2002
All rights reserved. This book may not be
reproduced or copied, in whole or in part, without
the written permission of Toyota Motor
Corporation.
2003 4RUNNER (EWD514U)
1
2003 4RUNNER
ELECTRICAL WIRING DIAGRAM
Section Code Page
INTRODUCTION A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
HOW TO USE THIS MANUAL B. . . . . . . . . . . . . . . . . . 3
TROUBLESHOOTING C. . . . . . . . . . . . . . . . . . . . . . . . . 12
ABBREVIATIONS D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
GLOSSARY OF TERMS AND SYMBOLS E. . . . . . . . 18
RELAY LOCATIONS F. . . . . . . . . . . . . . . . . . . . . . . . . . . 20
ELECTRICAL WIRING ROUTING G. . . . . . . . . . . . . . . 32
SYSTEM CIRCUITS H. . . . . . . . . . . . . . . . . . . . . . . . . . . NO TAG
GROUND POINT I. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
POWER SOURCE (Current Flow Chart) J. . . . . . . . . 364
CONNECTOR LIST K. . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
PART NUMBER OF CONNECTORS L. . . . . . . . . . . . . 388
OVERALL ELECTRICAL WIRING DIAGRAM M. . . . . 394
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