2003 Audi A6 pinouts
The connector/pinout information may be applied to the Audi (show all pinouts) model A6
Audi (2004-2008) Symphony II Head Units pinout for Audi A6 of 2003 - 2008 years P/n 8E0035195 (CQ-EA1070L), 4D0035195HX (CQ-EA1071L), 4B0035195H (CQ-EA1072L), CQ-EA1074L, CQ-EA1060L, CQ-EA1061L, CQ-EA1062L, CQ-EA1063L, CQ-JA1070L, CQ-JA1071L, CQ-JA1072L, CQ-JA1073L, CQ-JA1074L, CQ-EA1362.
Audi OBD-II diagnostic interface pinout for Audi A6 produced after 1994 suitable for most Audi models after 1996 (i.e. Audi A3, A4, TT)
Audi Navigation (2002-2006) disc unit pinout for Audi A6 of 2002 - 2004 years p/n 4B0 919 887 A, 4B0 919 887 AX, 4B0 919 887 E, 4B0 919 887 EX, 4B0 919 887 C, 4B0 919 887 CX, 4B0 919 887 D, 4B0 919 887 DX