Multi-channel cleaning apparatus for a vehicle for providing a liquid cleaning pulse and/or a compressed-air cleaning pulse, for at least two cleaning nozzles (320, 320.1, 320.2), comprising: - a module compressed-air port for admitting compressed air, - a module liquid port for admitting cleaning liquid, characterized by - at least two nozzle branches (520, 520.1, 520.2, 520.3, 520.4), wherein a nozzle branch is configured to provide a supply to at least one cleaning nozzle (320, 320.1, 320.2) independently of another nozzle branch, wherein each nozzle branch comprises: - a pressure cylinder (220, 220.1, 220.2, 220.3, 220.4) with a cylinder volume (VZ, VZ1, VZ2, VZ3, VZ4), comprising a movable separating means (226, 226.1, 226.2, 226.3, 226.4) that divides the cylinder volume in fluid-tight fashion into an air chamber (222, 222.1, 222.2, 222.3, 222.4), which accommodates compressed air, and a liquid chamber (224, 224.1, 224.2, 224.3, 224.4), which accommodates cleaning liquid, wherein - the air chamber has an air chamber port (223, 223.1, 223.2, 223.3, 223.4) to which compressed air can be applied for the purposes of filling the air chamber, wherein, in the event of filling of the air chamber, movement of the separating means counter to a restoring force (FR, FR1, FR2, FR3, FR4) and enlargement of the air chamber result in a reduction in size of the liquid chamber, whereby cleaning liquid is provided in the form of the liquid cleaning pulse (FRI, FRI1, FRI2, FRI3, FRI4) at a liquid nozzle line (626, 626.1, 626.2, 626.3, 626.4) via a liquid chamber port (225, 225.1, 225.2, 225.3, 225.4) of the liquid chamber, and - a switching valve (2700, 2701, 2702, 2703, 2704) that is configured to produce a pneumatic connection between the module compressed-air port and the air chamber port (223, 223.1, 223.2, 223.3, 223.4) in an air admission position, and - a bypass valve (3300, 3301, 3302, 3303, 3304) that is configured to produce a pneumatic connection between the module compressed-air port and the compressed-air nozzle line (278, 278.1, 278.2, 278.3, 278.4), bypassing the switching valve (2700, 2701, 2702, 2703, 2704), in an open position (3300B, 3320B, 3340B) in order to provide a bypass compressed-air flow (BDS, BDS1, BDS2, BDS3, BDS4). - a module compressed-air port for admitting compressed air, - a module liquid port for admitting cleaning liquid, characterized by - at least two nozzle branches (520, 520.1, 520.2, 520.3, 520.4), wherein a nozzle branch is configured to provide a supply to at least one cleaning nozzle (320, 320.1, 320.2) independently of another nozzle branch, wherein each nozzle branch comprises: - a pressure cylinder (220, 220.1, 220.2, 220.3, 220.4) with a cylinder volume (VZ, VZ1, VZ2, VZ3, VZ4), comprising a movable separating means (226, 226.1, 226.2, 226.3, 226.4) that divides the cylinder volume in fluid-tight fashion into an air chamber (222, 222.1, 222.2, 222.3, 222.4), which accommodates compressed air, and a liquid chamber (224, 224.1, 224.2, 224.3, 224.4), which accommodates cleaning liquid, wherein - the air chamber has an air chamber port (223, 223.1, 223.2, 223.3, 223.4) to which compressed air can be applied for the purposes of filling the air chamber, wherein, in the event of filling of the air chamber, movement of the separating means counter to a restoring force (FR, FR1, FR2, FR3, FR4) and enlargement of the air chamber result in a reduction in size of the liquid chamber, whereby cleaning liquid is provided in the form of the liquid cleaning pulse (FRI, FRI1, FRI2, FRI3, FRI4) at a liquid nozzle line (626, 626.1, 626.2, 626.3, 626.4) via a liquid chamber port (225, 225.1, 225.2, 225.3, 225.4) of the liquid chamber, and - a switching valve (2700, 2701, 2702, 2703, 2704) that is configured to produce a pneumatic connection between the module compressed-air port and the air chamber port (223, 223.1, 223.2, 223.3, 223.4) in an air admission position, and - a bypass valve (3300, 3301, 3302, 3303, 3304) that is configured to produce a pneumatic connection between the module compressed-air port and the compressed-air nozzle line (278, 278.1, 278.2, 278.3, 278.4), bypassing the switching valve (2700, 2701, 2702, 2703, 2704), in an open position (3300B, 3320B, 3340B) in order to provide a bypass compressed-air flow (BDS, BDS1, BDS2, BDS3, BDS4).