OBD2 connector pinout
Using pinout you can describe the functions of the pins and connectors in the device. There is an OBD2 connector in almost all passenger cars. You can install, for example, a diagnostic auto scanner in this type of connector. We will not describe for a long time all the properties of the OBD2 connector, but will move on to its pinout. There are a total of 2 connectors (pins) in OBD16. Each of them will be described below.
1) Contact is determined by the manufacturer.
2) The contact includes the J 1850 bus.
3) Contact is determined by the manufacturer.
4) The contact contains the chassis ground.
5) Signal ground contact.
6) Digital CAN bus contact.
7) Contact ISO 9141-2, K-Line.
8) Contact is determined by the manufacturer.
9) Contact is also determined by the manufacturer.
10) J1850 bus contact.
11) Contact is determined by the manufacturer.
12) Contact is determined by the manufacturer.
13) Contact is determined by the manufacturer.
14) CAN bus contact J2284.
15) Contact ISO 9141-2, L-Line.
16) Battery voltage contact. In this article you will find a detailed description of each OBD2 pin, which is its pinout.