VZG OBDII Adapter Fit for Toyota 17 Pin OBD1 to 16 Pin OBD2 Diagnostic Cable, Compatible with Toyota Vehicles 17pin Connector,Work with ELM327 OBD2 Diagnostic Scan Tool and Code Reader. Plug and Play: This OBD1 to OBD2 adapter simply plugs the 17-pin end into your car's OBD1 port and the 16-pin end into your OBD2 scanner for instant vehicle diagnostics and troubleshooting.