Vehicle Antitheft Device and Control Method of a Vehicle
First Claim
1. A vehicle antitheft device mounted to a vehicle equipped with a remote start device for starting an engine when a start signal radio-transmitted from a predetermined transmitter is received by an in-vehicle receiver, comprising:
- vehicle theft preventing means for preventing the vehicle from being thieved in accordance with a plurality of theft modes, respectively; and
partly stopping means for stopping a theft preventing function corresponding to a part of the theft modes before an engine start by said remote start device is started when said start signal is received by said in-vehicle receiver.
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Accused Products
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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Citations
7 Claims
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1. A vehicle antitheft device mounted to a vehicle equipped with a remote start device for starting an engine when a start signal radio-transmitted from a predetermined transmitter is received by an in-vehicle receiver, comprising:
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vehicle theft preventing means for preventing the vehicle from being thieved in accordance with a plurality of theft modes, respectively; and partly stopping means for stopping a theft preventing function corresponding to a part of the theft modes before an engine start by said remote start device is started when said start signal is received by said in-vehicle receiver. - View Dependent Claims (2, 3)
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4. A vehicle antitheft device mounted to a vehicle equipped with a remote start device for starting an engine when a start signal radio-transmitted from a predetermined transmitter is received by an in-vehicle receiver, comprising:
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preventing means for preventing the vehicle from being thieved in accordance with a plurality of theft modes, respectively; and partly stopping means for stopping, after an occurrence of vehicle theft according to a part of the theft modes is detected for at least a first time, an antitheft function corresponding to the part of the theft modes for a predetermined time period. - View Dependent Claims (5)
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6. A control method of a vehicle equipped with a remote start device for starting an engine when a start signal radio-transmitted from a predetermined transmitter is received by an in-vehicle receiver and an antitheft device for preventing theft of the vehicle in accordance with a plurality of theft modes, respectively, comprising:
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a first step of stopping a theft preventing function corresponding to a part of the theft modes by said antitheft device when said start signal is received by said in-vehicle receiver; and a second step of starting an engine start by said remote start device after the antitheft function corresponding to the part of the theft modes is stopped by said antitheft device. - View Dependent Claims (7)
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Specification