Diagnostics, protection, and isolation system for electronic devices on a vehicle data communication bus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 14, 2004
Grant Date -
N/A
app pub date -
Sep 6, 2000
filing date -
Sep 6, 2000
priority date (Note) -
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Abstract
A system for use in programming and diagnostics of electronic devices (32) in a vehicle includes a connector jack (36) having a plurality of electrical connection sites configured for electrical connection to the electronic devices (32) in the vehicle. A shorting plug (38) configured to removably engage the connector jack (36) interconnects the plurality of electrical connection sites to form a data communication bus. An electronics module (50) configured to removably engage the connector jack (36) in place of the shorting plug includes a plurality of switching units (56) that, when set in a closed state, electrically interconnect each of the electronic devices (32) to form the data communication bus. Each switching unit (56a, . . . ,56g) in the electronics module (50) is selectively and independently operable to electrically disconnect an electronic device (32) from the data communication bus, especially for programming and diagnostics of the electronic devices (32) in the vehicle.
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