Erroneous connection detecting method of ignition devices...

Details Erroneous connection detecting method of ignition devices... Erroneous connection detecting method of ignition devices...

2008-05-06

2008-05-06

Argenbright, T. M (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C073S116070, C073S114220, C123S1980DA, C123S479000, C123S630000, C324S503000

Reexamination Certificate

active

11580114

ABSTRACT:
A method and an apparatus detect an erroneous connection between a plurality of ignition devices and a fuel injection control device. A first time interval is measured from an input of an ignition signal for a certain cylinder to an input of the next ignition signal and a second time interval from an input of the next ignition signal to an input of a further next ignition signal. An erroneous connection is determined by comparing a relationship between the first time interval and the second time interval with a previously stored normal relationship between the first time interval and the second time interval that are correctly connected in accordance with a predetermined procedure. The erroneous connection is outputted and displayed to a predetermined erroneous connection display device if it is determined that the erroneous connection exists.

REFERENCES:
patent: 4543936 (1985-10-01), Gardner et al.
patent: 4932381 (1990-06-01), Rousseau et al.
patent: 5107701 (1992-04-01), Smith
patent: 5325835 (1994-07-01), Kimata et al.
patent: 6079259 (2000-06-01), Starman
patent: 6761059 (2004-07-01), Hsia et al.

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