OBD2 pinout - igkov/bcomp11hw GitHub Wiki
Connections to OBD-II
Connector DB-9 on BCOMP11 board
| Pin DB-9 | Pin OBD2 | Color | Pin function |
|---|---|---|---|
| 1 | 4,5 | orange, yellow | GND |
| 2 | 14 | brown-white | CAN-L |
| 3 | 6 | dark-green | CAN-H |
| 4 | - | AN1 | |
| 5 | - | AN2 | |
| 6 | 16 | green-white | +12V |
| 7 | - | RX (GPS receiver) | |
| 8 | - | TX (UART logger) | |
| 9 | - | AN3 |
OBD-II connector
*View from car connector.
| OBD2 | Pin function |
|---|---|
| 2 | J1850 Bus+ |
| 4 | Chassis GND |
| 5 | Signal GND |
| 6 | CAN-H (J-2284) |
| 7 | ISO 914102 K-Line |
| 10 | J1850 Bus- |
| 14 | CAN-L (J2284) |
| 15 | ISO9141-2 L-Line |
| 16 | Battery Power |