Engine Management System (Ems) 2000 (B4204T2 CVVT; 2000): General
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
The information in the document describes the engine management system EMS 2000 for turbo engines. It also applies to non-turbo engines although there may be differences in both design and function.