Operation CHARM: Car repair manuals for everyone.

Powertrain Management: Application and ID




Air Cleaner thru Evaporative Emission Canister




Evaporative Emission System thru Manifold Differential Pressure Sensor




Manifold Surface Temperature thru Three Way+ Oxidation Catalyst




Three Way+ Oxidation Catalytic Converter System thru Wide open throttle position switch

All emission related terms used in this publication in accordance with SAE J1930 are listed. Accordingly, new terms, new acronyms/abbreviations and old terms are listed in the following chart.