Method for controlling discharge pump of dosing unit for liquid medium of vehicle, involves lowering pump speed according to predetermined pump speed-time-function on absolute minimum value in case of abrupt reduction of dosing amount

摘要

The method involves lowering the pump speed according to a predetermined pump speed-time-function on an absolute minimum value in the case of an abrupt reduction of the dosing amount. The pump speed is lowered as quickly as possible on a predetermined value during the presentation of the abrupt reduction of the dosing amount. Independent claims are also included for the following: (1) a computer program for executing a controlling method; and (2) a computer program product with a program code.