key INFINITI FX35 2007 Service Manual

LAN-2Revision: 2006 July 2007 FX35/FX45
CAN System (Type 5) ..........................................
... 73
DIAGNOSIS SHEET ......................................... ... 73
CAN System (Type 6) .......................................... ... 74
DIAGNOSIS SHEET ......................................... ... 74
Component Parts Location .................................. ... 75
Harness Layout ................................................... ... 75
Malfunction Area Chart ........................................ ... 76
MAIN LINE ........................................................ ... 76
BRANCH LINE ................................................. ... 76
SHORT CIRCUIT ............................................. ... 76
Main Line Between TCM and Data Link Connector ... 77
Main Line Between Data Link Connector and Unified
Meter and A/C Amp. ............................................ ... 77
Main Line Between Unified Meter and A/C Amp. and
ABS Actuator and Electric Unit (Control Unit) ...... ... 78
Main Line Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit ......... ... 79 ECM Branch Line Circuit ......................................
... 80
AWD Control Unit Branch Line Circuit ................. ... 80
Display Control Unit Branch Line Circuit .............. ... 81
ICC Unit Branch Line Circuit ................................ ... 82
TCM Branch Line Circuit ...................................... ... 82
BCM Branch Line Circuit ...................................... ... 83
Data Link Connector Branch Line Circuit ............. ... 84
Intelligent Key Unit Branch Line Circuit ................ ... 84
LDW Camera Unit Branch Line Circuit ................ ... 85
Steering Angle Sensor Branch Line Circuit .......... ... 86
Unified Meter and A/C Amp. Branch Line Circuit . ... 86
ABS Actuator and Electric Unit (Control Unit) Branch
Line Circuit ........................................................... ... 87
ICC Sensor Branch Line Circuit ........................... ... 88
Driver Seat Control Unit Branch Line Circuit ........ ... 89
IPDM E/R Branch Line Circuit .............................. ... 89
CAN Communication Circuit ................................ ... 90

LAN-28
[CAN FUNDAMENTAL]
TROUBLE DIAGNOSES WORK FLOW
Revision: 2006 July 2007 FX35/FX45
d. Reception item of “BCM”: On “TCM”, “UNKWN” is indicated. This means BCM cannot receive the signal
from TCM. Draw a line to indicate an error between BCM and TCM (line 2-d in the figure).
e. Reception item of “EPS” and “INTELLIGENT KEY”: “UNKWN” is not indicated. This indicates normal com- munication between EPS and I-KEY and their receiving units. Do not draw any line.
NOTE:
On CAN DIAG SUPPORT MNTR (without PAST), “UNKWN” is indicated even though the item is not used
in the trouble diagnosis. For the details of each item on CAN diagnostic support monitor, refer to LAN-44,
"CAN Diagnostic Support Monitor" .
SKIB8726E

HOW TO USE THIS SECTION LAN-41
[CAN]
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Revision: 2006 July 2007 FX35/FX45
HOW TO USE THIS SECTIONPFP:00008
CautionNKS004ML

This section describes information peculiar to a vehicle, sheets for trouble diagnosis, and inspection pro-
cedures.

For trouble diagnosis procedure LAN-17, "Trouble Diagnosis Procedure" .
Abbreviation ListNKS004MM
Abbreviations in CAN communication signal chart, and the diagnosis sheet are as per the following list.
Abbreviation Unit name SELECT SYSTEM
(CONSULT-II) CAN DIAG SUPPORT MNTR
(CONSULT-II)
4WD AWD control unit ALL MODE AWD/4WD AWD/4WD
A-BAG Air bag diagnosis sensor unit AIR BAG –
ABS ABS actuator and electric unit (control unit) ABS VDC/TCS/ABS
ADP Driver seat control unit AUTO DRIVE POS. –
BCM BCM BCM BCM/SEC
DISP Display control unit – DISPLAY
DLC Data link connector – –
ECM ECM ENGINE ECM
ICC ICC unit ICC ICC
ICC/e4WD
I-KEY Intelligent Key unit INTELLIGENT KEY I-KEY
IPDM-E IPDM E/R IPDM E/R IPDM E/R LANE LDW camera unit LDW –
LASER ICC sensor – ICC SENSOR M&A Unified meter and A/C amp. METER A/C AMP METER/M&A
STRG Steering angle sensor – STRG TCM TCM A/T TCM

