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EFI Relay

NOTE: EFI relay may also be referred to as EFI main relay.
  1. Ensure ignition is off. Remove EFI relay from fuse/relay box at driver's side front corner of engine compartment near the battery.
  2. To test EFI relay continuity, use ohmmeter to check continuity between specified terminals. See Fig 1 and Fig 2 .
  3. To test EFI relay operation, apply battery voltage and ground to EFI relay and use ohmmeter to check continuity between specified terminals. See Fig 1 and Fig 2 . Replace EFI relay if defective.
Fig 1: Testing EFI Relay (Bosch Relay)
G97I06483Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing EFI Main Relay (Denso Relay)
G97G06482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002