2002 Audi A4 pinouts
The connector/pinout information may be applied to the Audi model A4
Audi OBD-II diagnostic interface pinout for Audi A4 produced after 1995 suitable for most Audi models after 1996 (i.e. Audi A3, A4, TT)
Audi Navigation (2002-2006) disc unit pinout for Audi A4 of 2002 - 2008 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