FixVault

EFI Relay

  1. With battery cables connected and ignition on, measure voltage between control unit connector pin 35 and ground. Battery voltage should be present.
  2. If not, check EFI relay operation. Relay is located under a cover in engine compartment. See Fig 1 .
    Fig 1: EFI Relay Location & Test Connections
    G42005
  3. Continuity should exist across terminals 1 and 2, and 3 and 6. With battery voltage applied to terminals 1 and 2, continuity should exist across terminals 3 and 5. If not, replace relay.