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16 pin J1962 OBD-2 car diagnostic connector layout
16 pin J1962 OBD-2 car diagnostic connector
The pinout should fit 26 devices/models. Click to list>
Pin Signal Description
2 J1850 Bus+ K-Line of heater and air conditioning system
3 RPM Engine RPM signal
4 CGND Chassis ground
5 SGND Signal ground
6 CAN High J-2284
7 K-LINE

Engine and Gearbox
(ISO 9141-2 and ISO/DIS 14230-4) 
10 J1850 Bus- Electric power steering wheel diagnostic
11 K-Line K-line diagnostics of the anti-theft system; Tire pressure monitoring  (for  307, 607, 807 and some other models)
12 K-Line ABS (Anti-lock Braking System) diagnostic
13 K-Line Airbag diagnostic
14 CAN Low J-2284 / K-Line Central door locking system
15 ISO 9141-2 L-LINE L-line diagnostic of engine and gearbox (ISO 9141-2 and ISO/DIS 14230-4)
16 +12v Battery power

Some pins may be left unconnected in some models.

Citroen OBD-2 compatibility list

Note that list is not 100% complete!

Model Engine Year (starting from) OBD-2 Protocol
Citroen Berlingo 2.0 HDi, Diesel (90HP) 2000 KWP SLOW
1.9D (DW8), Diesel (69HP) 2001 KWP SLOW
1.4i, Gasoline (75HP) 2002 KWP SLOW
1,9d, Diesel (81 HP) 2003 ISO 14230-4 
1.4 Tonic, Gasoline (74 HP) 2003  
2.0 HDi, Diesel (90HP) 2003 KWP FAST
Diesel (81 HP) 2004  
2,0 HDI , Diesel (106 HP) 2004 ISO 9141-2 
1.6 G NFU, Gasoline (108 HP) 2005 ISO 9141-2 
1.6 HDi, Diesel (92HP) 2005 KWP FAST
1,6 HDI, Diesel (89 HP) 2006 ISO 9141-2 
1.6 HDi, Diesel (75HP) 2006 KWP FAST
1.6 HDi, Diesel (115HP) 2007 KWP FAST
1.6 HDi, Diesel (110HP) 2008 CAN 11bit (500kb)
1.6 HDi, Diesel (90HP) 2009 CAN 11bit (500kb)
1.4 HDI, Diesel (70HP) 2010 CAN 11bit (500kb)
Citroen Berlingo II 1.6 16V, Gasoline (108 HP) 2008  
Citroen Berlingo Van Diesel (89 HP) 2006  
Citroen C1 Gasoline (68 HP) 2005 ISO 9141-2 
1.4 HDi, Diesel (54HP) 2005 CAN 11bit (500kb)
Gasoline (68 HP) 2006 ISO 9141-2 
1.0e, Gasoline (68HP) 2007 ISO 9141
Citroen C2 1.6 16V VTR, Gasoline (108 HP) 2003  
1.4, Gasoline (75HP) 2003 CAN 11bit (500kb)
1,4 HDI, Diesel (68 HP) 2004 KW 2000 VAG 
1.4 VTR Sensodrive, Gasoline (73 HP) 2004  
1.1, Gasoline (65HP) 2004 KWP SLOW
1.4 HDi, Diesel (70HP) 2004 KWP SLOW
1.4 HDi, Diesel (70HP) 2004 KWP FAST
Gasoline (73 HP) 2005  
1.4 HDi, Diesel (70HP) 2005 CAN 11bit (500kb)
1.6 16V, Gasoline (125HP) 2005 CAN 11bit (500kb)
1.4 HDi, Diesel (92HP) 2006 CAN 11bit (500kb)
1.1i, Gasoline (60HP) 2008 CAN 11bit (500kb)
VTS 110 HDi, Diesel (108 HP) 2009 CAN 
1.4 HDi, Diesel (75HP) 2009 CAN 11bit (500kb)
1.6 HDi, Diesel (110HP) 2010 CAN 11bit (500kb)
Citroen C3 1.4 HDi, Diesel (70HP) 2002 KWP FAST
1.4, Gasoline (75HP) 2002 KWP FAST
