Patent ID: 8249772
Filing Date: 2012-08-21
Classification: B60R,H04L

Abstract:
1. An electric wiring system of a motor vehicle with a plurality of control devices that communicate with each other via a data bus, and with an immobilizer, wherein the immobilizer comprises at least a first and a second control device from the plurality of control devices and an authentication apparatus, the plurality of control devices makes authentication information available, the authentication information of the plurality of control devices is supplied via the data bus to the authentication apparatus, the authentication apparatus checks whether the authentication information transmitted from the first and the second control device corresponds to authentication information expected for the first control device and the second control device, respectively, the authentication apparatus cancels the immobilizer of the vehicle when the authentication information transmitted from the first and the second control device corresponds to the authentication information expected for the first and second control devices, and the at least first and second control devices included in the immobilizer from among the plurality of control devices are selectable based upon the authentication information.