Method for checking the plausibility of a measuring device for determining a quality of a urea water solution in a container of an SCR catalyst system

摘要

A method for plausibility checking a measuring device for determining a quality of a urea water solution in a container of an SCR catalyst system, comprising determining whether a filling of the container has taken place, determining the quality of the urea water solution in the container, and determining whether a fault of the Measuring device is present or whether the container has been filled with a urea water solution, the quality of which differs from a specification, from a filling status of the container and the quality of the urea water solution in the container.