2006 INFINITI FX35 Service Manual

flat tire fuel filter location heating cooling tire pressure height adjustment

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INFINITI FX35 2006 Service Manual LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
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SECTION LAN
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LAN
Revision: 2006 December 2006 FX35/FX45
LAN SYSTEM
CAN
PRECAUTIONS ...........................................

LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
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SECTION LAN
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B
LAN
Revision: 2006 December 2006 FX35/FX45
LAN SYSTEM
CAN
PRECAUTIONS ..................................................... ..... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions When Using CONSULT-II ................ ..... 3
CHECK POINTS FOR USING CONSULT-II .... ..... 3
Precautions For Trouble Diagnosis ..................... ..... 3
CAN SYSTEM .................................................. ..... 3
Precautions For Harness Repair ......................... ..... 4
CAN SYSTEM .................................................. ..... 4
TROUBLE DIAGNOSES WORK FLOW ............... ..... 5
When Displaying CAN Communication System
Errors .................................................................. ..... 5
WHEN A MALFUNCTION IS DETECTED BY
CAN COMMUNICATION SYSTEM .................. ..... 5
WHEN A MALFUNCTION IS DETECTED
EXCEPT CAN COMMUNICATION SYSTEM ... ..... 5
TROUBLE DIAGNOSIS FLOW CHART .......... ..... 6
Diagnosis Procedure ........................................... ..... 7
SELECTING CAN SYSTEM TYPE (HOW TO
USE SPECIFICATION TABLE) ........................ ..... 7
ACQUISITION OF DATA BY CONSULT-II ....... ..... 8
HOW TO USE CHECK SHEET TABLE ........... ..... 9
CAN Diagnostic Support Monitor ........................ ... 16
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ECM ............................ ... 16
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR TCM ............................ ... 17
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR AWD CONTROL UNIT ... 18
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ICC UNIT .................... ... 19
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR INTELLIGENT KEY UNIT ... 20
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR BCM ............................ ... 21
DESCRIPTION OF “CAN DIAG SUPPORT MNTR” SCREEN FOR LDW CAMERA UNIT ...
... 22
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR UNIFIED METER AND A/
C AMP. .............................................................. ... 23
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR ABS ACTUATOR AND
ELECTRIC UNIT (CONTROL UNIT) ................ ... 24
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DRIVER SEAT CON-
TROL UNIT ...................................................... ... 24
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR IPDM E/R .................... ... 25
DESCRIPTION OF “CAN DIAG SUPPORT
MNTR” SCREEN FOR DISPLAY CONTROL
UNIT ................................................................. ... 26
CAN COMMUNICATION ........................................ ... 27
System Description .............................................. ... 27
Component Parts and Harness Connector Location ... 27
Schematic ............................................................ ... 28
Wiring Diagram — CAN — .................................. ... 29
CAN Communication Unit .................................... ... 32
TYPE 1/TYPE 2 ................................................ ... 33
TYPE 3 ............................................................. ... 36
TYPE 4/TYPE 5 ................................................ ... 40
TYPE 6 ............................................................. ... 44
CAN SYSTEM (TYPE 1) ........................................ ... 49
Component Parts and Harness Connector Location ... 49
Schematic ............................................................ ... 49
Wiring Diagram — CAN — .................................. ... 49
Check Sheet ........................................................ ... 50
CHECK SHEET RESULTS (EXAMPLE) .......... ... 52
CAN SYSTEM (TYPE 2) ........................................ ... 69
Component Parts and Harness Connector Location ... 69
Schematic ............................................................ ... 69
Wiring Diagram — CAN — .................................. ... 69
Check Sheet ........................................................ ... 70
CHECK SHEET RESULTS (EXAMPLE) .......... ... 73
CAN SYSTEM (TYPE 3) ........................................ ... 91
Component Parts and Harness Connector Location ... 91
Schematic ............................................................ ... 91

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INFINITI FX35 2006 Service Manual LAN-2Revision: 2006 December 2006 FX35/FX45 Wiring Diagram — CAN — ..................................
... 91
Check Sheet ........................................................ ... 92
CHECK

