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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 >> DG - Knock Sensor >> DG3 - Check Continuity of KS and SIG RTN Circuits
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DG3 - Check Continuity of KS and SIG RTN Circuits



- Key "OFF".

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

- Knock Sensor (KS) disconnected.

- Measure resistance between SIG RTN circuit at the KS vehicle harness connector and test pin 46 at breakout box.

- Measure resistance between KS circuit at the KS vehicle harness connector and test pin 23 at breakout box.

- Is each resistance less than 5.0 ohms?

Yes -- Go to DG4. DG4 - Check KS Circuit For Short to Ground

No -- Service open circuit. Remove breakout box. Reconnect all components. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

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