SYSTEM AND METHODS FOR EVAPORATIVE EMISSIONS LEAK DETECTION BASED ON A VEHICLE LOCATION

摘要

A method for detecting evaporative emissions system leaks, comprising: adjusting a leak detection threshold based on a vehicle geographical location including jurisdiction borders; and indicating a leak based on the adjusted threshold. In this way, a vehicle may perform OBD EVAP leak tests in accordance with local regulations. This method allows for a single PCM to be installed in all vehicles of a certain model during manufacturing regardless of the jurisdiction where the vehicle will be sold, thereby reducing part complexity and simplifying the manufacturing process.

主权项

1. A method for detecting evaporative emissions system leaks, comprising:
adjusting a leak detection threshold based on a vehicle geographical location including jurisdiction borders; and indicating a leak based on the adjusted leak detection threshold.