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Pin
Number
Pin
Name
Description

A - Multi-pin connector, 8-pin
1 - LF mute from mobile phone prefitting
2 - Voltage supply to multimedia operating unit -E380-
3 - Wake UP to multimedia operating unit -E380-
5 - Mobile ON signal, Power ON
6 - Reset to multimedia operating unit -E380-
7 - Loop break diagnostic wire


B - Multi-pin connector, 12-pin
2 - Microphone input (+) of microphone unit in front roof module -R164- for voice control (voice control microphone)
3 - Microphone input (-) of microphone unit in front roof module -R164- for voice control (voice control microphone)
4 - Send wire to R173 - Traffic data aerial (TX VICS)
5 - Composite colour signal wire (-) of rear-view camera control unit -J772-
6 - Send wire to J676 - Chipcard reader control unit (TX ETC)
8 - Microphone input (+) microphone unit in front roof module -R164- (telephone microphone)
9 - Microphone input (-) microphone unit in front roof module -R164- (telephone microphone)
10 - Receive wire from R173 - traffic data aerial (RX VICS)
11 - Composite colour signal wire (+) of rear-view camera control unit -J772-
12 - Receive wire from J676 - Chipcard reader control unit (RX ETC)


C - Multi-pin connector, 12-pin
All pins are connected to the terminal for external audio sources -R199-.
1 - LF-In earth
2 - LF-In right
3 - USB (+5V)
4 - USB (earth)
6 - Detect
7 - LF-In left
8 - LF-In shield earth
9 - Composite colour signal wire (+)
10 - Composite colour signal wire (-)
11 - iPod data


D - Multi-pin connector, 8-pin
9 - Telephone ON signal to telephone bracket -R126-
10 - Data from multimedia operating unit -E380-
11 - Data to multimedia operating unit -E380-
12 - Terminal 31
13 - SNDREQ signal from telephone bracket -R126- (mobile)
14 - Reset from multimedia operating unit -E380-
15 - Terminal 30
16 - Earth to multimedia operating unit -E380-

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
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Audi Q5 (2010-2011) MMI 3G visual pinout:
Audi Q5 (2010-2011) MMI 3G diagram
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