Method for controlling a cleaning system for motor vehicle components (S1, S2, S3), the cleaning system comprising: - a fluid conveying device; - a pressure sensor for determining a pressure generated by the fluid conveying device; - a fluid distribution device with at least one input connection fluidly connected to the fluid conveying device and with at least two output connections (32_1, 32_2, 32_3) fluidly connected to the input connection, wherein each output connection (32_1, 32_2, 32_3) is adjustable between an open position and a closed position; - at least two cleaning devices (41, 42, 43) each fluidly connected via a fluid pipe (51, 52, 53) to a respective output connection (32_1, 32_2, 32_3); and - a control device which is data-coupled to the fluid conveying device and the fluid distribution device for transmitting and/or receiving signals, wherein the method comprises the following process steps: - determining a cleaning requirement for at least two cleaning devices (41, 42, 43); - Determining a first set flow rate for at least a first cleaning device (41, 42, 43); - Setting the output connections (32_1, 32_2, 32_3) of the fluid distribution device in their open position or in their closed position according to the cleaning requirement; - Determining a power level of the fluid conveying device; - Determining an actual fluid pressure generated by the fluid conveying device; - Determining an actual total flow rate conveyed by the fluid conveying device based on the determined actual fluid pressure and the determined power level; - Determining a first actual flow rate by the output connection (32_1, 32_2, 32_3) to which the at least one first cleaning device (41, 41, 43) is connected, or by the at least one first cleaning device (41, 42, 43) based on the actual total flow rate and based on the cleaning requirement; - Determine a flow rate control value based on the first set flow rate and the first actual flow rate; and - Adjusting the fluid conveying device in such a way that the actual total flow rate provided by the fluid conveying device is changed by the flow rate control value so that the first actual flow rate approaches the first set flow rate. - a fluid conveying device; - a pressure sensor for determining a pressure generated by the fluid conveying device; - a fluid distribution device with at least one input connection fluidly connected to the fluid conveying device and with at least two output connections (32_1, 32_2, 32_3) fluidly connected to the input connection, wherein each output connection (32_1, 32_2, 32_3) is adjustable between an open position and a closed position; - at least two cleaning devices (41, 42, 43) each fluidly connected via a fluid pipe (51, 52, 53) to a respective output connection (32_1, 32_2, 32_3); and - a control device which is data-coupled to the fluid conveying device and the fluid distribution device for transmitting and/or receiving signals, - determining a cleaning requirement for at least two cleaning devices (41, 42, 43); - Determining a first set flow rate for at least a first cleaning device (41, 42, 43); - Setting the output connections (32_1, 32_2, 32_3) of the fluid distribution device in their open position or in their closed position according to the cleaning requirement; - Determining a power level of the fluid conveying device; - Determining an actual fluid pressure generated by the fluid conveying device; - Determining an actual total flow rate conveyed by the fluid conveying device based on the determined actual fluid pressure and the determined power level; - Determining a first actual flow rate by the output connection (32_1, 32_2, 32_3) to which the at least one first cleaning device (41, 41, 43) is connected, or by the at least one first cleaning device (41, 42, 43) based on the actual total flow rate and based on the cleaning requirement; - Determine a flow rate control value based on the first set flow rate and the first actual flow rate; and - Adjusting the fluid conveying device in such a way that the actual total flow rate provided by the fluid conveying device is changed by the flow rate control value so that the first actual flow rate approaches the first set flow rate.