Automotive igniton module diagnostic

Details Automotive igniton module diagnostic Automotive igniton module diagnostic

1995-11-17

1998-02-17

Dombroske, George M.

Measuring and testing

Simulating operating condition

Marine

73 3506, 731173, G01M 1500

Patent

active

057193304

ABSTRACT:
Ignition modules for directly applying spark plug drive signals to spark plug pairs disposed in engine cylinders are diagnosed by issuing drive signals to the ignition modules and then monitoring the corresponding engine cylinders for misfire condition patterns. Consistent misfire activity in each cylinder controlled by an individual ignition module is interpreted as a fault condition in the ignition module or in its peripheral circuitry, facilitating fault condition identification and treatment.

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