If you need to hook up a diagnostic code reader or scanner to your Mazda you will need to know where the diagnostic port is located. Here we have all Mazda diagnostic port pictures which should tell you straight away where to look. A diagnostic port is also known as an OBD2 port or EOBD port which is used for the purpose of communicating with a vehicle to diagnose faults or reprogram modules within the vehicle. The diagnostic port is a direct link to the Mazda ECU.

Mazda MX-5
Mazda MX-5 Mk1 OBD2 diagnostic port location (1990 - 1998)
Mazda MX-5 Mk2 OBD2 diagnostic port location (1998 - 2005)
Mazda MX-5 Mk3 OBD2 diagnostic port location (2005 - 2015)
Mazda MX-5 Mk4 OBD2 diagnostic port location (2015 -
 
Mazda 2
Mazda 2 Mk2 OBD2 diagnostic port location (2002 - 2007)
Mazda 2 Mk3 OBD2 diagnostic port location (2007 - 2013)
Mazda 2 Mk4 OBD2 diagnostic port location (2014 -
 
Mazda 3
Mazda 3 Mk1 OBD2 diagnostic port location (2003 - 2009)
Mazda 3 Mk2 OBD2 diagnostic port location (2009 - 2013)
Mazda 3 Mk3 OBD2 diagnostic port location (2013 -
 
Mazda 5
Mazda 5 Mk1 OBD2 diagnostic port location (1999 - 2004)
Mazda 5 Mk2 OBD2 diagnostic port location (2005 - 2010)
Mazda 5 Mk3 OBD2 diagnostic port location (2010 -
 
Mazda 6
Mazda 6 Mk1 OBD2 diagnostic port location (2003 - 3008)
Mazda 6 Mk2 OBD2 diagnostic port location (2008 - 2013)
Mazda 6 Mk3 OBD2 diagnostic port location (2013 -
 
Mazda RX-8
Mazda RX-8 Mk1 OBD2 diagnostic port location (2003 - 2012)
 
Mazda CX-5
Mazda CX-5 OBD2 diagnostic port location (2012 - 

Mazda CX-3
Mazda CX-3 OBD2 diagnostic port location (2016 - 
 
Mazda 626
Mazda 626 Mk5 OBD2 diagnostic port location (1997 - 2002)