TROUBLE DIAGNOSIS LAN-45
[CAN]
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Revision: 2006 July 2007 FX35/FX45
ICC Unit
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
TCM
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
BCM
NOTE:
Replace the unit when “NG” is indicated on the “INITIAL DIAG”.
SELECT SYS-
TEM CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT
ICC INITIAL DIAG Status of CAN controller
OK NG
TRANSMIT DIAG Signal transmission status
UNKWN
ECM Signal receiving status from the ECM
VDC/TCS/ABS Signal receiving status from the ABS actuator and electric unit
(control unit)
TCM Signal receiving status from the TCM
METER/M&A Not used even though indicated
LANE KEEP
ECM(l)
ICC SENSOR Signal receiving status from the ICC sensor OK UNKWN
STRG
Not used even though indicated
METER/M&A(l)
ERROR(l)
LANE DETEC-
TOR
TCM(l)
BCM/SEC Signal receiving status from the BCM OK UNKWN
SELECT SYS- TEM CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT
A/T INITIAL DIAG Status of CAN controller
OK NG
TRANSMIT DIAG Signal transmission status
UNKWN
ECM Signal receiving status from the ECM
VDC/TCS/ABS Signal receiving status from the ABS actuator and electric unit
(control unit)
METER/M&A Signal receiving status from the unified meter and A/C amp.
ICC/e4WD Signal receiving status from the ICC unit
AWD/4WD Signal receiving status from the AWD control unit
SELECT SYS- TEM CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT
BCM INITIAL DIAG Status of CAN controller
OK NG
TRANSMIT DIAG Signal transmission status
UNKWN
ECM Signal receiving status from the ECM
IPDM E/R Signal receiving status from the IPDM E/R
METER/M&A Signal receiving status from the unified meter and A/C amp.
I-KEY Not used even though indicated

LAN-46
[CAN]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
Intelligent Key Unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF →ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
LDW Camera Unit
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF →ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased.
Unified Meter and A/C Amp.
0: Error at present, 1 – 39: Error in the past (Number means the number of times the ignition switch is turned OFF →ON)
*: 39 or higher number is fixed at 39 until the self-diagnosis result is erased. SELECT SYS-
TEM CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT PAST PRSNT PAST
INTELLIGENT
KEY TRANSMIT DIAG Signal transmission status
OK OK
or
1 – 39
*UNKWN 0
ECM Signal receiving status from the ECM
METER/M&A Signal receiving status from the unified
meter and A/C amp.
BCM/SEC Signal receiving status from the BCM
SELECT SYS- TEM CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT PAST PRSNT PAST
LDW TRANSMIT DIAG Not used even though indicated
ECM Signal receiving status from the ECM
OK OK
or
1 – 39
*UNKWN 0
VDC/TCS/ABS
Signal receiving status from the ABS actu-
ator and electric unit (control unit)
BCM/SEC Signal receiving status from the BCM
TCM Signal receiving status from the TCM
SELECT SYS- TEM CAN DIAG SUP-
PORT MNTR Description Normal Error
PRSNT PAST PRSNT PAST
METER A/C AMP TRANSMIT DIAG Signal transmission status
OK OK
or
1 – 39
*UNKWN 0
ECM Signal receiving status from the ECM
TCM Signal receiving status from the TCM
BCM/SEC Signal receiving status from the BCM
VDC/TCS/ABS Signal receiving status from the ABS actu-
ator and electric unit (control unit)
IPDM E/R Not used even though indicated
DISPLAY Signal receiving status from the display
control unit OK OK
or
1 – 39
*UNKWN 0
I-KEY Signal receiving status from the Intelligent
Key unit
EPS Not used even though indicated
AW D/4 WD Signal receiving status from the AWD con-
trol unit OK OK
or
1 – 39
*UNKWN 0
e4WD Not used even though indicated
ICC Signal receiving status from the Intelligent
Key unit OK OK
or
1 – 39
*UNKWN 0
LANE KEEP Not used even though indicated
TIRE-P

TROUBLE DIAGNOSIS LAN-49
[CAN]
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Revision: 2006 July 2007 FX35/FX45
CAN System Specification ChartNKS004NO
Determine CAN system type from the following specification chart. Then choose the correct diagnosis sheet.
NOTE:
Refer to LAN-19, "
CHECK OF CAN SYSTEM TYPE (HOW TO USE CAN SYSTEM TYPE SPECIFICATION
CHART)" for how to use CAN system specification chart.
VEHICLE EQUIPMENT IDENTIFICATION INFORMATION
NOTE:
Check CAN system type from the vehicle shape and equipment.
Body type Wagon
Axle 2WD AWD
Engine VQ35DE VK45DE
Transmission A/T
Brake control VDC
ICC system ×××
Intelligent Key system ×× ××××
Lane departure warning system ×××
CAN system type 12345656
Diagnosis sheet LAN-69
LAN-70LAN-71LAN-72LAN-73LAN-74LAN-73LAN-74
CAN communication signal chart LAN-50, "TYPE 1/
TYPE 2"
LAN-52,
"TYPE 3"
LAN-54, "TYPE 4/
TYPE 5"
LAN-57,
"TYPE 6"
LAN-54,
"TYPE 4/
TYPE 5"
LAN-57,
"TYPE 6"
PKID0615E

