SAE J1930 Terminology list

All emission related terms used in this publication in accordance with SAE J193O are listed. Accordingly, new terms, new acronyms/abbreviations and old terms are listed in the following chart





Air Cleaner thru Evaporative emission canister





Evaporative emission System thru Manifold Differential Pressure





Manifold Surface Temperature thru Three way + oxidation catalyst





Three way + oxidation catalytic converter system thru Wide open throttle position switch