Nissan 350Z Workshop Manual 2003 (25) PDF

LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION
A
B
LAN
LAN SYSTEM
CAN
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS) ?AIR BAG? and ?SEAT BELT PRE-TEN-
SIONER? .................................................................. 4
Precautions for Battery Service ................................ 4
Precautions When Using CONSULT-II ..................... 4
CHECK POINTS FOR USING CONSULT-II ......... 5
Precautions For Trouble Diagnosis .......................... 5
CAN SYSTEM ....................................................... 5
Precautions For Harness Repair .............................. 5
CAN SYSTEM ....................................................... 5
CAN COMMUNICATION ............................................ 6
System Description .................................................. 6
CAN Communication Unit ........................................ 6
TYPE 1 .................................................................. 7
TYPE 2/TYPE3 ..................................................... 8
TYPE 4/TYPE5 ................................................... 10
TYPE 6/TYPE7 ................................................... 12
CAN SYSTEM (TYPE 1) ........................................... 14
System Description ................................................ 14
Component Parts and Harness Connector Location ... 14
Wiring Diagram ? CAN ? ..................................... 15
Work Flow .............................................................. 17
CHECK SHEET ................................................... 18
CHECK SHEET RESULTS (EXAMPLE) ............. 20
INSPECTION ...................................................... 25
Circuit Check Between TCM and Data Link Con-
nector ..................................................................... 26
Circuit Check Between Data Link Connector and
Unified Meter and A/C Amp. .................................. 27
Circuit Check Between Unified Meter and A/C Amp.
and BCM ................................................................ 27
Circuit Check Between BCM and ABS Actuator and
Electric Unit (Control Unit) ...................................... 28
ECM Circuit Check ................................................. 29
TCM Circuit Check ................................................. 30
Data Link Connector Circuit Check ........................ 31
Unified Meter and A/C Amp. Circuit Check ............ 31
BCM Circuit Check ................................................. 32
ABS Actuator and Electric Unit (Control Unit) Circuit
Check .....................................................................33
IPDM E/R Circuit Check .........................................33
CAN Communication Circuit Check ........................34
IPDM E/R Ignition Relay Circuit Check ..................37
Component Inspection ............................................37
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
TION ....................................................................37
CAN SYSTEM (TYPE 2) ...........................................38
System Description ................................................. 38
Component Parts and Harness Connector Location ...38
Wiring Diagram ? CAN ? .....................................39
Work Flow ............................................................... 41
CHECK SHEET ...................................................42
CHECK SHEET RESULTS (EXAMPLE) .............44
INSPECTION ......................................................46
Circuit Check Between Data Link Connector and
Unified Meter and A/C Amp. ...................................46
Circuit Check Between Unified Meter and A/C Amp.
and BCM ................................................................. 47
Circuit Check Between BCM and ABS Actuator and
Electric Unit (Control Unit) ......................................48
ECM Circuit Check .................................................49
Data Link Connector Circuit Check ........................49
Unified Meter and A/C Amp. Circuit Check ............50
BCM Circuit Check .................................................51
ABS Actuator and Electric Unit (Control Unit) Circuit
Check .....................................................................52
IPDM E/R Circuit Check .........................................52
CAN Communication Circuit Check ........................53
IPDM E/R Check ....................................................55
IPDM E/R Ignition Relay Circuit Check ..................55
Component Inspection ............................................56
ECM/IPDM E/R INTERNAL CIRCUIT INSPEC-
TION ....................................................................56
CAN SYSTEM (TYPE 3) ...........................................57
System Description ................................................. 57
Component Parts and Harness Connector Location ...57
Wiring Diagram ? CAN ? .....................................58
Work Flow ............................................................... 60