On-vehicle diagnostic unit for electronic ignition systems

Details On-vehicle diagnostic unit for electronic ignition systems On-vehicle diagnostic unit for electronic ignition systems

1985-08-20

1987-08-25

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

Electronic ignition system

324500, F02P 1700

Patent

active

046895736

ABSTRACT:
An on-vehicle diagnostic unit for an electronic ignition system monitors input signal received and output signals produced by the electronic ignition control unit on a continuous basis and displays an indiction of proper operation or failure. The failure indication is produced in response to a permanent or intermittent failure, irrespective of the failure mode of the electronic ignition control unit.

REFERENCES:
patent: 4331921 (1982-05-01), Walker
patent: 4331922 (1982-05-01), Walker
patent: 4333054 (1982-06-01), Walker
patent: 4449100 (1984-05-01), Johnson et al.

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