Audi Workshop Service and Repair Manuals > A4 Mk3 > Vehicle electrics | Communication | Infotainment | Telephone system | Connectors for Bluetooth hands-free system (CAN)

Connectors for Bluetooth hands-free system (CAN)

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-

11 -	Microphone input (+) from microphone unit in front roof module -R164- (front left microphone -R140-)

12 -	Microphone input (-) from microphone unit in front roof module -R164- (front left microphone -R140-)

17 -	CAN bus High (Infotainment)

18 -	CAN Bus Low (Infotainment)

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