Mazda Motor Corporation

Manabu Takeshige

Atsushi Okamitsu

Teruo Yoshii

Shinji Mori

An anti-theft system for a vehicle includes a first control unit (an ammobilizer) that makes a collation of a key code of an individual key inserted in an ignition key with a reference key code representative of an intrinsic key exclusive to an engine of the vehicle stored in an EEPROM, stores data of a result of the collation, agreement or disagreement between the two key codes, in a B/URAM, and provides a second control unit for controlling engine operation with an instruction, an approval instruction for permitting the engine to operate or a refusal instruction for prohibit the engine from operating, according to the collation result that is stored in the B/URAM.

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Hiroshima, Japan

Manabu Takeshige