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EFI Main Relay

  1. To test relay continuity, use ohmmeter to check for continuity and no continuity between specified terminals on EFI main relay. See Figure. If there is no continuity between terminals No. 1 and 2, or there is continuity between terminals No. 3 and 5, replace relay.
  2. Apply battery positive voltage across terminals No. 1 and 2. Using an ohmmeter, check that there is continuity between terminals No. 3 and 5. If there is no continuity, replace relay.