A theft prevention device includes an FI-ECU that controls starting of an engine, a BCM that performs first code authentication between the BCM and the FI-ECU, a voltage detection unit that detects a voltage supplied from a power supply to the FI-ECU or the BCM, and a control unit that performs second code authentication with the BCM and controls a device VSA that is different from the FI-ECU. The BCM performs authentication with the control unit only when the voltage detected by the voltage detection unit indicates a predetermined value or less.
Theft prevention device and theft prevention method
2016-05-31
Patent
Electronic Resource
English
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G06G Analogrechner , ANALOGUE COMPUTERS |
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