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Volkswagen RNS 310 pin assignments

1. Multi-pin connector 1, 8-pin, for loudspeaker outputs
1 – Rear right loudspeaker, positive
2 – Front right loudspeaker, positive
3 – Front left loudspeaker, positive
4 – Rear left loudspeaker, positive
5 – Rear right loudspeaker, negative
6 – Front right loudspeaker, negative
7 – Front left loudspeaker, negative
8 – Rear left loudspeaker, negative

2. Multi-pin connector 2, 8-pin, for voltage supply lines and CAN bus
9 – CAN bus, high
10 – CAN bus, low
11 – Display voltage supply, positive
12 – Voltage supply, negative, terminal 31
13 – Display HV CAN bus low
14 – Display HV CAN bus high
15 – Voltage supply, positive, terminal 30
16 – Anti-theft coding control signal, SAFE, positive

3. Multi-pin connector 3, 12-pin, for telephone and microphone signals
1 – Microphone input, negative
2 – AUX output, audio, right
3 – AUX output, common signal earth
4 – Microphone output, negative
5 – Telephone audio input signal left, negative
6 – Telephone audio input signal right, negative
7 – Microphone input, positive
8 – AUX output, audio, left
9 – Microphone output, positive
10 – Telephone mute (mute switch for radio)
11 – Telephone audio input signal left, positive
12 – Telephone audio input signal right, positive

4. Multi-pin connector 4, 12-pin, for CD changer control and CD audio input signals
1 – AUX signal input, left
2 – AUX signal earth
3 – CD changer, audio signal earth
4 – CD changer, voltage supply, positive, terminal 30, contact continuous load greater than 1 A, temporary peak load 5 A
5 – Not assigned
6 – CD changer, DATA OUT
7 – AUX signal input, right
8 – CD changer, left audio channel, CD/L
9 – CD changer, right audio channel, CD/R
10 – CD changer, control line, switched positive
11 – CD changer, DATA IN
12 – CD changer, CLOCK (internal check protocol for data flow monitoring)

5. Navigation Aerial Connector
Navigation aerial connector (GPS), double Fakra, coding C, impedance 50 ohms, colour signal blue

6. FM 2 Aerial Connector
FM 2 radio reception aerial connector, double Fakra, coding B, impedance 50 ohms, colour cream-white

7. AM and FM Aerial Connector
AM and FM radio reception aerial connector, double Fakra, no coding, impedance 50 ohms, colour cream-white

No details on when 26 pin audio and video connector is fitted, most likely only on models fitted with RVC from the factory.

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