Toyota 17 Pin To OBDII 16 Pin Connector The cable has two connectors, one is Toyota 17 Pin connector, another is 16 Pin OBD OBDII connector. The cable can be used for converting connection from Toyota 17 Pin to OBD OBDII 16 Pin interface. Features Allows you use OBD OBDII diagnostic tools working with your Toyota vehicles with 17 Pin interface.