EFI Main Relay (4Runner)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2002 Toyota Tundra, 2002 Toyota Tacoma, 2002 Toyota Sienna, 2002 Toyota Sequoia, and 2002 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
EFI main relay may also be referred to as EFI relay. EFI fuse supplies constant battery voltage to one side of EFI main relay. EFI main relay is energized by MREL terminal of Engine Control Module (ECM). When EFI main relay is energized, EFI main relay provides battery voltage to circuit opening relay, +B terminal of ECM and various other electrical components. For EFI main relay location, see EFI MAIN RELAY LOCATION table.
EFI MAIN RELAY LOCATION
| Application | Location |
|---|---|
| Avalon, Camry & Camry Solara | In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment |
| Celica, Corolla, ECHO & Highlander | In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment, Just In Front Of Strut Tower |
| Land Cruiser | In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment |
| MR2 | In Relay Box On Firewall At Driver's Side Front Corner Of Engine Compartment |
| Prius, RAV4, Sequoia, Sienna, Tacoma, Tundra & 4Runner | In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment |