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40 (16+12+12) pin QuadLock Fakra Head Unit / Car Stereo connector layout
40 (16+12+12) pin QuadLock Fakra Head Unit / Car Stereo connector
p/n 2E0035152D (RNS5001)

RCD4001 (MF2790)

RNS 5001

16 pin Connector

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
9 CAN bus, low
10 Telephone mute, mute switch for radio
11 CAN bus, high
12 Voltage supply, negative, terminal 31
13 Aerial voltage supply, positive
15 Voltage supply, positive, terminal 30
16 Wake-up line


12 pin C connector (check the numbering!)

1 Voltage supply for supplementary blower for radio, negative
5 AUX screening
6 AUX connection, left channel, positive
7 Voltage supply for supplementary blower for radio, positive
8 Supplementary blower for radio, diagnostics
11 AUX connection, negative for both channels
12 AUX connection, right channel, positive
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Volkswagen (2006-2016) RCD 4001, RNS 5001 Crafter Head Unit visual pinout:click to enlarge
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