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EFI Main Relay

  1. Ensure ignition is off. Remove EFI main relay from fuse/relay box near driver's side front corner of engine compartment, near the battery.
  2. To test EFI main relay continuity, use ohmmeter to check continuity between specified terminals. See Fig 1 or Fig 2.
  3. To test EFI main relay operation, apply battery voltage and ground to relay and use ohmmeter to check continuity between specified terminals. See Fig 1 or Fig 2. Replace EFI main relay if defective.
Fig 1: Testing EFI Main Relay Or EFI No. 2 Relay - Continuity
G95H32489Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing EFI Main Relay Or EFI No. 2 Relay - Operation
G95A32490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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