1995 Toyota Tercel Base, AutomaticFACTORY OEM SERVICE PROCEDURE

EFI Main Relay

  1. Ensure ignition is off. Remove EFI main relay. See EFI MAIN RELAY LOCATIONΒ  table.
    NOTE: The EFI main relay may also be identified using appropriate illustration in the THEORY/OPERATION article or wire color. See wiring diagram in the WIRING DIAGRAMS article.
    EFI MAIN RELAY LOCATION

    Application Location
    Tercel Fuse/Relay Box Near Driver's Side Front Corner Of Engine Compartment
  2. Using ohmmeter, check continuity between specified terminals. See Fig 1.
  3. Check EFI main relay operation by applying battery voltage and ground and checking continuity between specified terminals. See Fig 2. Replace EFI main relay if defective.
Fig 1: Testing EFI Main Relay (Checking Continuity)
G95E32643Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.