Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Maxima 2006-2009 Approved Nissan Maxima 2006 LAN

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LAN

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K ELECTRICAL

B
SECTION
LAN SYSTEM C

E
CONTENTS
CAN ELECTRIC UNIT (CONTROL UNIT) .................. 21 . F
DESCRIPTION OF "CAN DIAG SUPPORT
PRECAUTIONS ......................................................... 3 . MNTR" SCREEN FOR IPDM E/R ...................... 22 .
Precautions for Supplemental Restraint System DESCRIPTION OF "CAN DIAG MNTR" SCREEN G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- FOR DISPLAY UNIT ........................................... 23 .
SIONER" ................................................................. 3
. DESCRIPTION OF "CAN DIAG SUPPORT
Precautions When Using CONSULT-II .................... 3 . MNTR" SCREEN FOR DISPLAY CONTROL
CHECK POINTS FOR USING CONSULT-II ........ 3 . H
UNIT ................................................................... 24
.
Precautions For Trouble Diagnosis ......................... 3 . CAN COMMUNICATION .......................................... 25 .
CAN SYSTEM ...................................................... 3 . System Description ................................................ 25.
Precautions For Harness Repair ............................. 4 . Component Parts and Harness Connector Location 25 ... I
CAN SYSTEM ...................................................... 4 . Schematic .............................................................. 26
.
TROUBLE DIAGNOSES WORK FLOW ................... 5 . Wiring Diagram -- CAN -- .................................... 27 .
When Displaying CAN Communication System CAN Communication Unit ...................................... 30 . J
Errors ...................................................................... 5
. TYPE 1/TYPE 2/TYPE 3 .................................... 31 .
WHEN A MALFUNCTION IS DETECTED BY TYPE 4/TYPE 5/TYPE 6 .................................... 34 .
CAN COMMUNICATION SYSTEM ...................... 5 . TYPE 7/TYPE 8 .................................................. 37 .
WHEN A MALFUNCTION IS DETECTED LAN
CAN SYSTEM (TYPE 1) .......................................... 40 .
EXCEPT CAN COMMUNICATION SYSTEM ....... 5 . Component Parts and Harness Connector Location 40 ...
TROUBLE DIAGNOSIS FLOW CHART .............. 6 . Schematic .............................................................. 40
.
Diagnosis Procedure ............................................... 7 . Wiring Diagram -- CAN -- .................................... 40 . L
SELECTING CAN SYSTEM TYPE (HOW TO Check Sheet .......................................................... 41
.
USE SPECIFICATION TABLE) ............................ 7 . CHECK SHEET RESULTS (EXAMPLE) ............ 43 .
ACQUISITION OF DATA BY CONSULT-II ........... 8 . CAN SYSTEM (TYPE 2) .......................................... 53 . M
HOW TO USE CHECK SHEET TABLE ............... 9 . Component Parts and Harness Connector Location 53 ...
CAN Diagnostic Support Monitor .......................... 16 . Schematic .............................................................. 53
.
DESCRIPTION OF "CAN DIAG SUPPORT Wiring Diagram -- CAN -- .................................... 53 .
MNTR" SCREEN FOR ECM .............................. 16 . Check Sheet .......................................................... 54
.
DESCRIPTION OF "CAN DIAG SUPPORT CHECK SHEET RESULTS (EXAMPLE) ............ 56 .
MNTR" SCREEN FOR TCM .............................. 17 . CAN SYSTEM (TYPE 3) .......................................... 68 .
DESCRIPTION OF "CAN DIAG SUPPORT Component Parts and Harness Connector Location 68 ...
MNTR" SCREEN FOR UNIFIED METER A/C Schematic .............................................................. 68
.
AMP. ................................................................... 18
. Wiring Diagram -- CAN -- .................................... 68 .
DESCRIPTION OF "CAN DIAG SUPPORT Check Sheet .......................................................... 69
.
MNTR" SCREEN FOR BCM .............................. 19 . CHECK SHEET RESULTS (EXAMPLE) ............ 71 .
DESCRIPTION OF "CAN DIAG SUPPORT CAN SYSTEM (TYPE 4) .......................................... 83 .
MNTR" SCREEN FOR DRIVER SEAT CON- Component Parts and Harness Connector Location 83 ...
TROL UNIT ........................................................ 20 . Schematic .............................................................. 83
.
DESCRIPTION OF "CAN DIAG SUPPORT
MNTR" SCREEN FOR ABS ACTUATOR AND

Revision: October 2006 LAN-1 2006 Maxima
Wiring Diagram -- CAN -- .................................... 83 . Wiring Diagram -- CAN -- .................................. 150 .
Check Sheet .......................................................... 84
. Check Sheet ........................................................ 151 .
CHECK SHEET RESULTS (EXAMPLE) ............ 86 . CHECK SHEET RESULTS (EXAMPLE) ........... 153 .
CAN SYSTEM (TYPE 5) .......................................... 98 . TROUBLE DIAGNOSIS FOR SYSTEM ................. 168 .
Component Parts and Harness Connector Location 98 ... Inspection Between TCM and Data Link Connector
Schematic .............................................................. 98
. Circuit ................................................................... 168
.
Wiring Diagram -- CAN -- .................................... 98 . Inspection Between Data Link Connector and ABS
Check Sheet .......................................................... 99
. Actuator and Electric Unit (Control Unit) Circuit ... 168 .
CHECK SHEET RESULTS (EXAMPLE) .......... 101 . Inspection Between Data Link Connector and Driver
CAN SYSTEM (TYPE 6) ........................................ 115 . Seat Control Unit Circuit ...................................... 170 .
Component Parts and Harness Connector Location 115 . Inspection Between Driver Seat Control Unit and
Schematic ............................................................ 115
. ABS Actuator and Electric Unit (Control Unit) Circuit .171
Wiring Diagram -- CAN -- .................................. 115 . ECM Circuit Inspection ........................................ 172 .
Check Sheet ........................................................ 116
. TCM Circuit Inspection ......................................... 173 .
CHECK SHEET RESULTS (EXAMPLE) .......... 118 . Display Unit Circuit Inspection ............................. 173 .
CAN SYSTEM (TYPE 7) ........................................ 132 . Display Control Unit Circuit Inspection ................. 174 .
Component Parts and Harness Connector Location 132 . Data Link Connector Circuit Inspection ................ 174 .
Schematic ............................................................ 132
. Unified Meter and A/C Amp. Circuit Inspection .... 175 .
Wiring Diagram -- CAN -- .................................. 132 . Steering Angle Sensor Circuit Inspection ............. 175 .
Check Sheet ........................................................ 133
. BCM Circuit Inspection ........................................ 176 .
CHECK SHEET RESULTS (EXAMPLE) .......... 135 . Driver Seat Control Unit Circuit Inspection .......... 176 .
CAN SYSTEM (TYPE 8) ........................................ 150 . ABS Actuator and Electric Unit (Control Unit) Circuit
Component Parts and Harness Connector Location 150 . Inspection ............................................................. 177
.
Schematic ............................................................ 150
. IPDM E/R Circuit Inspection ................................ 177 .
CAN Communication Circuit Inspection ............... 178 .
IPDM E/R Ignition Relay Circuit Inspection .......... 179 .

Revision: October 2006 LAN-2 2006 Maxima
PRECAUTIONS
[CAN]
PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" UKS0025K

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
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 C
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: D
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. E
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. F
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.
G
Precautions When Using CONSULT-II UKS002MT

When connecting CONSULT-II to data link connector, connect them through CONSULT-II CONVERTER.
H
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.
I
CHECK POINTS FOR USING CONSULT-II
1. Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?

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