Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan 350Z 2003-2007 Approved Nissan 350Z 2003 LAN
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LAN SYSTEM
K ELECTRICAL
A
B
SECTION
LAN SYSTEM C
D
E
CONTENTS
CAN ABS Actuator and Electric Unit (Control Unit) Circuit F
Check .................................................................... 33
.
PRECAUTIONS ......................................................... 4 . IPDM E/R Circuit Check ........................................ 33 .
Precautions for Supplemental Restraint System CAN Communication Circuit Check ....................... 34 . G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- IPDM E/R Ignition Relay Circuit Check ................. 37 .
SIONER" ................................................................. 4
. Component Inspection ........................................... 37 .
Precautions for Battery Service ............................... 4 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
Precautions When Using CONSULT-II .................... 4 . H
TION ................................................................... 37
.
CHECK POINTS FOR USING CONSULT-II ........ 5 . CAN SYSTEM (TYPE 2) .......................................... 38 .
Precautions For Trouble Diagnosis ......................... 5 . System Description ................................................ 38 .
CAN SYSTEM ...................................................... 5 . Component Parts and Harness Connector Location 38 ... I
Precautions For Harness Repair ............................. 5 . Wiring Diagram -- CAN -- .................................... 39 .
CAN SYSTEM ...................................................... 5 . Work Flow .............................................................. 41
.
CAN COMMUNICATION ........................................... 6 . CHECK SHEET .................................................. 42 . J
System Description ................................................. 6 . CHECK SHEET RESULTS (EXAMPLE) ............ 44 .
CAN Communication Unit ....................................... 6 . INSPECTION ..................................................... 46 .
TYPE 1 ................................................................. 7
. Circuit Check Between Data Link Connector and
TYPE 2/TYPE3 .................................................... 8 . LAN
Unified Meter and A/C Amp. .................................. 46 .
TYPE 4/TYPE5 .................................................. 10 . Circuit Check Between Unified Meter and A/C Amp.
TYPE 6/TYPE7 .................................................. 12 . and BCM ................................................................ 47
.
CAN SYSTEM (TYPE 1) .......................................... 14 . Circuit Check Between BCM and ABS Actuator and L
System Description ............................................... 14 . Electric Unit (Control Unit) ..................................... 48 .
Component Parts and Harness Connector Location 14 ... ECM Circuit Check ................................................ 49 .
Wiring Diagram -- CAN -- .................................... 15 . Data Link Connector Circuit Check ....................... 49 . M
Work Flow ............................................................. 17
. Unified Meter and A/C Amp. Circuit Check ........... 50 .
CHECK SHEET .................................................. 18 . BCM Circuit Check ................................................ 51 .
CHECK SHEET RESULTS (EXAMPLE) ............ 20 . ABS Actuator and Electric Unit (Control Unit) Circuit
INSPECTION ..................................................... 25 . Check .................................................................... 52
.
Circuit Check Between TCM and Data Link Con- IPDM E/R Circuit Check ........................................ 52 .
nector .................................................................... 26
. CAN Communication Circuit Check ....................... 53 .
Circuit Check Between Data Link Connector and IPDM E/R Check ................................................... 55 .
Unified Meter and A/C Amp. ................................. 27 . IPDM E/R Ignition Relay Circuit Check ................. 55 .
Circuit Check Between Unified Meter and A/C Amp. Component Inspection ........................................... 56 .
and BCM ............................................................... 27
. ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
Circuit Check Between BCM and ABS Actuator and TION ................................................................... 56
.
Electric Unit (Control Unit) ..................................... 28 . CAN SYSTEM (TYPE 3) .......................................... 57 .
ECM Circuit Check ................................................ 29 . System Description ................................................ 57 .
TCM Circuit Check ................................................ 30 . Component Parts and Harness Connector Location 57 ...
Data Link Connector Circuit Check ....................... 31 . Wiring Diagram -- CAN -- .................................... 58 .
Unified Meter and A/C Amp. Circuit Check ........... 31 . Work Flow .............................................................. 60
.
BCM Circuit Check ................................................ 32 .
LAN-1
CHECK SHEET .................................................. 61 . CHECK SHEET ................................................ 103 .
