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EFI Main Relay

NOTE: EFI main relay may also be referred to as EFI relay.
  1. Ensure ignition is off. Remove EFI main relay. See EFI MAIN RELAY LOCATION  table.
    EFI MAIN RELAY LOCATION

    Application Location
    Camry, Camry Solara & Celica In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment, Near Battery
    Corolla In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment, Near Strut Tower
    RAV4 In Fuse/Relay Box Behind Driver's Side Of Instrument Panel, Next To Steering Column, Or In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment
    Tacoma & 4Runner In Fuse/Relay Box At Driver's Side Front Corner Of Engine Compartment, Near Battery
  2. To test EFI main relay continuity, use ohmmeter to check for continuity and no continuity between specified terminals on EFI main relay. See Figure-Fig 3 .
  3. To test EFI main relay operation, apply battery voltage and ground to EFI main relay and use ohmmeter to check for continuity between specified terminals on EFI main relay. See Figure-Fig 3 . Replace EFI main relay if defective.
Fig 1: Testing EFI Main Relay (Camry, Camry Solara & Corolla)
G97C06258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing EFI Main Relay (Celica & RAV4)
G97C06277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Testing EFI Main Relay (Tacoma)
G97E06278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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