Cars and bikes interfaces  > Mazda pinouts
used in Mazda's produced after 1996

 

Pin Signal Description
2 J1850 Bus+  
3 LS CAN Hi Low speed (125Kb) CAN bus. This bus used for some IC, RFA and other units.
4 CGND Chassis ground
5 SGND Signal ground
6 CAN High J-2284
7 K-LINE Diagnostic, (ISO 9141-2 and ISO/DIS 14230-4)
10 J1850 Bus-  
11 LS CAN Low Low speed (125Kb) CAN bus. This bus used for some IC, RFA and other units.
14 CAN Low J-2284
15 ISO 9141-2 L-LINE Diagnostic, (ISO 9141-2 and ISO/DIS 14230-4)
16 +12v Battery power

 

 

 

Mazda OBD-2 compatibility list

Note that list is not 100% complete!

Model Engine Year (starting from) OBD-2 Protocol
Mazda 121 1,25 liter, Gasoline (100 HP) 1995 PWM J1850 
Mazda 2 Gasoline (74 HP) 2008 CAN 
Mazda 323 Gasoline (97 HP) 2001 ISO 9141-2 
2, Gasoline (130HP) 2001 ISO 9141
Gasoline (92 HP) 2003 -
Gasoline (97 HP) 2001  
Mazda 6 Diesel (120 HP) 2003  
Diesel (135 HP) 2005 CAN 
Gasoline (127 HP) 2005  
Gasoline (135 HP) 2005 CAN 
Diesel (135 HP) 2005 CAN 
Diesel (135 HP) 2005 CAN 
Gasoline (164 HP) 2003  
2.0 MZR CD, Diesel (136HP) 2003 CAN 11bit (500kb)
2.0 MZR CD, Diesel (120HP) 2006 CAN 11bit (500kb)
2, Diesel (143HP) 2006 CAN 11bit (500kb)
Diesel MZR 2.0, Diesel (128 HP) 2007  
Mazda 626 2.0 16V, Gasoline (114 HP) 2001 ISO 14230-4, ISO 9141-2
Mazda B2300   2002 PWM J1850 
Mazda B2500SE Pickup   2001 PWM J1850 
Mazda B3000   2002 PWM J1850 
Mazda BT50 2.5 MRZ-CD, Diesel (130HP) 2007 CAN 11bit (500kb)
Mazda 2 1.4, Diesel (68HP) 2007 CAN 11bit (500kb)
1.3 MZR, Gasoline (86HP) 2009 CAN 11bit (500kb)
Mazda 3 1.6 MZCD, Diesel (110HP) 2004 CAN 11bit (500kb)
Gasoline (74 HP) 2005 CAN 
Mazda 5 2.0 MZ-CD, Diesel (110HP) 2006 CAN 11bit (500kb)
CRD, Diesel (145HP) 2007 CAN 11bit (500kb)
1.8L, Gasoline (114 HP) 2006 CAN 
1.6 MZR-CD, Diesel (110HP) 2011 CAN 11bit (500kb)
Mazda MX-5 Gasoline (109 HP) 2001 ISO 14230-4 
1.8L, Gasoline (126HP) 2006 CAN 11bit (500kb)
Mazda MX-5 (Australian)   2003 ISO 14230-4, ISO 9141-2
Mazda MX-5 (Miata)   2003 ISO 14230-4, ISO 9141-2
Mazda MX5 NB Gasoline (139 HP) 2000  
Gasoline (113 HP) 2003 ISO 9141-2 
Mazda MX-5 NC Gasoline (128 HP) 2007 CAN 
Mazda MX-5 NC1 Gasoline (159 HP) 2006 CAN 
Mazda MX5NB FL Gasoline (114 HP) 2004 ISO 14230-4, ISO 9141-2
Mazda Protege   2001 ISO 14230-4, ISO 9141-2
Gasoline (108 HP) 2000  
Mazda Protege 5   2002 ISO 14230-4, ISO 9141-2
Mazda RX8 1.3, Gasoline 2003 CAN 11bit (500kb)
Mazda Tribute   2002 PWM J1850 

Protocols used:

1996-2002 : ISO-9141

2002-2005 : ISO-9141 or CAN

after 2005 : CAN

Mazda (Ford) used J1850-PWM mostly.


 

Some OBD-II cables schemes:

OBD-2 ISO 9141-2 (14230-4, KWP2000) simple serial cable
OBD-2 J1850 PWM, J1850 VPW serial ELM327 cable
OBD-2 universal ISO 15765-4 CAN, SAE J1850 PWM, SAE J1850 VPW, ISO 9141-2, ISO 14230-4 and SAE J1939 diagnostic cable

 

16 pin J1962 OBD-2 car proprietary of Mazda OBD II diagnostic interface connector layout
16 pin J1962 OBD-2 car proprietary connector
at the Mazda car
According to 3 reports in our database (1 positive and 0 negative) this pinout should be correct.

Is this pinout
Mazda OBD II diagnostic interface visual pinout:
Mazda OBD II diagnostic interface diagram
click to enlarge
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