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Exploded view of navigation system I > < Connectors at navigation system with CD drive control unit J401

A3 Mk1

Connectors at operating electronics control unit, navigationJ402
   
Connectors at operating electronics control unit, navigation -J402-
  Note!
Contacts not listed are not used.
  A91-0021
-A- 26-pin connector
1 - Earth (terminal 31)
2 - Hands-free loudspeaker (-)
3 - Hands-free loudspeaker (+)
5 - Earth (operating unit)
6 - Control group 1 (operating unit)
7 - Control group 2 (operating unit)
8 - Illumination (operating unit)
12 - AF screen (telephone)
13 - AF (-) (telephone)
14 - Battery + (terminal 30)
15 - Terminal 15
16 - Illumination (terminal 58d)
17 - GALA (vehicle speed signal)
18 - Enable signal (to dash panel insert)
19 - Clock signal (to dash panel insert)
20 - Data signal (to dash panel insert)
21 - AF mute (telephone)
22 - Enable signal (from radio)
23 - Clock signal (from radio)
24 - Data signal (from radio)
25 - Mute signal (telephone)
26 - AF (+) (telephone)
  A91-0021
-B- 12-pin connector
1 - Screen
2 - Data signal (RxD)
3 - Data signal (TxD)
4 - Control signal (RTS)
5 - Control signal (CTS)
7 - Voice output signal (AF+)
8 - Voice output signal (AF-)
9 - AF screen
10 - Mute signal
  A91-0021

Exploded view of navigation system I > < Connectors at navigation system with CD drive control unit J401