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Home >> Chrysler >> 1993 >> LeBaron GTC, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.0L >> Fault Code Tests >> Test FC-17B - Injector #1 Control Circuit

Test FC-17B - Injector #1 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. 1 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. 1 connector, ASD output circuit (Dark Green/Orange wire). If voltage is less than 10 volts, repair open in Dark Green/Orange 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. 1 circuit (White/Dark Blue wire) between injector No. 1 connector and injector harness connector (injector side).
  4. If resistance is more than 5 ohms, repair open in White/Dark Blue wire. Perform VERIFICATION PROCEDURE VER-2. If resistance is less than 5 ohms, replace injector. Perform VERIFICATION PROCEDURE VER-2.
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