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System and method for controlling an electrically heated catalyst for a hybrid vehicle

  • US 8,727,050 B2
  • Filed: 02/25/2009
  • Issued: 05/20/2014
  • Est. Priority Date: 02/25/2009
  • Status: Expired due to Fees
First Claim
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1. A method of operating a vehicle comprising:

  • generating a remote start signal;

    in response to the remote start signal, initiating preheating of an electrically heated catalyst; and

    starting an engine independent of a state-of-charge of a battery in response to a catalyst temperature being less than a predetermined temperature when an ignition is in an off position after initiating preheating.

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