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Method and apparatus for an automotive security system which permits engine running prior to code comparison

  • US 5,539,260 A
  • Filed: 08/29/1994
  • Issued: 07/23/1996
  • Est. Priority Date: 08/29/1994
  • Status: Expired due to Term
First Claim
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1. A security system for an automotive vehicle having an engine, the security system operatively connected between engine running electrical components which are connected to an electrical power source and a lock switch having at least two operative positions, the system comprising:

  • a lock switch operator;

    a memory device carried on said lock operator having a first security code; and

    a theft control module having a memory storing a second security code operatively connected between the switch and the engine running electrical components for comparing said first and second security codes, said theft control module operative to first permit the engine running electrical components to enable the starting of the engine and after comparing said first and second security codes and finding said first security code not equal to said second security code, disconnecting the engine running electrical components from the electrical power source thereby disabling the engine.

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