Audi Workshop Service and Repair Manuals > A4 Mk3 > Vehicle electrics | Communication | Infotainment | Telephone system (USA) | Connectors for mobile phone pre-installation (CAN from model year 2009 onwards)

Connectors for mobile phone pre-installation (CAN from model year 2009 onwards)

Telephone transmitter and receiver unit -R36-

A -	Connection for aerial for Bluetooth -R152-

B -	Multi-pin connector, 54-pin (T54a)

Note

Contacts which are not listed are not used.

B - Multi-pin connector, 54-pin (T54a)

1 -	Terminal 30

2 -	Terminal 31

8 -	NF+ (low frequency) to radio -R-

9 -	NF (–) (low frequency) to radio -R-

10 -	Terminal 31 (screening earth) (not used)

11 -	Microphone input (+) from microphone unit in front roof module -R164-

12 -	Microphone input (–) from microphone unit in front roof module -R164-

16 -	NF mute (low frequency) (not used)

17 -	CAN bus High (Infotainment)

18 -	CAN Bus Low (Infotainment)

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