OP-COM-PC based car diagnostic tool 1. Operating voltage: 12V 2. Baud rate: 9600 or 38400 ... . It covers almost all Opel cars, even new cars with CAN-BUS based diagnostic, such as Vectra-C, Astra-H, Zafira- ... Since Opel user many pin in the OBD connector, the diagnostic interface works as a multiplexer, and selects the appropriate pin ... tests on many controllers. OP-COM-PC based Opel car diagnostic tool