Actuating device for a lambda probe and method for compensating leakage currents

Abstract

The invention relates to a method for compensating for leakage currents (48, 50) of at least two connecting lines (18, 22, 100, 102) connecting a lambda probe (2, 78) to an actuating device (4,98), wherein the method comprises the following steps: determining, for at least one of the connecting lines (18, 22, 100, 102), an associated leakage current (48, 50), determining, for each detected leakage current (48, 50), whether the respective leakage current (48, 50) is a result-relevant leakage current (48) that affects the result of a lambda measurement performed by the lambda probe (2, 78), or not, determining a compensation current, wherein only the leakage currents affecting the result (48) are taken into account in its determination. applying the compensation current to at least one of the connecting lines (18, 22, 100, 102) of the lambda probe (2, 78).

Dependencies are inferred from the claim text.