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Symptom List: P1725-INDUCTIVE AUX. SPEED SENSOR DYN. PLAUSIBILITY Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P1725-INDUCTIVE AUX. SPEED When Monitored and Set Condition: P1725-INDUCTIVE AUX. SPEED SENSOR DYN. PLAUSIBILITY When Monitored: With the engine running. Set Condition: The ECM has determined that the inductive auxiliary speed sensor values are incorrect during an engine speed transition. P1725-INDUCTIVE AUX. SPEED SENSOR OVERSPEED RECOGNITION When Monitored: With the engine running. Set Condition: The ECM detects the engine speed signal from the needle movement sensor has exceeded 6600 RPM. P1725-INDUCTIVE AUX. SPEED SENSOR PLAUSIBILITY When Monitored: With the engine running. Set Condition: The ECM has determined that the needle movement sensor input is incorrect. P1725-INDUCTIVE AUX. SPEED SENSOR STATIC PLAUSIBILITY When Monitored: With the engine running. Set Condition: The ECM has determined that the inductive auxiliary speed sensor values are incorrect. POSSIBLE CAUSES INTERMITTENT CONDITION CHECK THE NEEDLE MOVEMENT SENSOR CONNECTOR TERMINALS MIS-ROUTED WIRING HARNESS NEEDLE MOVEMENT SENSOR SIGNAL CIRCUIT OPEN NEEDLE MOVEMENT SENSOR GROUND CIRCUIT OPEN ENGINE CONTROL MODULE 200 DRIVEABILITY - DIESEL |