Audi Workshop Service and Repair Manuals

•     1 -    → Connection block with four multi-pin connectors and a fuse
•     2 -    Multipin connector I, 20-pin, consists of
• Partial connector, 6-pin, yellow
• Partial connector, 6-pin, green
• Partial connector, 8-pin, blue
•     3 -    Multipin connector II, 8-pin, brown
•     4 -    Multipin connector III, 8-pin, black
•     5 -    Multipin connector IV, 10-pin, red
•     6 -    GPS aerial connection; connection socket for navigation system aerial
•     7 -    Retainer bar for aerial connection

Contact assignment of multi-pin connectors I, II, III, and IV on rear side of control unit for navigation system with CD drive -J401

→ Multi-pin connector I, 20-pin

•     1 -    CAN high telematics
•     2 -    CAN high display
•     3 -    CAN screen telematics
•     4 -    CAN low telematics
•     5 -    CAN low display
•     6 -    CAN screen display
•     7 -    Button section 2
•     8 -    Output A
•     9 -    Switch
•     10 -    Button section 3
•     11 -    Output B
•     12 -    Earth
•     13 -    AF +
•     14 -    AF mute, navigation system
•     15 -    AF -
•     16 -    Telephone AF (+)
•     17 -    Tel. active / mute FAW
•     18 -    Tel. AF screen
•     19 -    Telephone AF (-)
•     20 -    not used

→ Multi-pin connector II, 8-pin, brown

•     1 -    not used
•     2 -    not used
•     3 -    not used
•     4 -    not used
•     5 -    not used
•     6 -    not used
•     7 -    not used
•     8 -    not used

Multi-pin connector III, 8-pin, black

•     1 -    Gala (speed signal)
•     2 -    Reversing light switch
•     3 -    K diagnosis
•     4 -    Terminal 15
•     5 -    not used
•     6 -    not used
•     7 -    Terminal 30
•     8 -    Terminal 31

Multi-pin connector IV, 10-pin, red

•     1 -    not used
•     2 -    not used
•     3 -    not used
•     4 -    not used
•     5 -    not used
•     6 -    not used
•     7 -    not used
•     8 -    not used
•     9 -    not used
•     10 -    not used