A method of controlling a cleaning system for motor vehicle components (S1, S2, S3), the cleaning system comprising: - a fluid delivery device; - a pressure sensor for determining a pressure generated by the fluid delivery device; - a fluid distribution device with at least one input port fluidly connected to the fluid delivery device and with at least two output port (32_1, 32_2, 32_3) fluidly connected to the input port, wherein each output port (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 line (51, 52, 53) to a respective output port (32_1, 32_2, 32_3); and - a control device which is data-coupled to the fluid delivery device and the fluid distribution device for transmitting and/or receiving signals, wherein the method comprises the following process steps: - determining a cleaning request for all cleaning devices (41, 42, 43); - determining a pressure setpoint for at least one first cleaning device (41, 42, 43); - adjusting the output ports (32_1, 32_2, 32_3) of the fluid distribution device in their open position or in their closed position according to the cleaning request; - determining of an actual fluid pressure generated by the fluid delivery device; wherein the method is characterized by the following process steps: - determining a total flow rate delivered by the fluid delivery device based on the actual fluid pressure; - determining a first flow rate through the first cleaning device (41, 42, 43) based on the total flow rate; - determining a first pressure loss in a line path (54, 30, 51, 52, 53, 41, 42, 43) via which the first cleaning device (41, 42, 43) is fluidly connected to the fluid delivery device, taking into account the first flow rate; - determining a pressure control value based on the pressure setpoint and the first pressure loss; and - adjusting of the fluid delivery device in such a way that a fluid pressure provided by the fluid delivery device is changed in the direction of the pressure control value. - a fluid delivery device; - a pressure sensor for determining a pressure generated by the fluid delivery device; - a fluid distribution device with at least one input port fluidly connected to the fluid delivery device and with at least two output port (32_1, 32_2, 32_3) fluidly connected to the input port, wherein each output port (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 line (51, 52, 53) to a respective output port (32_1, 32_2, 32_3); and - a control device which is data-coupled to the fluid delivery device and the fluid distribution device for transmitting and/or receiving signals, wherein the method comprises the following process steps: - determining a cleaning request for all cleaning devices (41, 42, 43); - determining a pressure setpoint for at least one first cleaning device (41, 42, 43); - adjusting the output ports (32_1, 32_2, 32_3) of the fluid distribution device in their open position or in their closed position according to the cleaning request; - determining of an actual fluid pressure generated by the fluid delivery device; - determining a cleaning request for all cleaning devices (41, 42, 43); - determining a pressure setpoint for at least one first cleaning device (41, 42, 43); - adjusting the output ports (32_1, 32_2, 32_3) of the fluid distribution device in their open position or in their closed position according to the cleaning request; - determining of an actual fluid pressure generated by the fluid delivery device; wherein the method is characterized by the following process steps: - determining a total flow rate delivered by the fluid delivery device based on the actual fluid pressure; - determining a first flow rate through the first cleaning device (41, 42, 43) based on the total flow rate; - determining a first pressure loss in a line path (54, 30, 51, 52, 53, 41, 42, 43) via which the first cleaning device (41, 42, 43) is fluidly connected to the fluid delivery device, taking into account the first flow rate; - determining a pressure control value based on the pressure setpoint and the first pressure loss; and - adjusting of the fluid delivery device in such a way that a fluid pressure provided by the fluid delivery device is changed in the direction of the pressure control value. - determining a total flow rate delivered by the fluid delivery device based on the actual fluid pressure; - determining a first flow rate through the first cleaning device (41, 42, 43) based on the total flow rate; - determining a first pressure loss in a line path (54, 30, 51, 52, 53, 41, 42, 43) via which the first cleaning device (41, 42, 43) is fluidly connected to the fluid delivery device, taking into account the first flow rate; - determining a pressure control value based on the pressure setpoint and the first pressure loss; and - adjusting of the fluid delivery device in such a way that a fluid pressure provided by the fluid delivery device is changed in the direction of the pressure control value.