Symphony W/Bose Sound System Multi-pin Connectors I/II/III & IV

Terminal Assignment Of Multi-pin Connectors I, II, III, IV At Rear Of Radio


NOTE: Unmentioned connector terminals are not assigned.







20-pin multi-pin connector I
1 - Line out (left rear)
2 - Line out (right rear)
3 - NF-Ground (GND)
4 - Line out (front left)
5 - Line out (front right)
6 - Switched B+ (BOSE-end amplifier)
7 - CAN-high (only radio "symphony")
8 - Clock-signal (discontinued for CAN-connection)
9 - Data-signal (discontinued for CAN-connection)
10 - Enable-signal (discontinued for CAN-connection)
11 - Remote control steering wheel
12 - CAN-low (only radio "symphony")
13 - CD-Bus data in (CD-changer)
14 - CD-Bus Data out (CD-changer)
15 - CD-clock (CD-changer)
16 - Continuous B+ (CD-changer)
17 - CD-switched B+ (CD-changer)
18 - CD-NF Ground (GND) (CD- changer)
19 - Signal wire left channel (CD-NF-L)
20 - Signal wire right channel (CD-NF-R)

Brown 8-pin multi-pin connector II
3 - Speaker (+) front right
4 - Speaker (-) front right
5 - Speaker (+) front left or Hands-free speaker (+) (for BOSE-sound system)
6 - Speaker (-) front left or Hands-free speaker (-) (for BOSE-sound system)

Black 8-pin multi-pin connector III
1 - Gala (RPM signal)
2 - NF-Telephone muting
3 - K-diagnostic
4 - Terminal 86s - connection for switching on and off via ignition switch (S-contact)
5 - Switched B+ for antenna amplifier
6 - Illumination (terminal 58d)
7 - Battery + (terminal 30)
8 - Ground (GND) (terminal 31)

Red 10-pin multi-pin connector IV
1 - Telephone muting
2 - Terminal 15 (only for navigation equipment)
3 - Telephone (NF+) (not for navigation equipment)
4 - Telephone (NF-) (not for navigation equipment)
5 - Navigation (NF+)
6 - Navigation (NF-)
7 - Navigation control wire
9 - Illumination display (terminal 58d)
10 - CD-Ground (GND)