US PATENT SUBCLASS 701 / 31
.~.~ Self-test

Current as of: June, 1999
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701 /   HD   DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION

1  DF  VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION {19}
29  DF  .~ Vehicle diagnosis or maintenance indication {6}
31.~.~ Self-test

DEFINITION

Classification: 701/31

Self-test:

(under subclass 29) Vehicle diagnosis or maintenance indication wherein the electrical data processing system or calculating computer functions to check the diagnostic equipment or elements within said system, absent any external device.