1.4 , Gasoline (73 HP) 2003 ISO 14230-4 
1.6, Gasoline (110HP) 2003 KWP FAST
1.4 I, Gasoline (121 HP) 2004 ISO 14230-4 
1.1, Gasoline (60HP) 2004 KWP SLOW
1.4 HDi, Diesel (70HP) 2004 KWP FAST
1.4 HDi, Diesel (90HP) 2004 KWP FAST
1.6 HDi, Diesel (90HP) 2004 KWP FAST
1.4 HDi, Diesel (92HP) 2004 KWP FAST
1.4, Gasoline (75HP) 2005 CAN 11bit (500kb)
1.4 HDi, Diesel (69 HP) 2006 CAN 
1.1, Gasoline (60HP) 2006 CAN 11bit (500kb)
1.4 HDi, Diesel (70HP) 2006 CAN 11bit (500kb)
1.6 HDi, Diesel (92HP) 2006 ISO 9141
1.4, Gasoline (90HP) 2008 CAN 11bit (500kb)
1.6 HDi, Diesel (90HP) 2009 CAN 11bit (500kb)
1.6 HDi, Diesel (110HP) 2009 CAN 11bit (500kb)
1.6 vti, Gasoline (120HP) 2010 CAN 11bit (500kb)
1.6 eHDi, Diesel (92HP) 2011 CAN 11bit (500kb)
1.4 HDi, Diesel (70HP) 2012 CAN 11bit (500kb)
Citroen C4 1.6 HDi, Diesel (110HP) 2004 KWP FAST
2.0 HDi, Diesel (136HP) 2004 KWP FAST
Gasoline (89 HP) 2005 ISO 14230-4, ISO 9141-2
1.4, Gasoline (90HP) 2005 KWP FAST
1.6 HDi, Diesel (90HP) 2005 KWP FAST
1.6 HDi, Diesel (92HP) 2005 KWP FAST
1.6, Gasoline (110HP) 2005 KWP FAST
2.0 HDi, Diesel (138HP) 2005 KWP FAST
2, Gasoline (143HP) 2006 KWP FAST
1.6 HDi, Diesel (90HP) 2007 CAN 11bit (500kb)
1.6 HDi 16v, Diesel (110HP) 2007 CAN 11bit (500kb)
1.8, Gasoline or LPG (125HP) 2007 CAN 11bit (500kb)
2.0 Hdi, Diesel (136HP) 2007 CAN 11bit (500kb)
1.6 HDi, Diesel (110HP) 2009 CAN 11bit (500kb)
1.6 HDi, Diesel (110HP) 2011 CAN 11bit (500kb)
Gasoline (139 HP) 2007 CAN 
Gasoline (139 HP) 2008  
Citroen C5 3.0 V6, Gasoline (207HP) 2000 KWP FAST
Gasoline (135 HP) 2001  
2,2 HDI FAB, Diesel (132 HP) 2001  
2.0 HDi, Diesel (110HP) 2001 KWP SLOW
2.2 HDi, Diesel (140HP) 2001 KWP SLOW
2.0 HPI, Gasoline (143HP) 2001 KWP FAST
Gasoline (135 HP) 2002  
2.2HDI, Diesel (132 HP) 2002  
2, Gasoline (136HP) 2002 KWP SLOW
HDI 2.0, Diesel (106 HP) 2003  
1.8, Gasoline (117HP) 2003 KWP SLOW
2.2HDi, Diesel (136HP) 2003 KWP FAST
2.2 HDi, Diesel (138HP) 2003 KWP FAST
1.6 HDi, Diesel (110HP) 2004 KWP FAST
3.0 V6, Gasoline (215HP) 2005 KWP FAST
2.2 HDi, Diesel (173HP) 2006 KWP FAST
1.6 HDI FAP 110PS, Diesel (108 HP) 2007  
1.6 HDi, Diesel (110HP) 2009 CAN 11bit (500kb)
2.0 HDi FAP, Diesel (140HP) 2009 CAN 11bit (500kb)
HDI2.2 exclusive, Diesel (135 HP) 2002  
Diesel (168 HP) 2006 ISO 14230-4 
Citroen C6 3.0 HDi V6, Diesel (170HP) 2006 KWP FAST
Citroen C8 HDi, Diesel (110HP) 2002 KWP FAST
2.0 16v, Gasoline (138HP) 2002 KWP SLOW
2.0 HDi, Diesel (120HP) 2003 CAN 11bit (500kb)
2.2 HDi, Diesel (130HP) 2003 KWP FAST
2.2 HDi, Diesel (126HP) 2006 KWP FAST
Citroen C-Crosser 2.2 HDi 16V, Diesel (160HP) 2010 CAN 11bit (500kb)
Citroen DS3 Gasoline (155 HP) 2010  
1.6 HDi, Diesel (112HP) 2010 CAN 11bit (500kb)