LAN-2Revision: 2006 December 2006 FX35/FX45 Wiring Diagram — CAN — ..................................
... 91
Check Sheet ........................................................ ... 92
CHECK SHEET RESULTS (EXAMPLE) .......... ... 96
CAN SYSTEM (TYPE 4) ........................................ .117
Component Parts and Harness Connector Location .117
Schematic ............................................................ .117
Wiring Diagram — CAN — .................................. .117
Check Sheet ........................................................ .118
CHECK SHEET RESULTS (EXAMPLE) .......... .121
CAN SYSTEM (TYPE 5) ........................................ .139
Component Parts and Harness Connector Location .139
Schematic ............................................................ .139
Wiring Diagram — CAN — .................................. .139
Check Sheet ........................................................ .140
CHECK SHEET RESULTS (EXAMPLE) .......... .144
CAN SYSTEM (TYPE 6) ........................................ .163
Component Parts and Harness Connector Location .163
Schematic ............................................................ .163
Wiring Diagram — CAN — .................................. .163
Check Sheet ........................................................ .164
CHECK SHEET RESULTS (EXAMPLE) .......... .168
TROUBLE DIAGNOSIS FOR SYSTEM ................. .190
Inspection Between TCM and Data Link Connector
Circuit .................................................................. .190
Inspection Between Data Link Connector and Uni- fied Meter and A/C Amp. Circuit ..........................
.190
Inspection Between Unified Meter and A/C Amp.
and ABS Actuator and Electric Unit (Control Unit)
Circuit ................................................................... .190
Inspection Between ABS Actuator and Electric Unit
(Control Unit) and Driver Seat Control Unit Circuit .191
ECM Circuit Inspection ........................................ .192
TCM Circuit Inspection ......................................... .193
Display Control Unit Circuit Inspection ................. .193
AWD Control Unit Circuit Inspection .................... .194
ICC Unit Circuit Inspection ................................... .194
Intelligent Key Unit Circuit Inspection .................. .195
Data Link Connector Circuit Inspection ................ .195
BCM Circuit Inspection ........................................ .196
Steering Angle Sensor Circuit Inspection ............. .196
LDW Camera Unit Circuit Inspection ................... .197
Unified Meter and A/C Amp. Circuit Inspection .... .197
ICC Sensor Circuit Inspection .............................. .198
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................. .198
Driver Seat Control Unit Circuit Inspection .......... .199
IPDM E/R Circuit Inspection ................................ .199
CAN Communication Circuit Inspection ............... .200
IPDM E/R Ignition Relay Circuit Inspection .......... .201

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INFINITI FX35 2006 Service Manual PRECAUTIONS LAN-3
[CAN]
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LAN
Revision: 2006 December 2006 FX35/FX45
[CAN]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and �

PRECAUTIONS LAN-3
[CAN]
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LAN
Revision: 2006 December 2006 FX35/FX45
[CAN]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
NKS00345
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions When Using CONSULT-IINKS00346
When connecting CONSULT-II to data link connector, connect them through CONSULT-II CONVERTER.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
CHECK POINTS FOR USING CONSULT-II
1. Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?
–If YES, GO TO 2.
–If NO, GO TO 5.
2. Is there any indication other than indications relating to CAN communication system in the self-diagnosis results?
–If YES, GO TO 3.
–If NO, GO TO 4.
3. Based on self-diagnosis results unrelated to CAN communication, carry out the inspection.
4. Malfunctions may be detected in self-diagnosis depending on control units carrying out CAN communica- tion. Therefore, erase the self-diagnosis results.
5. Diagnose CAN communication system. Refer to LAN-5, "
TROUBLE DIAGNOSES WORK FLOW" .
Precautions For Trouble DiagnosisNKS00347
CAN SYSTEM
Do not apply voltage of 7.0 V or higher to the measurement terminals.
Use the tester with its open terminal voltage being 7.0 V or less.
Be sure to turn ignition switch OFF and disconnect the battery cable from the negative terminal before
checking the circuit.

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INFINITI FX35 2006 Service Manual LAN-4
[CAN]
PRECAUTIONS
Revision: 2006 December 2006 FX35/FX45
Precautions For Harness RepairNKS00348
CAN SYSTEM
Solder the repaired parts, and wrap with tape. [Frays of twisted
line must be within

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INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSES WORK FLOW LAN-5
[CAN]
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LAN
Revision: 2006 December 2006 FX35/FX45
TROUBLE DIAGNOSES WORK FLOWPFP:00004
When Displaying CAN Communication System Err

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INFINITI FX35 2006 Service Manual LAN-6
[CAN]
TROUBLE DIAGNOSES WORK FLOW
Revision: 2006 December 2006 FX35/FX45
TROUBLE DIAGNOSIS FLOW CHART
Depending on the control unit which performs CAN communication, “U1010” may be indicated

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INFINITI FX35 2006 Service Manual TROUBLE DIAGNOSES WORK FLOW LAN-7
[CAN]
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LAN
Revision: 2006 December 2006 FX35/FX45
Diagnosis ProcedureNKS0034A
SELECTING CAN SYSTEM TYPE (HOW TO USE SPECIFICATION T

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INFINITI FX35 2006 Service Manual LAN-8
[CAN]
TROUBLE DIAGNOSES WORK FLOW
Revision: 2006 December 2006 FX35/FX45
ACQUISITION OF DATA BY CONSULT-II
Attach the data acquired by CONSULT-II on the check sheet determined according to CAN s

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