Ac system INFINITI FX35 2006 Service Manual

CAN COMMUNICATION LAN-37
[CAN]
C
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LAN
Revision: 2006 December 2006 FX35/FX45
ASCD operation signal T R
Battery voltage signal T R
Closed throttle position
signal TR R
Cooling fan speed
request signal T
R
Engine coolant tempera-
ture signal TR
Engine speed signal T R R R R R
Engine status signal T R
Fuel consumption moni-
tor signal TR
RT
ICC steering switch sig-
nal TR
Malfunctioning indicator
lamp signal TR
Wide open throttle posi-
tion signal TR
Snow mode switch signal RT
TR
A/T CHECK indicator
lamp signal TR
A/T self-diagnosis signal R T
Current gear position sig-
nal TR R
Manual mode indicator
signal TR R
Output shaft revolution
signal RT R R
P range signal T R R R
Shift position indicator
signal TR R
Turbine revolution signal R T R
A/C switch/indicator sig-
nal TR
RT
System setting signal TR R
RT T
ICC OD cancel request
signal RT
ICC operation signal R T
ICC system display sig-
nal TR
Signals ECM TCM
Dis-
play
con-
trol
unit ICC
unit Intelli-
gent Key unit BCM Ste er-
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

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-42
[CAN]
CAN COMMUNICATION
Revision: 2006 December 2006 FX35/FX45
System setting signal TR R
RT T
AWD warning lamp signal T R
Alarm request signal T R
Back door open request
signal TR
Door lock/unlock request
signal TR
Ignition knob switch signal T R
Key warning signal T R
Power window open
request signal TR
Sleep wake up signal TR R
TR
Buzzer output signal TR
TR
A/C switch signal R T
Blower fan motor switch
signal RT
Day time running light
request signal TR
Door lock/unlock status
signal RT
Door switch signal R R T R R R
Front fog light request sig-
nal TR
Front wiper request signal T R
High beam request signal T R R
Horn chirp signal T R
Ignition switch signal T R R
Key fob door unlock signal T R
Key fob ID signal T R
Key switch signal T R
Low beam request signal T R
Position light request sig-
nal RTR R
Theft warning horn
request signal TR
Turn indicator signal T R
Oil pressure switch signal RT
TR
Steering angle sensor sig-
nal TR
Signals ECM TCM
Dis-
play
control unit AW D
control unit Intelli-
gent
Key unit BCM Steer-
ing
angle
sensor Unified
meter
and A/
C amp. ABS
actua-
tor and elec-
tric unit (con-trol
unit) Driver
seat
control unit IPDM
E/R

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 COMMUNICATION LAN-45
[CAN]
C
D E
F
G H
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B
LAN
Revision: 2006 December 2006 FX35/FX45
ICC steering switch
signal TR
Malfunction indicator
lamp signal TR
Wide open throttle
position signal TR
Snow mode switch
signal RT
TR
A/T CHECK indica-
tor lamp signal TR
A/T self-diagnosis
signal RT
Current gear posi-
tion signal TR R
Manual mode indica-
tor signal TR R
Output shaft revolu-
tion signal RT R R
P range signal T R R R
Shift position indica-
tor signal TR R
Turbine revolution
signal RT R
A/C switch/indicator
signal TR
RT
System setting signal TR R
RT T
AWD warning lamp
signal TR
ICC OD cancel
request signal RT
ICC operation signal R T
ICC system display
signal TR
ICC warning lamp
signal TR
Buzzer output signal TR
TR
TR
Alarm request signal T R
Back door open
request signal TR
Signals ECM TCM
Dis-
play
con-
trol
unit AWD
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

CAN SYSTEM (TYPE 1) LAN-49
[CAN]
C
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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 —"

LAN-50
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 December 2006 FX35/FX45
Check SheetNKS0034H
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
PKIC9444E

CAN SYSTEM (TYPE 1) LAN-51
[CAN]
C
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LAN
Revision: 2006 December 2006 FX35/FX45
PKIB4359E

LAN-52
[CAN]
CAN SYSTEM (TYPE 1)
Revision: 2006 December 2006 FX35/FX45
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
Case 1
Check harness between TCM and data link connector. Refer to LAN-190, "Inspection Between TCM and Data
Link Connector Circuit" .
PKIC9445E
PKIC9446E

CAN SYSTEM (TYPE 1) LAN-53
[CAN]
C
D E
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LAN
Revision: 2006 December 2006 FX35/FX45
Case 2
Check harness between data link connector and unified meter and A/C amp. Refer to LAN-190, "Inspection
Between Data Link Connector and Unified Meter and A/C Amp. Circuit" .
PKIC9447E
PKIC9448E