For Nissan 14Pin to OBD2 16Pin Connector is used to convert from for Nissan OBD1 to OBD2 16Pin. 1 x 14Pin to 16Pin OBD2 Connector Adapter Cable. The for nissan 14 pin Adapter allows you to connect compatible Diagnostic tools on a for nissan vehicle fitted with a 14 pin socket with your existing 16 pin OBD2 tool.