Vehicle antitheft device and control method of a vehicle

Details Vehicle antitheft device and control method of a vehicle Vehicle antitheft device and control method of a vehicle

2003-12-25

2010-12-28

Paladini, Albert W (Department: 2836)

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

C340S005720

Reexamination Certificate

active

07859129

ABSTRACT:
When a remote start of an engine using a predetermined transmitter is performed, a security regarding theft of a vehicle can be prevented form being significantly deteriorated. The vehicle has a remote engine starter for remotely start an engine and a vehicle antitheft device for activating an alarm when there is a possibility of occurrence of vehicle theft. The remote engine starter and the vehicle antitheft device are connected to each other through a communication line. In a case where an engine start signal is supplied from the transmitter, the remote engine starter is caused to supply a start signal to the vehicle antitheft device through the communication line before causing a contact point closing signal to be supplied to an ignition relay. When the start signal is supplied to the vehicle antitheft device, preventing apparatus, only the security function regarding conditions of no-insertion of an ignition key and an ignition ON is cancelled to be an unvigilant state, and the security function regarding other conditions is maintained to be a vigilant state.

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