MAN ® Cats II is an external diagnosis system with the most extensive test depth for electrical systems in MAN ® commercial vehicles. This diagnosis system is suited to be used in workshop or mobile situations. It enables workshops to inexpensively keep up with the new technology in the vehicles.

The main components are a service computer, the communication interface and the MAN ® Cats II software. The modem or Ethernet interface integrated in the service computer enables a direct online link to the central MAN ® cats data server.