System Diagram
Multimedia Control Module, Multi-Pin Connector Assignment
Multi-Pin Connector - A -, Green
1 Left rear treble speaker, positive
2 Right rear bass speaker, negative
3 Right rear bass speaker, positive
4 Left rear bass speaker, positive
5 Right rear treble speaker, negative
6 Right rear treble speaker, positive
7 Left rear treble speaker, negative
8 Left front bass speaker, negative
9 Left front bass speaker, positive
10 Left rear bass speaker, negative
11 Right front midrange speaker, negative
12 Right front midrange speaker, positive
13 not used
14 Left rear audio signal input, negative
15 Left rear audio signal input, positive
16 not used
17 Right rear audio signal input, negative
18 Right rear audio signal input, positive
19 Control in (optional)
20 Left front audio signal input, negative
21 Left front audio signal input, positive
22 not used
23 Right front audio signal input, negative
24 Right front audio signal input, positive
1. DVD player, voltage supply, terminal 30
2. Activation voltage for DVD player from radio
3. Control interface for DVD player infrared signal
4. DVD player, video signal negative
5. DVD player, video signal positive
6. Multimedia display, infrared signal
7. Multimedia display, picture signal, negative
8. Multimedia display, picture signal, positive
9. Multimedia display, negative
10. Not used
11. Not used
12. Not used
13. Not used
14. DVD player, negative
15. Multimedia control module, DVD player temperature dependent input signal
16. DVD player, audio signal, negative
17. DVD player, audio signal, positive, right
18. DVD player, audio signal, positive, left
19. Multimedia display, activation voltage
20. Multimedia display, protocol RXD
21. Multimedia display, protocol TXD
22. Multimedia display, voltage supply, terminal 30
23. Not used
24. Not used
25. Not used
26. Not used
Multi-Pin Connector - B -, Black
1 CAN, low
2 Left front midrange speaker, negative
3 Left front midrange speaker, positive
4 CAN, high
5 Not used
6 Left front treble speaker, negative
7 Not used
8 Not used
9 Left front treble speaker, positive
10 Not used
11 Right front bass speaker, positive
12 Right front bass speaker, negative
13 Not used
14 Not used
15 Right front treble speaker, positive
16 Voltage supply, negative
17 Not used
18 Right front treble speaker, negative
19 Voltage supply, negative
20 Voltage supply, positive
21 Voltage supply, positive
22 Voltage supply, negative
23 Voltage supply, positive
1. Voltage supply, terminal 30
2. Switch voltage, positive
3. Radio data input
4. Audio signal output, right, positive
5. Audio signal output, left, positive
6. Audio signal output, negative
7. Radio signal input, negative
8. Picture signal input, positive
9. Picture signal input, negative
10. Control unit, switching on, input
11. Control unit control "UP", input
12. Control unit control "Down", input
13. Control unit, negative
14. Ground, terminal 31
15. Radio unit, CLK out (data protocol)
16. Radio unit, data output
17. Radio unit, Audio signal ground
18. Control unit, radio signal output, right
19. Control unit, radio signal output, left
20. Control unit, radio signal output, right
21. Radio unit, audio signal output, left
22. Control unit, radio output for ON/OFF and source selection
23. Control unit, radio output for ON/OFF and source selection
24. Control unit, radio output for ON/OFF and source selection
25. Not used
26. Control unit, voltage supply, positive