LAN-50
[CAN]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
CAN Communication Signal ChartNKS004NP
Refer to LAN-15, "How to Use CAN Communication Signal Chart" for how to use CAN communication signal
chart.
TYPE 1/TYPE 2
NOTE:
Refer to LAN-41, "
Abbreviation List" for the abbreviations of the connecting units.
T: Transmit R: Receive
Signals
ECM
DISP TCM
BCM
I-KEY
STRG M&AABS
ADP
IPDM-E
A/C compressor feedback signal T 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 signal 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
Engine coolant temperature signal T R
Engine speed signal T R R R R
Engine status signal T R
Fuel consumption monitor signal TR
RT
Malfunctioning indicator lamp signal T R
Wide open throttle position signal T R
A/C switch/indicator signal TR
RT
System setting signal TR R
RT T
A/T CHECK indicator lamp signal T R
A/T self-diagnosis signal R T
Current gear position signal T R
Manual mode indicator signal T R
Output shaft revolution signal R T
P range signal T R R
Shift position indicator signal T R
Turbine revolution signal R T
A/C switch signal R T
Buzzer output signal TR
TR
Blower fan motor switch signal R T
Day time running light request signal T R
Door lock/unlock status signal T R
Door switch signal R T R R R R

TROUBLE DIAGNOSIS LAN-51
[CAN]
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Revision: 2006 July 2007 FX35/FX45
Front fog light request signal T R
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
Oil pressure switch signal RT
TR
Position light request signal T R R
Rear window defogger switch signal T R
Run flat tire warning lamp signal T R
Sleep wake up signal TRRR
RT
Theft warning horn request signal T R
Tire pressure warning lamp signal T R
Turn indicator signal T R
Alarm request signal R T
Back door open request signal R T
Door lock/unlock request signal R T
Ignition knob switch signal R T
Key warning signal T R
Power window open request signal R T
Steering angle sensor signal T R
Distance to empty signal R T
Fuel level low warning signal R T
Fuel level sensor signal R T
Manual mode shift down signal R T
Manual mode shift up signal R T
Manual mode signal R T
Not manual mode signal R T
Snow mode switch signal R T
Stop lamp switch signal R T
Turn LED burnout status signal R T
Vehicle speed signal RT
RRRRR T R
A/T shift schedule change demand signal R T
ABS operation signal T
ABS warning lamp signal RT
Brake warning lamp signal RT
SLIP indicator lamp signal RT
Signals
ECM
DISP TCM
BCM
I-KEY
STRG M&AABS
ADP
IPDM-E

LAN-52
[CAN]
TROUBLE DIAGNOSIS
Revision: 2006 July 2007 FX35/FX45
NOTE:
CAN data of the air bag diagnosis sensor unit is not used by usual service work, thus it is omitted.
TYPE 3
NOTE:
Refer to LAN-41, "
Abbreviation List" for the abbreviations of the connecting units.
T: Transmit R: Receive
TCS operation signal
T
VDC OFF indicator lamp signal R T
VDC OFF switch signal T
VDC operation signal T
Front wiper stop position signal R T
High beam status signal R T
Hood switch signal R T
Low beam status signal R T
Rear window defogger control signal R R R T Signals
ECM
DISP TCM
BCM
I-KEY
STRG M&AABS
ADP
IPDM-E
SignalsECM
DISP ICC
TCM
BCM
I-KEY
LANE
STRG M&AABS
LASER ADP
IPDM-E
A/C compressor feedback signal T R
A/C compressor request signal T R
Accelerator pedal position signal T R R R
ASCD OD cancel request signal T R
ASCD operation signal T R
Battery voltage signal T R
Closed throttle position signal T R R
Cooling fan speed request signal T R
Engine coolant temperature signal T R
Engine speed signal T R R R R R
Engine status signal T R
Fuel consumption monitor signal TR
RT
ICC steering switch signal T R
Malfunctioning indicator lamp signal T R
Snow mode switch signal RT
TR
Wide open throttle position signal T R
A/C switch/indicator signal TR
RT
System setting signal TR R
RT T
Buzzer output signal TR
TR
TR
ICC OD cancel request signal T R

TROUBLE DIAGNOSIS LAN-53
[CAN]
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Revision: 2006 July 2007 FX35/FX45
ICC operation signal R T
ICC system display signal T R
ICC warning lamp signal T R
A/T CHECK indicator lamp signal T R
A/T self-diagnosis signal R T
Current gear position signal R T R
Manual mode indicator signal R T R
Output shaft revolution signal R R T R
P range signal R T R R
Shift position indicator signal R T R
Turbine revolution signal R R T
A/C switch signal R T
Blower fan motor switch signal R T
Day time running light request signal T R
Door lock/unlock status signal T R
Door switch signal R T R R R R
Front fog light request signal T R
Front wiper request signal R 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
Oil pressure switch signal RT
TR
Position light request signal T R R
Rear window defogger switch signal T R
Run flat tire warning lamp signal T R
Sleep wake up signal TRRR
RT
Theft warning horn request signal T R
Tire pressure warning lamp signal T R
Turn indicator signal T R R
Alarm request signal R T
Back door open request signal R T
Door lock/unlock request signal R T
Ignition knob switch signal R T
Key warning signal T R
Power window open request signal R T
Steering angle sensor signal T R
Distance to empty signal R T Signals
ECM
DISP ICC
TCM
BCM
I-KEY
LANE
STRG M&AABS
LASER ADP
IPDM-E