Injector control performance diagnostic systems

Details Injector control performance diagnostic systems Injector control performance diagnostic systems

2009-02-06

2010-12-28

Kirkland, III, Freddie (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Fuel system or part thereof

Reexamination Certificate

active

07856867

ABSTRACT:
A diagnostic system for a fuel injector control system according to the present disclosure includes a plurality of state monitoring modules and a fault determination module. The plurality of state monitoring module monitor a plurality of states of a driver circuit for a fuel injector based on data samples related to the plurality of states. The fault determination module diagnoses a fault in the driver circuit when at least one of the plurality of state monitoring modules receives a predetermined number of data samples indicating an undesired state within a sampling interval.

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