A method for diagnosing devices via a remote testing device (1) which is connectable to devices (31 to 34) to be diagnosed via a communication network (2) is proposed, wherein said diagnosing is performed by exchanging diagnostics information between said remote-testing device (1) and said devices (31...http://www.google.fr/patents/US7370236?utm_source=gb-gplus-shareBrevet US7370236 - Method for remotely diagnosing devices