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RCD 310 Connectors






RCD 310 Connectors






1 8-pin Connector 1, Speaker Outputs

Terminal assignment

2 8-pin Connector 2, Voltage Supply, CAN Bus

Terminal assignment

3 12-pin Connector 3, External Audio Source Connection, Telephone Signal Input, Mute

Terminal assignment

4 12-pin Connector 4, External Audio Source Connection, CD Changer

Terminal assignment

5 SDARS (Satellite Digital Audio Radio Service) Antenna Connection

Depending on the vehicle equipment level

From satellite antenna (R170) in roof antenna (RX5)

Satellite Digital Audio Radio Services (SDARS) is a satellite-supported radio system

Additional information can be found in => [ Antenna System Component Location Overview ] Antenna System Component Location Overview.

6 Antenna Connection

AM/FM from right antenna module (R109)

FM2 from left antenna module (R108)

Additional information can be found in => [ Antenna System Component Location Overview ] Antenna System Component Location Overview.

8-pin Connector 1, Speaker Outputs






1 Right Rear Speaker, Positive

2 Right Front Speaker, Positive

3 Left Front Speaker, Positive

4 Left Rear Speaker, Positive

5 Right Rear Speaker, Negative

6 Right Front Speaker, Negative

7 Left Front Speaker, Negative

8 Left Rear Speaker, Negative

8-pin Connector 2, Voltage Supply, CAN Bus






9 - CAN-Bus, Positive

10 - CAN-Bus, Negative

11 - Connected, Positive, Terminal 15

12 - Ground Connection, Terminal 31

13 - HS-CAN Bus Display, Negative

14 - HS-CAN Bus Display, Positive

15 - Positive Connection, Terminal 30

16 - Anti-theft Protection Sensor, Terminal 30

12-pin Connector 3, External Audio Source Connection, Telephone Signal Input, Mute






1 Microphone Input, Negative

2 External Audio Source Connection, Right Audio Output, Positive

3 External Audio Source Connection, Audio Output, Negative

4 Microphone Output, Negative

5 Telephone LF-Signal Input, Left, Negative

6 Telephone LF-signal Input, Right, Negative

7 Microphone Input, Positive

8 External Audio Source Connection, Left Audio Output, Positive

9 Microphone Output, Positive

10 Mute

11 Telephone LF-Signal Input, Left, Positive

12 Telephone LF-Signal Input, Right, Positive

12-pin Connector 4, External Audio Source Connection, CD Changer






1 External Audio Source Connection, Left Audio Input, Positive

2 External Audio Source Connection, Audio Input, Negative

3 Audio from CD Changer (R41) , Negative

4 Terminal 30 to the CD Changer (R41)

5 Not Assigned

6 Data Output to the CD Changer (R41)

7 External Audio Source Connection, Right Audio Input, Positive

8 Left Audio from the CD Changer (R41)

9 Right Audio from the CD Changer (R41)

10 Control Signal to the CD Changer (R41) , Connected Positive

11 Data Input from CD Changer (R41)

12 Clock from the CD Changer (R41)