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Home >> Nissan-Datsun >> 1982 >> 280ZX Base, 2.8L Eng VIN C, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electronic Concentrated Engine Control >> Testing >> Component Testing >> EFI Relay
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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
    G09316252Courtesy of NISSAN NORTH AMERICA, INC.

    EFI relay is located in engine compartment. 

  3. Continuity should exist across terminals 1 and 2 and across terminals 3 and 6. With battery voltage applied to terminals 1 and 2, continuity should exist across terminals 3 and 5, but not at 3 and 6.. If not, replace relay.
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