Audi Workshop Service and Repair Manuals > A3 Mk1 > Vehicle electrics | Radio, telephone and navigation system | Infotainment | Navigation system III (as of week 29/99) | Connectors at navigation system with CD drive control unit J401 | Contact assignment of multi-pin connectors

Contact assignment of multi-pin connectors

Note!

Contacts not listed are not used.

20-pin connector I

2 -	CAN bus High (infotainment)

5 -	CAN bus Low (infotainment)

13 -	AF + (to radio)

14 -	AF mute (to radio)

15 -	AF - (to radio)

16 -	Telephone (AF +) (from telephone)

17 -	AF mute (telephone)

18 -	Telephone AF screen

19 -	Telephone (AF -) (from telephone)

Black 8-pin connector III

1 -	GALA (vehicle speed signal)

2 -	Reversing light switch

3 -	K-wire (diagnosis)

4 -	Terminal 15

7 -	Battery + (terminal 30)

8 -	Earth (terminal 31)

Audi Workshop Service and Repair Manuals