Failure diagnosis apparatus
First Claim
1. A failure diagnosis apparatus for a vehicle in which a plurality of electronic controllers mounted on the vehicle are connected with one another by means of a plurality of network buses for transmitting data between the electronic controllers through the network buses, said apparatus including a gateway with a protocol conversion section for enabling said plurality of electronic controllers to mutually communicate with one another through said plurality of network buses, said gateway comprising:
- an information acquisition section for acquiring control information or diagnosis information about diagnoses respectively performed by said plurality of electronic controllers; and
a failure diagnosis section for diagnosing failure of the vehicle by using said control information or diagnosis information acquired by said information acquisition section.
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Accused Products
Abstract
A failure diagnosis apparatus for a vehicle enables communications between a gateway, which automatically and effectively collects information on a condition of a vehicle having a plurality of network buses, and an information center outside the vehicle in an automatic and efficient manner. A failure diagnosis section is mounted on the gateway installed on the vehicle. The vehicle-installed gateway has a connecting section for connection to information communications terminals such as portable telephones through wireless communications. In addition, the vehicle-installed gateway has a protection processing section for performing security processing on possession information possessed by the gateway.
50 Citations
9 Claims
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1. A failure diagnosis apparatus for a vehicle in which a plurality of electronic controllers mounted on the vehicle are connected with one another by means of a plurality of network buses for transmitting data between the electronic controllers through the network buses,
said apparatus including a gateway with a protocol conversion section for enabling said plurality of electronic controllers to mutually communicate with one another through said plurality of network buses, said gateway comprising: -
an information acquisition section for acquiring control information or diagnosis information about diagnoses respectively performed by said plurality of electronic controllers; and
a failure diagnosis section for diagnosing failure of the vehicle by using said control information or diagnosis information acquired by said information acquisition section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification