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Test FC-18B - Injector #2 Control Circuit

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  at end of article.
NOTE: It may be necessary to remove intake plenum when performing this procedure.
  1. Reconnect 8-pin injector harness connector. Disconnect injector No. 2 connector. Turn ignition on. Using DRB-II, actuate Auto Shutdown (ASD) relay. Place DRB-II in voltmeter mode.
  2. Using DRB-II, check voltage of injector No. 2 connector, ASD output circuit (Dark Green/Yellow wire). If voltage is less than 10 volts, repair open in Dark Green/Yellow wire. Perform VERIFICATION PROCEDURE VER-2. If voltage is more than 10 volts, turn ignition off. Go to next step.
  3. Disconnect 8-pin injector harness connector. Using an external ohmmeter, check resistance of injector driver No. 2 circuit (Brown wire) between injector No. 2 connector and injector harness connector (injector side).
  4. If resistance is more than 5 ohms, repair open in Brown wire. Perform VERIFICATION PROCEDURE VER-2. If resistance is less than 5 ohms, replace injector. Perform VERIFICATION PROCEDURE VER-2.
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