Motor vehicle diagnostic and monitoring system

Details Motor vehicle diagnostic and monitoring system Motor vehicle diagnostic and monitoring system

1980-06-17

1981-07-07

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

340 27R, 340 52R, 34087009, G08B 1900

Patent

active

042777720

ABSTRACT:
A diagnostic and warning system for a motor vehicle monitors the condition of a number of preselected parameters. When the condition of a parameter is representative of a fault condition, the system energizes a malfunction lamp in the vehicle compartment during the period of the detected fault and the particular fault detected is stored in a nonvolatile memory. A single counter is employed which functions to filter intermittent malfunctions for each of the monitored parameters and which imposes a minimum time duration for energization of the malfunction lamp.

REFERENCES:
patent: 3866166 (1975-02-01), Kerscher et al.
patent: 3949356 (1976-04-01), Fuzzell et al.

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