Nissan 350Z Workshop Manual 2003 (31) PDF

PG-1
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION
A
B
PG
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
PRECAUTIONS .......................................................... 3
Precautions for Battery Service ................................ 3
POWER SUPPLY ROUTING CIRCUIT ...................... 4
Schematic ................................................................ 4
Wiring Diagram ? POWER ? ................................. 5
BATTERY POWER SUPPLY ? IGNITION SW.
IN ANY POSITION ................................................ 5
ACCESSORY POWER SUPPLY ? IGNITION
SW. IN ?ACC? OR ?ON? ....................................... 10
IGNITION POWER SUPPLY ? IGNITION SW.
IN ?ON? AND/OR ?START? ...................................11
Fuse ....................................................................... 16
Fusible Link ............................................................ 16
Circuit Breaker ....................................................... 16
IPDM E/R (INTELLIGENT POWER DISTRIBUTION
MODULE ENGINE ROOM) ...................................... 17
System Description ................................................ 17
SYSTEMS CONTROLLED BY IPDM E/R ........... 17
CAN COMMUNICATION LINE CONTROL ......... 17
IPDM E/R STATUS CONTROL ........................... 18
CAN Communication System Description .............. 18
CAN Communication Unit ...................................... 18
TYPE 1 ................................................................ 19
TYPE 2/TYPE3 ................................................... 20
TYPE 4/TYPE5 ................................................... 21
TYPE 6/TYPE7 ................................................... 22
Function of Detecting Ignition Relay Malfunction ... 23
Auto Active Test ..................................................... 24
DESCRIPTION .................................................... 24
OPERATION PROCEDURE ............................... 24
INSPECTION IN AUTO ACTIVE TEST MODE ... 24
Schematic .............................................................. 26
IPDM E/R Terminal Arrangement ........................... 27
IPDM E/R Terminal Inspection ............................... 28
IPDM E/R Power/Ground Circuit Inspection .......... 29
Removal and Installation of IPDM E/R ................... 30
REMOVAL ........................................................... 30
INSTALLATION ................................................... 30
GROUND ................................................................... 31
Ground Distribution .................................................31
MAIN HARNESS .................................................31
ENGINE ROOM HARNESS ................................33
ENGINE CONTROL HARNESS ..........................36
BODY HARNESS ................................................ 38
BODY NO.2 HARNESS ......................................40
TAIL HARNESS ...................................................41
BACK DOOR HARNESS ....................................42
HARNESS .................................................................43
Harness Layout ......................................................43
HOW TO READ HARNESS LAYOUT ................. 43
OUTLINE .............................................................44
MAIN HARNESS .................................................45
ENGINE ROOM HARNESS ................................47
ENGINE CONTROL HARNESS ..........................51
BODY HARNESS ................................................ 53
BODY NO.2 HARNESS ......................................55
TAIL HARNESS ...................................................56
ROOM LAMP HARNESS ....................................57
DOOR HARNESS ............................................... 58
Wiring Diagram Codes (Cell Codes) ......................60
ELECTRICAL UNITS LOCATION ............................ 63
Electrical Units Location ......................................... 63
ENGINE COMPARTMENT .................................. 63
PASSENGER COMPARTMENT .........................64
LUGGAGE COMPARTMENT ..............................67
HARNESS CONNECTOR .........................................68
Description ..............................................................68
HARNESS CONNECTOR (TAB-LOCKING
TYPE) ..................................................................68
HARNESS CONNECTOR (SLIDE-LOCKING
TYPE) ..................................................................69
JOINT CONNECTOR (J/C) .......................................70
Terminal Arrangement ............................................70
ELECTRICAL UNITS ................................................71
Terminal Arrangement ............................................71
SMJ (SUPER MULTIPLE JUNCTION) ..................... 73
Terminal Arrangement ............................................73