Electronic Control Systems: Notes
WARNING: This page is about a different car, the 2010 Acura TL and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
The functions of the fuel and emission control systems are managed by the engine control module (ECM) on vehicle with manual transmissions or the powertrain control module (PCM) on vehicle with automatic transmissions.