Audi Workshop Service and Repair Manuals

→ Multi-pin connector on speech entry control unit -J507 T26f

•     1 -    Line(-)-input from control unit for telephone/telematics -J526
•     2 -    Line(+)-input from control unit for telephone/telematics -J526
•     3 -    Terminal 15
•     5 -    Telephone/telematics mute (output)
•     6 -    Telephone/telematics mute (input)
•     7 -    K wire
•     8 -    CAN bus low
•     9 -    CAN bus high
•     13 -    Earth
•     14 -    Hands-free loudspeaker output (+)
•     15 -    Hands-free loudspeaker output (-)
•     16 -    Hands-free microphone output (+)
•     17 -    Hands-free microphone output (-)
•     18 -    Hands-free microphone input (+)
•     19 -    Hands-free microphone input (-)

•     20 -    Earth for fax socket
•     21 -    Ser TXT for fax socket
•     22 -    Ser RXT for fax socket
•     26 -    Terminal 30