as close as i can find - can't imagine it would be different but double check em anyway
note supplied as per leon aura unit c/o www.icecavern.com
All viewed into connector on head unit
Section 1 - Not all of these are available on the Aura v4 (Headphone, Telephone, External Display)
1 Not Connected
2 Not Connected
3 Headphone Out GND
4 Headphone Out L
5 Headphone Out R
6 Switched (+12V when unit is on)
7 Telephone Audio In Signal
8 External Display Clock
9 External Display Data
10 External Display Enable
11 Remote ( Not sure of its function )
12 Telephone Audio In GND
13 CD Data In
14 CD Data Out
15 CD Clock
16 +A CD (Not sure of its function but related to CD changer)
17 Switched Power to CD
18 CD Audio In GND
19 CD Audio In L
20 CD Audio In R
Section 2 Speakers
1 RR+
2 RR-
3 FR+
4 FR-
5 FL+
6 FL-
7 RL+
8 RL-
Section 3 Power
1 Speed Sense Wire
2 Telephone mute - Active low - Take to 0V to mute
3 OBD Diagnostics
4 Switched Ignition +12V
5 Antenna control (+12V when unit is on)
6 Illumination
7 Permanent +12V
8 Ground 0V
Attached image(s)
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