRR R T
Hood switch signal R T
Theft warning horn
request signalTR
Horn chirp signal T R
Steering angle sen-
sor signalTR
Tire pressure signal T RSignals ECM TCMDis-
play
con-
trol
unitLow
tire
pres-
sure
warn-
ing
con-
trol
unitAWD
con-
trol
unitICC
unitIntel-
ligent
Key
unitBCMStee r-
ing
angle
sen-
sorUni-
fied
meter
and
A/C
amp.ICC
sen-
sorABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)Driver
seat
con-
trol
unitIPDM
E/R
Page 3322 of 4449
CAN SYSTEM (TYPE 1)
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Revision: 2004 November 2004 FX35/FX45
CAN SYSTEM (TYPE 1)PFP:23710
System DescriptionAKS00BZ7
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 LocationAKS00BZ8
SKIA7126E