Toyota Tacoma Back-Up Light System Location Guide
Locate the back-up light system components, relays, fuses, and transmission switches for the 2000 Toyota Tacoma. Includes detailed diagrams for both manual and automatic transmission configurations.
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This document provides the physical location of components related to the back-up light system for the 2000 Toyota Tacoma. It is intended for service and diagnostic purposes to help identify where specific electrical components and switches are mounted on the vehicle.
System component locations
The back-up light system relies on several electrical components located throughout the vehicle. Refer to the system diagram to locate the following:

- Ignition Switch: Located in the steering column area.
- No.1 J/B (Junction Block): Contains the Back-Up Light Relay, CIG Fuse, and GAUGE Fuse.
- Back-Up Light: Located at the rear of the vehicle.
Transmission switch locations
The location of the switch responsible for activating the back-up lights depends on the transmission type of the vehicle:

- Manual Transmission (M/T) Vehicles: The Back-Up Light Switch is located on the side of the transmission housing. This applies to both RZN and VZN series engines.
- Automatic Transmission (A/T) Vehicles: The PNP (Park/Neutral Position) Switch is located on the side of the transmission housing.
Manufacturer information
Toyota Motor Corporation
Practical help
Common problems
Check the CIG Fuse and GAUGE Fuse located in the No.1 Junction Block (J/B).
Locate the Back-Up Light Relay within the No.1 Junction Block (J/B) for testing or replacement.
Images and diagrams
- System Overview: Illustrates the general layout of the ignition switch, junction block, and rear light assembly.
- M/T Switch Location: Shows the specific mounting point of the back-up light switch on the manual transmission casing.
- A/T Switch Location: Shows the mounting point of the PNP switch on the automatic transmission casing.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.