Toyota Matrix 2003 Wiring Diagram

Key Features and Benefits:

  • Comprehensive diagrams and schematics that visually depict the electrical system of the Toyota Matrix 2003, including wiring harnesses, connectors, and components.
  • Detailed descriptions of electrical circuits, including their function, operation, and troubleshooting procedures.
  • Color-coded wiring diagrams for easy identification and tracing of wires.
  • Troubleshooting tips and diagnostic charts to assist in identifying and resolving electrical issues.
  • Essential for electrical repairs, modifications, and installations of additional equipment.

Technical Specifications and Details:

  • Covers all electrical systems of the Toyota Matrix 2003, including:
    • Lighting
    • Ignition
    • Fuel injection
    • Charging
    • Audio
    • Climate control
    • Body electronics
  • Includes detailed pinouts and connector views for all electrical components.
  • Provides wiring diagrams for both left-hand drive (LHD) and right-hand drive (RHD) models.

Benefits of Using the Wiring Diagram:

  • Accurately diagnose and repair electrical problems
  • Identify and trace wires and circuits
  • Install and troubleshoot aftermarket electrical components
  • Modify the electrical system for custom applications
  • Save time and money by performing electrical repairs yourself

The Toyota Matrix 2003 Wiring Diagram is an indispensable tool for anyone who wants to maintain, repair, or modify the electrical system of their vehicle. With its comprehensive diagrams, detailed descriptions, and troubleshooting tips, this wiring diagram empowers users to confidently diagnose and resolve electrical issues, ensuring the smooth and reliable operation of their Toyota Matrix.

This wiring diagram manual has been prepared to provide information on the electrical system of the 2003 COROLLA MATRIX.

Applicable models: ZZE132, 133, 134 Series.

For service specifications and repair procedures of the above models other than those listed in this manual, refer to the following manuals.

Manual Name Pub. No.

  • 2003 COROLLA MATRIX Repair Manual
  • Volume 1 RM940U1
  • Volume 2 RM940U2
  • 2003 COROLLA MATRIX New Car Features NCF222U

All information in this manual is based on the latest product information at the time of publication. However, specifications and procedures are subject to change without notice.


  • INDEX Index of the contents of this manual.
  • INTRODUCTION Brief explanation of each section.
  • HOW TO USE THIS MANUAL Instructions on how to use this manual.
  • TROUBLE± SHOOTING Describes the basic inspection procedures for electrical circuits.
  • ABBREVIATIONS Defines the abbreviations used in this manual.
  • GLOSSARY OF TERMS AND SYMBOLS Defines the symbols and functions of major parts.
  • RELAY LOCATIONS Shows position of the Electronic Control Unit, Relays, Relay Block, etc. This section is closely related to the system circuit.
  • ELECTRICAL WIRING ROUTING Describes position of Parts Connectors, Splice points, Ground points, etc. This section is closely related to the system circuit.
  • INDEX Index of the system circuits.
  • SYSTEM CIRCUITS 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.
  • GROUND POINT Shows ground positions of all parts described in this manual.
  • POWER SOURCE (Current Flow Chart) Describes power distribution from the power supply to various electrical loads.
  • CONNECTOR LIST Describes the form of the connectors for the parts appeared in this book. This section is closely related to the system circuit.
  • PART NUMBER OF CONNECTORS Indicates the part number of the connectors used in this manual.
  • OVERALL ELECTRICAL WIRING DIAGRAM Provides circuit diagrams showing the circuit connections.

Language: English
Format: PDF
Pages: 172

Toyota Matrix 2003 Wiring Diagram