METHOD FOR MONITORING AN ON-BOARD POWER SUPPLY OF A MOTOR VEHICLE

A method for monitoring an on-board power supply of a motor vehicle. A power distributor is provided, via which a supply voltage is supplied to a safety-relevant consumer and via which non-safety-relevant consumers are supplied. A disconnection of consumers takes place if at least one measure of the voltage applied at least to the safety-relevant consumer reaches a limit value. After disconnecting consumers, the measure of the voltage applied to the safety-relevant consumer is ascertained. The measure of the voltage applied to the respective safety-relevant consumer is respectively compared to a further limit value for a sufficient voltage. From the disconnected consumers, at least one consumer to be connected is selected, which is connected if the limit value is respectively reached at the safety-relevant consumers. The consumer to be connected is selected as a function of a connection measure such that the connection measure is not exceeded.