CHECK SHEET RESULTS (EXAMPLE) ............ 63 . CHECK SHEET RESULTS (EXAMPLE) ........... 105 .
INSPECTION ...................................................... 67 . INSPECTION .................................................... 109 .
Circuit Check Between Data Link Connector and Circuit Check Between Data Link Connector and
Unified Meter and A/C Amp. .................................. 68 . Unified Meter and A/C Amp. ................................ 110 .
Circuit Check Between Unified Meter and A/C Amp. Circuit Check Between Unified Meter and A/C Amp.
and BCM ................................................................ 69
. and BCM .............................................................. 111
.
Circuit Check Between BCM and Low Tire Pressure Circuit Check Between BCM and Low Tire Pressure
Warning Control Unit ............................................. 69 . Warning Control Unit ............................................ 111 .
Circuit Check Between Low Tire Pressure Warning Circuit Check Between Low Tire Pressure Warning
Control Unit and ABS Actuator and Electric Unit Control Unit and ABS Actuator and Electric Unit
(Control Unit) ......................................................... 70
. (Control Unit) ........................................................ 112
.
ECM Circuit Check ................................................ 71 . ECM Circuit Check ............................................... 113 .
Data Link Connector Circuit Check ........................ 72 . Data Link Connector Circuit Check ...................... 114 .
Unified Meter and A/C Amp. Circuit Check ............ 73 . Unified Meter and A/C Amp. Circuit Check .......... 115 .
BCM Circuit Check ................................................ 73 . BCM Circuit Check ............................................... 115 .
Low Tire Pressure Warning Control Unit Circuit Low Tire Pressure Warning Control Unit Circuit
Check .................................................................... 74
. Check ................................................................... 116
.
ABS Actuator and Electric Unit (Control Unit) Circuit ABS Actuator and Electric Unit (Control Unit) Circuit
Check .................................................................... 75
. Check ................................................................... 117
.
IPDM E/R Circuit Check ........................................ 76 . IPDM E/R Circuit Check ....................................... 118 .
CAN Communication Circuit Check ....................... 76 . CAN Communication Circuit Check ..................... 118 .
IPDM E/R Check ................................................... 79 . IPDM E/R Check .................................................. 121 .
IPDM E/R Ignition Relay Circuit Check .................. 79 . IPDM E/R Ignition Relay Circuit Check ................ 121 .
Component Inspection ........................................... 79 . Component Inspection ......................................... 121 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
TION ................................................................... 79
. TION ................................................................. 121
.
CAN SYSTEM (TYPE 4) .......................................... 80 . CAN SYSTEM (TYPE 6) ......................................... 122 .
System Description ................................................ 80 . System Description .............................................. 122 .
Component Parts and Harness Connector Location 80 ... Component Parts and Harness Connector Location .122
Wiring Diagram -- CAN -- .................................... 81 . Wiring Diagram -- CAN -- .................................. 123 .
Work Flow .............................................................. 83
. Work Flow ............................................................ 125
.
CHECK SHEET .................................................. 84 . CHECK SHEET ................................................ 126 .
CHECK SHEET RESULTS (EXAMPLE) ............ 86 . CHECK SHEET RESULTS (EXAMPLE) ........... 128 .
INSPECTION ...................................................... 88 . INSPECTION .................................................... 131 .
Circuit Check Between Data Link Connector and Circuit Check Between Data Link Connector and
Unified Meter and A/C Amp. .................................. 88 . Unified Meter and A/C Amp. ................................ 132 .
Circuit Check Between Unified Meter and A/C Amp. Circuit Check Between Unified Meter and A/C Amp.
and BCM ................................................................ 89
. and BCM .............................................................. 132
.
Circuit Check Between BCM and ABS Actuator and Circuit Check Between BCM and Steering Angle
Electric Unit (Control Unit) ..................................... 90 . Sensor .................................................................. 133
.
ECM Circuit Check ................................................ 91 . Circuit Check Between Steering Angle Sensor and
Data Link Connector Circuit Check ........................ 91 . VDC/TCS/ABS Control Unit ................................. 134 .
Unified Meter and A/C Amp. Circuit Check ............ 92 . ECM Circuit Check ............................................... 135 .
BCM Circuit Check ................................................ 93 . Data Link Connector Circuit Check ...................... 135 .
ABS Actuator and Electric Unit (Control Unit) Circuit Unified Meter and A/C Amp. Circuit Check .......... 136 .
Check .................................................................... 94
. BCM Circuit Check ............................................... 137 .
IPDM E/R Circuit Check ........................................ 94 . Steering Angle Sensor Circuit Check ................... 138 .
CAN Communication Circuit Check ....................... 95 . VDC/TCS/ABS Control Unit Circuit Check ........... 138 .
IPDM E/R Check ................................................... 97 . IPDM E/R Circuit Check ....................................... 139 .
IPDM E/R Ignition Relay Circuit Check .................. 97 . CAN Communication Circuit Check ..................... 140 .
Component Inspection ........................................... 98 . IPDM E/R Check .................................................. 142 .
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC- IPDM E/R Ignition Relay Circuit Check ................ 142 .
TION ................................................................... 98
. Component Inspection ......................................... 143 .
CAN SYSTEM (TYPE 5) .......................................... 99 . ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
System Description ................................................ 99 . TION ................................................................. 143
.
Component Parts and Harness Connector Location 99 ... CAN SYSTEM (TYPE 7) ......................................... 144 .
Wiring Diagram -- CAN -- .................................. 100 . System Description .............................................. 144 .
Work Flow ............................................................ 102
. Component Parts and Harness Connector Location .144
LAN-2
Wiring Diagram -- CAN -- .................................. 145 . ECM Circuit Check .............................................. 159 .
Work Flow ........................................................... 147
. Data Link Connector Circuit Check ..................... 160 . A
CHECK SHEET ................................................ 148 . Unified Meter and A/C Amp. Circuit Check ......... 161 .
CHECK SHEET RESULTS (EXAMPLE) .......... 150 . BCM Circuit Check .............................................. 162 .
INSPECTION ................................................... 155. Low Tire Pressure Warning Control Unit Circuit B
Circuit Check Between Data Link Connector and Check .................................................................. 162
.
Unified Meter and A/C Amp. ............................... 156 . Steering Angle Sensor Circuit Check .................. 163 .
Circuit Check Between Unified Meter and A/C Amp. VDC/TCS/ABS Control Unit Circuit Check .......... 164 .
and BCM ............................................................. 156
. IPDM E/R Circuit Check ...................................... 165 . C
Circuit Check Between BCM and Low Tire Pressure CAN Communication Circuit Check ..................... 165 .
Warning Control Unit ........................................... 157. IPDM E/R Check ................................................. 168 .
Circuit Check Between Low Tire Pressure Warning IPDM E/R Ignition Relay Circuit Check ............... 168 . D
Control Unit and Steering Angle Sensor ............. 158 . Component Inspection ......................................... 168 .
Circuit Check Between Steering Angle Sensor and ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
VDC/TCS/ABS Control Unit ................................ 158 . TION ................................................................. 168
. E
F
G
H
I
J
LAN
L
M
LAN-3
PRECAUTIONS
[CAN]
PRECAUTIONS
[CAN] PFP:00001
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AKS0031A
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 harness connec-
tors.
Precautions for Battery Service AKS003TZ
This vehicle is equipped with the automatic window adjusting function. When a door is opened, the window
automatically lowers slightly to avoid contact between the window and the side roof panel. After the door is
closed, the window will automatically raise slightly.
On vehicles equipped with the automatic window adjusting function, lower both the driver and front passenger
side windows before disconnecting the battery cables. This will prevent interference between the side window
and the roof panel when either door is opened/closed.
CAUTION:
After the battery cables are disconnected, do not open/close the driver and/or front passenger door
with the window in the full up position. The automatic window adjusting function will not work and the
side roof panel may be damaged.
Precautions When Using CONSULT-II AKS003M4
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 CON-
VERTER, malfunctions might be detected in self-diagnosis
depending on control unit which carry out CAN communication.
PBIB1069E
LAN-4
PRECAUTIONS
[CAN]
CHECK POINTS FOR USING CONSULT-II
1. Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle? A
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