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Vehicle anti-theft system and method

  • US 6,356,186 B1
  • Filed: 03/24/1999
  • Issued: 03/12/2002
  • Est. Priority Date: 03/24/1999
  • Status: Expired due to Fees
First Claim
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1. A vehicle anti-theft method for use in a vehicle having an internal combustion engine, an engine controller, and a memory, the engine controller being configured to operate the engine in a plurality of different modes including a theft protection mode that limits engine output while allowing the engine to run, the method comprising:

  • receiving an arm password;

    comparing the arm password with a stored password in the memory; and

    operating the engine in the theft protection mode when the arm password matches the stored password, wherein the engine controller limits engine output but allows the engine to run at idle and wherein the engine controller permits the engine to shutdown and then restart to idle while remaining in the theft protection mode.

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