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CARB Heavy-Duty OBD Workshop

CARB Heavy-Duty OBD Workshop. Mobile Source Control Division California Air Resources Board. February 16, 2005 El Monte, CA. California Environmental Protection Agency. AIR RESOURCES BOARD. Outline. Introduction/Background General OBD System Requirements Proposed Monitoring Requirements

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CARB Heavy-Duty OBD Workshop

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  1. CARB Heavy-Duty OBD Workshop Mobile Source Control Division California Air Resources Board February 16, 2005 El Monte, CA

  2. California Environmental Protection Agency AIR RESOURCES BOARD Outline • Introduction/Background • General OBD System Requirements • Proposed Monitoring Requirements • Standardization Requirements • Demo Test and Certification Requirements • Post-Production Testing • Other Issues

  3. California Environmental Protection Agency AIR RESOURCES BOARD Introduction • Initial draft staff proposal made available late July 2003 with a workshop in October 2003 • Proposal was subsequently deferred • Work began again in early 2004 • New draft proposal was released January 2005 • Finalized regulation and staff report out in late May/early June, with Board Hearing scheduled in July 2005

  4. California Environmental Protection Agency AIR RESOURCES BOARD Main Modifications From Earlier Versions • Higher (i.e., less stringent) emission thresholds for many component monitors in 2010-2012 • Allow either SAE J1939 or ISO 15765-4 for the OBD communication protocol • Limit monitoring to components used by engine

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