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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 >> Fuel Injectors
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Fuel Injectors

NOTE: Never turn the selecting switch of the tester to the "Ohmmeter" or "Ammeter" position during these tests, as it may burn out the injectors and circuit.
  1. Connect battery ground cable. Use a voltmeter to measure between ground and the following terminals at control unit connector: 101, 102, 103, 104, 105, and 106. Battery voltage should be present at all terminals.
  2. If battery voltage was not present at terminal, check the appropriate injector. Disconnect battery ground cable and remove connectors at injector.

    Continuity should exist across terminals on injector. If not, replace injector.

    NOTE: Injector circuits are numbered according to cylinder number. For example, injector power circuit 103 goes to cylinder 3, etc.
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