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Engine control for vehicle using electronic key system

  • US 20040093127A1
  • Filed: 10/24/2003
  • Published: 05/13/2004
  • Est. Priority Date: 10/28/2002
  • Status: Active Grant
First Claim
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1. A control device for an engine of a vehicle, the engine comprising an operating device which operates the engine under an electronic key system comprising a portable electronic key which emits an identification code, and an identification device mounted in the vehicle to verify the identification code of the electronic key, the control device comprising:

  • a programmable controller programmed to;

    control the operating device to execute an idle stop which stops the engine under a predetermined stop condition;

    control the operating device to restart the engine during the idle stop when any of a plurality of restart conditions are satisfied, the restart conditions including a restart request from a driver of the vehicle;

    determine whether or not the engine is in the idle stop;

    determine whether or not a restart condition is satisfied which does not correspond to a restart request from the driver during an idle stop;

    control the identification device to verify the identification code of the electronic key when a restart condition is satisfied which does not correspond to the restart request from the driver during the idle stop; and

    prohibit the operating device from restarting the engine when the identification device has failed in verifying the identification code.

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