1.6 THP, Gasoline (156HP) 2010 CAN 11bit (500kb)
1.6 THP, Gasoline (202HP) 2011 CAN 11bit (500kb)
Citroen DS4 1.6 e-HDi, Diesel (112HP) 2011 CAN 11bit (500kb)
Citroen Evasion 2.0 HDi, Diesel (110HP) 2000 KWP SLOW
2, Gasoline (138HP) 2001 KWP SLOW
Citroen Jumper Diesel (100 HP) 2002 ISO 9141-2 
2.0 hdi, Gasoline (84 HP) 2002  
2.8 HDi, Diesel (127HP) 2004 ISO 9141
HDi, Diesel (120HP) 2010 KWP FAST
Citroen Jumpy 2.0 HDi, Diesel (90HP) 2001 KWP FAST
2.0 HDi, Diesel (110HP) 2002 KWP FAST
2.0 16s, Gasoline (136HP) 2005 KWP SLOW
2.0 HDi, Diesel (120HP) 2007 CAN 11bit (500kb)
HDi, Diesel (100HP) 2011 CAN 11bit (500kb)
Citroen Nemo 1.4 HDi, Diesel (70HP) 2008 CAN 29bit
Citroen Picasso Gasoline (114 HP) 2001  
Gasoline (148 HP) 2005 ISO 14230-4 
Gasoline (148 HP) 2005 -
Citroen Saxo 1.1, Gasoline (60HP) 2000 KWP FAST
1.4i, Gasoline (75HP) 2000 KWP FAST
1.6, Gasoline (90HP) 2000 ISO 9141
1.5 D, Diesel (58HP) 2001 KWP SLOW
Gasoline (119 HP) 2002 ISO 14230-4 
Diesel (119 HP) 2002 ISO 14230-4 
1.4i, Gasoline (75HP) 2002 KWP FAST
1.6, Gasoline (100HP) 2002 KWP FAST
1.6L 16V, Gasoline (120HP) 2002 KWP SLOW
1.6 16V, Gasoline (120HP) 2002 KWP SLOW
Citroen Xantia 2.0 HDi, Diesel (110HP) 1999 KWP SLOW
Gasoline (109 HP) 2000 ISO 9141-2 
HDI, Diesel (108 HP) 2000 ISO 14230-4 
Citroen Xantia Turbo CT   1997 ISO 14230-4, ISO 9141-2
Citroen Xsara 1.9D, Diesel (68 HP) 1997  
  1999 ISO 14230-4, ISO 9141-2
HDI, Diesel (108 HP) 1999 ISO 14230-4 
2.0 HDi, Diesel (90HP) 1999 KWP SLOW
HDI 90, Diesel (89 HP) 2000 ISO 9141-2 
  2000 ISO 9141-2
TU5JP, Gasoline or LPG (66HP) 2000 KWP FAST
1.9 D, Diesel (75HP) 2000 KWP SLOW
1.6 16v, Gasoline (110HP) 2000 KWP SLOW
1.8 16v, Gasoline (117HP) 2000 KWP FAST
1.4, Gasoline (75HP) 2001 KWP FAST
1.8, Gasoline (90HP) 2001 KWP SLOW
2.0 HDi, Diesel (90HP) 2001 KWP FAST
1.6, Gasoline (106HP) 2001 KWP FAST
2.0 HDi, Diesel (110HP) 2001 KWP SLOW
1.8, Gasoline (110HP) 2001 KWP FAST
2.0 16V, Gasoline (167HP) 2001 KWP SLOW
  2002 ISO 9141-2
1.4, Gasoline (75HP) 2002 KWP FAST
2.0 HDi, Diesel (110HP) 2002 KWP FAST
2.0 16V, Gasoline (137HP) 2002 KWP SLOW
1.6 16v, Gasoline (110HP) 2003 KWP FAST
1.8 16v, Gasoline (117HP) 2003 KWP FAST
1.4 HDi, Diesel (70HP) 2004 KWP FAST
1.6 HDi, Diesel (110HP) 2004 KWP FAST
2.0 HDi, Diesel (90HP) 2005 KWP FAST
1.8L 16V, Gasoline (117HP) 2005 KWP FAST
1.6 HDi, Diesel (92HP) 2006 KWP FAST
1.6, Gasoline (110HP) 2006 KWP FAST
HDi 110, Diesel (108 HP) 2003 ISO 14230-4 
Citroen Xsara Picasso   2000 ISO 14230-4, ISO 9141-2
Diesel (89 HP) 2003  
Diesel (108 HP) 2004 ISO 14230-4 
, Gasoline (114 HP) 2005 ISO 14230-4 

 

 

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