N9 Radio

Plug connector overview

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Positive activation, front left loudspeaker	Amplifier

2	A	Positive activation, front right loudspeaker	Amplifier

3	A	Positive activation, rear left loudspeaker	Amplifier

4	E	Telephone mute signal	Transceiver/charging electronics

5	E	Voltage supply terminal R	Unloader relay terminal R

6	A	Positive activation, rear right loudspeaker	Amplifier

7	E/A	I/K-bus signal link	Connector, I/K-bus

8	A	Negative activation, front left loudspeaker	Amplifier

9	E	Terminal 30	Fuse F69

10	E	Speedometer (A) output signal	Integrated electronic control unit (IKE)

11	A	Negative activation, front right loudspeaker	Amplifier

12	A	Negative activation, rear left loudspeaker	Amplifier

13	E	Night light signal	Light module

14	A	Negative activation, rear right loudspeaker	Amplifier

15	M	Radio ground	Ground point

16	A	Radio ON/antenna signal	Amplifier

17		Not used

Pin	Type	Description / Signal type	Connection / Measuring notes
1	A	Positive activation Audio cassette right	On-board monitor

2	M	Negative activation Audio cassette right	On-board monitor

3		Not used

4		Not used

5	M	Negative signal, low frequency	Video module

6	A	Positive activation Audio cassette left	On-board monitor

7	M	Negative activation Audio cassette left	On-board monitor

8		Not used

9		Not used

10	M	Positive signal, low frequency	Video module

Pin	Type	Description / Signal type	Connection / Measuring notes
1	E	Antenna signal	Diversity

Pin	Type	Description / Signal type	Connection / Measuring notes
1	E	Antenna signal	Radio clock receiver Japan Vics receiver