Parallel connection of Carberry is suitable for OBD port connection.
To use OBD diagnostic feature with Carberry, you have to connect:

• CAN#1 Carberry channel on vehicle services CAN bus.
• CAN#2 Carberry channel on vehicle engine CAN bus.

From services CAN bus, Carberry recognizes the car and setup a profile.
From engine CAN bus, Carberry communicates for diagnstic data.
See commands pages for more info about OBD wiring.

Here a table of some OBD port pinout and respective wiring with Carberry.