Operation CHARM: Car repair manuals for everyone.

Navigation System






RNS 315 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, Telephone Signal Input, Mute

Terminal assignment

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

Terminal assignment

5 26-pin Connector 5, Video and LF Input

Terminal assignment, refer to => [ 26-pin Connector 5, Video and LF Input ]

6 GPS Antenna Connection

From GPS antenna (R50) in roof antenna (RX5)

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

7 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 Satellite Digital Audio Radio Service (SDARS) Antenna Connection

Depending on the vehicle equipment level

Connector color: black

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

SDARS is a satellite-supported radio system

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

The audio signals from the radio/RNS are also input signals for the amplifier (R12).

8-pin Connector 2, Voltage Supply, CAN Bus






9 - CAN-Bus, Positive

10 - CAN-Bus, Negative

11 - Not Assigned

12 - Ground Connection, Terminal 31

13 - Not Assigned

14 - Not Assigned

15 - Continuous Plus, Terminal 30

16 - Anti-theft Protection Sensor, Terminal 30

12-pin Connector 3, Telephone Signal Input, Mute






1 Microphone Input, Negative

2 Not Assigned

3 Not Assigned

4 Not Assigned

5 Telephone LF-Signal Input, Left, Negative

6 Telephone LF-Signal Input, Right, Negative

7 Microphone Input, Positive

8 Not Assigned

9 Not Assigned

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 (R41)






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 Continuous Plus, 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)

26-pin Connector 5, Video and LF Input





1. Not assigned

2. Not assigned

3. Not assigned

4. Video input RGBS ground

5. Not assigned

6. UHV cell phone detect

7. UHV cradle and description of key functions

8. UHV cradle, antenna diagnosis

9. Reserve (video input RGBS ground)

10. Not assigned

11. Video input, ground shield

12. Video input sync

13. Video input green

14. Not assigned

15. Not assigned

16. Not assigned

17. Not assigned

18. Not assigned

19. UHV cradle ground

20. UHV connected positive, terminal 30

21. Not assigned

22. Not assigned

23. Not assigned

24. Video input RGBS ground

25. Video input blue

26. Video input red


Antenna Connections





1. AM/FM antenna connection from right antenna module (R109)

2. Antenna connection (FM2) from left antenna module (R108)

3. Antenna connection (GPS) from GPS antenna (R50)