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System and methods for evaporative emissions leak detection based on a vehicle location

  • US 9,291,128 B2
  • Filed: 10/15/2013
  • Issued: 03/22/2016
  • Est. Priority Date: 10/15/2013
  • Status: Active Grant
First Claim
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1. A method for detecting evaporative emissions system leaks of a vehicle, comprising:

  • via a controller onboard the vehicle with instructions stored in non-transitory memory;

    receiving updated software modules and information through the internet, the updated modules stored in the non-transitory memory, and receiving a geographical location including jurisdiction borders via a GPS coupled to the vehicle, and cross-referencing information received from GPS to information from the internet to determine local weather conditions and local vehicle regulations;

    adjusting a leak detection threshold stored in memory based on the vehicle geographical location including jurisdiction borders and the cross-referenced local vehicle regulations;

    adjusting one or more leak detection test parameters based on the adjusted leak detection threshold; and

    indicating a leak based on the adjusted leak detection threshold, the vehicle being a hybrid vehicle.

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