VOLTAGE MEASUREMENT METHOD AND OPERATING METHOD FOR A VEHICLE ON-BOARD POWER SUPPLY SYSTEM

A voltage measurement method for an on-board power supply system () of a vehicle, wherein the on-board power supply system () comprises a battery pack () with a plurality of battery cells () and at least one sub-grid () which can be coupled to the battery pack () via contactors (SH+, SH−, SL+, SL−). According to the invention, the voltage measurement method comprises the following method steps: