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Home >> Ford >> 1994 >> Taurus V6-232 3.8L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> H - Fuel Control >> H9 - Check Continuity of Fuel Injector Harness
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H9 - Check Continuity of Fuel Injector Harness




- Key "OFF".

- Breakout box installed, Powertrain Control Module (PCM) disconnected.

- Disconnect injector vehicle harness connector at the suspect injector.

- Measure resistance between test pin 37/57 at the breakout box and the VPWR pin at the injector vehicle harness connection.

- Refer to the Pinpoint Testing Schematic for the appropriate injector pin identification. H - Test Schematic

- Measure resistance between the injector test pin(s) at the breakout box and the same injector circuit signal pin at each injector vehicle harness connector.

- Is each resistance less than 5.0 ohms?

Yes -- Go to H10. H10 - Check Injector Harness Circuit For Short to Power/Ground

No -- Service open circuit. Remove breakout box. Reconnect PCM and injectors. Drive vehicle 5 miles/55 mph. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)


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