Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G35 2003-2005 Coupe Sedan Approved Infiniti G35 Coupe 2005 lan

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lan

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LAN SYSTEM

K ELECTRICAL

SECTION LAN LAN SYSTEM
B

E
CONTENTS
CAN VDC/TCS/ABS Control Unit Circuit Check ............ 28 . F
IPDM E/R Circuit Check ........................................ 29 .
PRECAUTIONS ......................................................... 2
. CAN Communication Circuit Check ....................... 30 .
Precautions for Supplemental Restraint System IPDM E/R Ignition Relay Circuit Check ................. 32 . G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Component Inspection ........................................... 32 .
SIONER" ................................................................. 2
. ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
Precautions for Battery Service ............................... 2 . TION ................................................................... 32
.
Precautions When Using CONSULT-II .................... 2 . H
CAN SYSTEM (TYPE 2) .......................................... 33 .
CHECK POINTS FOR USING CONSULT-II ........ 2 . System Description ................................................ 33 .
Precautions For Trouble Diagnosis ......................... 2 . Component Parts and Harness Connector Location 33 ...
CAN SYSTEM ...................................................... 2. Schematic .............................................................. 34
. I
Precautions For Harness Repair ............................. 3 . Wiring Diagram - CAN - ......................................... 35 .
CAN SYSTEM ...................................................... 3. Work Flow .............................................................. 38
.
CAN COMMUNICATION ........................................... 4 . CHECK SHEET .................................................. 39 . J
System Description ................................................. 4
. CHECK SHEET RESULTS (EXAMPLE) ............ 41 .
CAN Communication Unit ....................................... 4 . Inspection Between TCM and Data Link Connector
TYPE 1 ................................................................. 4
. Circuit .................................................................... 52
.
TYPE 2 ................................................................. 6
. LAN
Inspection Between Data Link Connector and VDC/
CAN SYSTEM (TYPE 1) ............................................ 8 . TCS/ABS Control Unit Circuit ................................ 53 .
System Description ................................................. 8
. ECM Circuit Inspection .......................................... 53 .
Component Parts and Harness Connector Location 8 ..... TCM Circuit Inspection .......................................... 54 . L
Schematic ............................................................... 9
. Data Link Connector Circuit Inspection ................. 54 .
Wiring Diagram - CAN - ........................................ 10 . Combination Meter Circuit Inspection .................... 55 .
Work Flow ............................................................. 13
. BCM Circuit Inspection .......................................... 55 . M
CHECK SHEET .................................................. 14 . Steering Angle Sensor Circuit Inspection .............. 56 .
CHECK SHEET RESULTS (EXAMPLE) ............ 16 . VDC/TCS/ABS Control Unit Circuit Inspection ...... 56 .
Circuit Check Between Data Link Connector and IPDM E/R Circuit Inspection .................................. 57 .
VDC/TCS/ABS Control Unit .................................. 25 . CAN Communication Circuit Inspection ................ 58 .
ECM Circuit Check ................................................ 26. IPDM E/R Ignition Relay Circuit Check ................. 60 .
Data Link Connector Circuit Check ....................... 26 . Component Inspection ........................................... 60 .
Combination Meter Circuit Check ......................... 27 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
BCM Circuit Check ................................................ 27. TION ................................................................... 60
.
Steering Angle Sensor Circuit Check .................... 28 .

Edition: 2004 September LAN-1 2005 G35 Coupe
PRECAUTIONS
[CAN]
PRECAUTIONS
[CAN] PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AKS003EX

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:
q 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.
q 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.
q 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 for Battery Service AKS005IS

Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
Precautions When Using CONSULT-II AKS00AIN

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?

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