UART Female DB9 Port to OBD2 OBDII 16PIN Cable fits USB2CAN module of InnoMakerThis cable allows you to use USB2CAN module conncet to your car's OBDII connector.UART Pin 2 to OBD Pin 14(CAN_L) and UART Pin 7 to OBD pin 6(CAN_H). The rest are not connected.Length 100cm, Easy to connect.It's not a finished product of OBDII diagnostic scanner. You need to do secondary development by yourself.If use for any other OBDII diagnostic scanner, please Pin-Out Match.