2003 Toyota Tacoma Wiring Diagram

$14.90

This is the original OEM workshop electrical manual for the 2003 Toyota Tacoma wiring diagram, manual reference (EWD517U) in a simple PDF format.

This is the original OEM workshop electrical manual for the 2003 Toyota Tacoma wiring diagram, manual reference (EWD517U) in a simple PDF format.

 in a simple PDF format.

Applicable Models:

  • VZN150,170,195 Series
  • RZN140,150,161,
  • RZN171,191,196 Series
  • Regular Cab
  • Double Cab
  • Double Extra Cab

Engines Covered: 

  • 5VZ–FE 2WD M/T, 3RZ–FE AND 2RZ–FE

This manual contains circuit wiring diagrams of each electrical system, wiring route diagrams and harnesses, and an electric diagram showing the location of relays, etc. It is the same manual that your local Toyota dealer is using when repairing your car.

File Format PDF
File Language English
You’ll Get  4.7 MB
Page Count 333
Delivery Method Instant Download

This manual includes the procedures for maintenance, disassembling, reassembling, inspection, and adjustment of components and diagnostics for the guidance of experienced mechanics. Please peruse and utilize this manual to ensure complete repair work to keep your vehicle in optimum condition. Before buying this manual. Please make sure to use Toyota OEM genuine parts. when replacing parts during repair work,  

Table of Contents

  • Index
  • Foreword
  • Introduction
  • How to Use
  • Troubleshooting
  • Abbreviations
  • Glossary of Terms and Symbols
  • Relay Locations
  • Electrical Wiring Routing 1
  • Electrical Wiring Routing 2
  • System Circuits
  • System Circuits
  • Power Source
  • Starting and Ignition (5VZ-FE)
  • Starting (3RZ-FE, 2RZ-FE)
  • Ignition (3RZ-FE, 2RZ-FE)
  • Charging
  • Engine Control (5VZ–FE EXCEPT 2WD M/T)
  • Engine Control (5VZ–FE 2WD M/T)
  • Engine Control (3RZ–FE)
  • Engine Control (2RZ–FE)
  • Headlight (w/o Daytime Running Light)
  • Headlight (w/ Daytime Running Light)
  • Interior Light
  • Taillight and Illumination
  • Turn Signal and Hazard Warning
  • Stop Light
  • Back-up Light
  • Light Auto Turn Off
  • Electronically Controlled Transmission (5VZ–FE)
  • Electronically Controlled Transmission (3RZ–FE)
  • Automatic Transmission (2RZ-FE)
  • Cruise Control (EXCEPT 5VZ–FE 2WD M/T, 3RZ–FE AND 2RZ–FE)
  • Cruise Control (5VZ–FE 2WD M/T, 3RZ–FE AND 2RZ–FE)
  • ABS
  • Horn
  • SRS
  • 4WD (w/ 2–4 SELECT SW)
  • 4WD (w/o 2–4 SELECT SW)
  • Rear Differential Lock
  • Shift Lock
  • Door Lock Control
  • Power Window
  • Remote Control Mirror (w/ Power Window)
  • Remote Control Mirror (w/o Power Window)
  • Wiper and Washer (w/ INT TIME SW MECHANISM)
  • Wiper and Washer (w/o INT TIME SW MECHANISM)
  • Key Reminder and Seat Belt Warning
  • Power Outlet
  • Cigarette Lighter and Clock
  • Power Seat
  • Radio and Player
  • Combination Meter (w/ Tachometer)
  • Combination Meter (w/o Tachometer)
  • Air Conditioning
  • Ground Point
  • Power Source (Current Flow Chart)
  • Connector List
  • Part Number of Connectors
  • Overall Electrical Wiring Diagram 1
  • Overall Electrical Wiring Diagram 2

Sample Pages: 2003 Toyota Tacoma Wiring Diagram


CAUTION: Please note that this manual is made for the use of persons who have special techniques and certifications. If non-specialized or uncertified technicians perform repairs or services only using this manual or without proper equipment or tools, this may cause severe injury to you or other persons nearby and also cause damage to your vehicle. To prevent dangerous operations and damage to your vehicle, please be sure to follow the instructions thoroughly.

 

Brands

File Format

PDF

File Language

English

File Size

4.7 MB

Page Count

333

Instant Download

YES