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Home >> Toyota >> 1996 >> 4Runner Base, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 2.7L >> Relays >> EFI Main Relay

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.
    NOTE: The EFI main relay may also be identified using appropriate illustration in THEORY/OPERATION - 2.7L article.
    EFI MAIN RELAY LOCATION

    Application Location
    4Runner In Large Fuse/Relay Box Near Driver's Side Front Corner Of Engine Compartment
  2. To test EFI main relay continuity, using ohmmeter, check continuity between specified terminals. See Figure and Figure.
  3. To test EFI main relay operation, apply battery voltage and ground to relay and use ohmmeter to check continuity between specified terminals. See Figure and Figure. Replace EFI main relay if defective.
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