Anti-theft apparatus which permits the engine to start prior to

Details Anti-theft apparatus which permits the engine to start prior to Anti-theft apparatus which permits the engine to start prior to

1997-04-08

1997-12-30

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

180287, 34082572, B60R 2504

Patent

active

057034141

ABSTRACT:
An anti-theft apparatus prevents a delay in engine start caused by an ID legitimacy determination performed by an immobilizer. When an ignition key is operated, a starter motor is immediately energized and an engine control unit and a theft detector are actuated at the same time. Then, when independent running of the engine is detected by a detector, an immobilization determining section determines whether an enable code has been provided from the theft detector. If no enable code is present, then the immobilization determining section issues a halt command to the engine control unit. Thus, as soon as the key is turned to the on-position, the engine is started, thereby preventing a delay in engine start caused by the ID determination performed by the immobilizer.

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patent: 5473200 (1995-12-01), Woo
patent: 5519376 (1996-05-01), Iijima
patent: 5539260 (1996-07-01), Khangura et al.

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