LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1994 >> Pickup Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Relays >> EFI Main Relay
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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