Immobilizer and method for initializing the immobilizer

Details Immobilizer and method for initializing the immobilizer Immobilizer and method for initializing the immobilizer

1996-07-22

1998-08-18

Hofsass, Jeffery

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

34082531, 34082534, 180287, 307 102, 361172, B60R 2510

Patent

active

057963290

ABSTRACT:
In an immobilizer and a method for initializing the immobilizer, a multiplicity of control devices, all of which must correctly signal back their identification code word before the vehicle can be started, are integrated in the immobilizer. If a control device is exchanged, the new control device must first be initialized. Key code words of two keys are necessary in order to do this. When both keys are accepted by a testing unit and a release signal is delivered to the testing unit through a diagnostics apparatus, the new code words are stored in the exchanged control device.

REFERENCES:
patent: 5006843 (1991-04-01), Hauer
patent: 5229648 (1993-07-01), Sues et al.
patent: 5414403 (1995-05-01), Greuter et al.
patent: 5583383 (1996-12-01), Denz et al.

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