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52 pin Volkswagen Quadlock connector layout
52 pin Volkswagen Quadlock connector
p/n 8V0035038B

Connectors at right left are for LTE aerial, connector right to them - for SDARS (NAR vehicles) or DAB (all others). Blue connector - for GPS. White connectors are for AM/FM.

52 multi-pin connector

Pin
Number
Description
A1 Loudspeaker (+), rear right
A2 Loudspeaker (+), front right
A3 Loudspeaker (+), front left
A4 Loudspeaker (+), rear left
A5 Loudspeaker (–), rear right
A6 Loudspeaker (–), front right
A7 Loudspeaker (–), front left
A8 Loudspeaker (–), rear left
A9 Subwoofer (+)
A10 Centre loudspeaker (+)
A13 Subwoofer (-)
A14 Centre loudspeaker (-)
A17 Terminal 31
A18 Terminal 30
Pin
Number
Description
B1 Microphone input (+) from microphone unit in front roof module (telephone microphone )
B4 NF (+) (low frequency) from pre-fitted components for mobile phone installation
B5 NF mute
B6 FBAS wire (-) from reversing camera system control unit
B7 Microphone input (–) from microphone unit in front roof module (telephone microphone)
B10 NF (-) (low frequency) from pre-fitted components for mobile phone installation
B12 FBAS wire (+) from reversing camera system control unit
Pin
Number
Description
C1 NF in, earth (low frequency)
C2 NF in, right-side (low frequency)
C3 USB (+5 V)
C4 USB (earth)
C7 NF in, left-side (low frequency)
C8 NF in, screen earth (low frequency)
Pin
Number
Description
E1 CAN bus High to multimedia system operating unit / display unit for front information display and operating unit  control unit
E2 Reset to multimedia system operating unit
E3 Open circuit diagnostic lead
E5 Switch-on signal to telephone bracket
E6 CAN bus High, infotament
E7 CAN bus Low to multimedia system operating unit / display unit for front information display and operating unit  control unit
E8 Reset from multimedia system operating unit
E11 Status signal from telephone bracket
E12 CAN bus Low, infotament

4 pin light-brown connector (for external audio source)

Pin
Number
Description
1 D (+)
2 iPod detected
3 D (–)
4 Earth

4 pin turquoise connector (for display unit)

Pin
Number
Description
1 LVDS (–)
2 LIN
3 LVDS (+)
4 Earth

 

4 pin Head Unit LVDS shaped connector layout
4 pin Head Unit LVDS shaped connector
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