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EFI Main Relay

  1. Ensure ignition is off. Remove EFI main relay. See EFI MAIN RELAY LOCATION  table. Using ohmmeter, check continuity between specified terminals. See Fig 1-19.
  2. Check EFI main relay operation by applying battery voltage and ground and checking continuity between specified terminals. See Fig 1-19. Replace EFI main relay if defective.
NOTE: The EFI main relay may also be identified using appropriate illustration in THEORY/OPERATION article or wire color. See appropriate wiring diagram in WIRING DIAGRAMS article.
EFI MAIN RELAY LOCATION

Application Location
Pickup Fuse/Relay Box Near Passenger's Side Front Corner Of Engine Bay
Fig 1: Testing EFI Main Relay - Checking Continuity (2.4L)
G93E79917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Testing EFI Main Relay - Checking Operation (2.4L)
G93F79918Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Testing EFI Main Relay - Checking Continuity (3.0L)
G93G79919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Testing EFI Main Relay - Checking Operation (3.0L)
G93J79920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002