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Home >> Toyota >> 1997 >> Supra 3.0 D, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - Non-Turbo >> Relays >> EFI Main Relay

EFI Main Relay

  1. Ensure ignition is off. Remove EFI main relay from fuse/relay box at 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.
  3. To test EFI main relay operation, apply battery voltage and ground to specified terminals on EFI main relay and use ohmmeter to check continuity between specified terminals. See Fig 1. Replace EFI main relay if defective.
Fig 1: Testing EFI Main Relay Or EFI No. 2 Relay
G97E06400Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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