OBD1 to OBD2 Adapter Cable for Honda Vehicles OBD2 16Pin to OBD1 3Pin OBDII Car Diagnostic Connector Compatible with OBD II Diagnostic Scanner (3Pin for Honda). 【Easy to Use】For this obd1 to obd2 3pin adapter cable for Honda, you can connect your vehicle model to a compatible OBD2 diagnostic interface.This 16 pin female connector supports many diagnostic tool.