2002 Mazda 323 (Australia). I can't find the OBD port on the driver's side. Did the previous owner took it off? I have an older style Diagnosis port in the engine bay :
Obd port not in the holding location | MINI Cooper Forum
OBD2 port Mazda Mazda 6 (2002 - 2008) - Find your plug !
OBD2 port Mazda Mazda 6 (2007 - 2012) - Find your plug !