Audi Workshop Service and Repair Manuals > A3 Mk1 > Vehicle electrics | Radio, telephone and navigation system | Infotainment | Servicing telephone system | Connector at mobile telephone operating electronics control unit J412

Connector at mobile telephone operating electronics control unitJ412

Connector at mobile telephone operating electronics control unit -J412-

Note!

Contacts not listed are not used.

18-pin connector

1 -	Earth (terminal 31)

3 -	GALA (vehicle speed signal)

4 -	AF mute (to radio)

7 -	Hands-free loudspeaker (-) (up to MY 01)

9 -	Hands-free microphone (-)

10 -	Terminal 15

11 -	Battery + (terminal 30)

12 -	Switch illumination (terminal 58s)

13 -	Mobile phone ON signal (to mobile phone amplifier)

16 -	Hands-free loudspeaker (+) (up to MY 01)

18 -	Hands-free microphone (+)

Audi Workshop Service and Repair Manuals