Toyota COROLLA 2004 Electrical Wiring Diagram - introduction
A INTRODUCTION
This manual consists of the following 13 sections:
No. Section Description
INDEX Index of the contents of this manual.
A
INTRODUCTION Brief explanation of each section.
HOW TO USE THIS
B
MANUAL
TROUBLE–
C
SHOOTING
D ABBREVIATIONS Defines the abbreviations used in this manual.
GLOSSARY OF
TERMS AND
E
SYMBOLS
Instructions on how to use this manual.
Describes the basic inspection procedures for electrical circuits.
Defines the symbols and functions of major parts.
F RELAY LOCATIONS
ELECTRICAL
G
WIRING ROUTING
INDEX Index of the system circuits.
H
SYSTEM CIRCUITS
I GROUND POINT Shows ground positions of all parts described in this manual.
POWER SOURCE
J
(Current Flow Chart)
K CONNECTOR LIST
PART NUMBER OF
L
CONNECTORS
Shows position of the Electronic Control Unit, Relays, Relay Block, etc.
This section is closely related to the system circuit.
Describes position of Parts Connectors, Splice points, Ground points, etc.
This section is closely related to the system circuit.
Electrical circuits of each system are shown from the power supply through ground
points. Wiring connections and their positions are shown and classified by code
according to the connection method. (Refer to the section, ”How to use this manual”).
The ”System Outline” and ”Service Hints” useful for troubleshooting are also contained
in this section.
Describes power distribution from the power supply to various electrical loads.
Describes the form of the connectors for the parts appeared in this book.
This section is closely related to the system circuit.
Indicates the part number of the connectors used in this manual.
2
OVERALL
ELECTRICAL
M
WIRING DIAGRAM
Provides circuit diagrams showing the circuit connections.
2004 COROLLA (EWD533U)
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