audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Aerial selection control unit J515 > < Connectors and pin assignment

A4 Mk2

Operating electronics control unit for navigationJ402
   
Operating electronics control unit for navigation -J402-
1 - GPS connection (blue) from navigation aerial -R50-
2 - Multi-pin connector, 32-pin, black (T32f)
3 - Fan
4 - Connection block with three multi-pin connectors and one fuse for unit
5 - Connection TV (green) from aerial selection control unit -J515-
6 - Connection FM2 (white) from aerial amplifier -R24-/left aerial module -R108-
7 - Connection FM1 (white) from aerial amplifier -R24-/left aerial module -R108-

  Note
Non-listed plug contacts are not used.
   
2 - Multi-pin connector, 32-pin, black (T32f)
1 - Terminal 15
8 - Contact 1 to aerial selection control unit -J515-
9 - Contact 2 to aerial selection control unit -J515-
22 - Signal from reversing light switch -F4-
24 - Screen earth to aerial selection control unit -J515-
25 - Diagnosis to aerial selection control unit -J515-
  A91-0653
C - Multi-pin connector, 20-pin, black (T20d)
1 - Signal (rear left) to amplifier -R12-
2 - Signal (rear right) to amplifier -R12-
3 - Signal earth to amplifier -R12-
4 - Signal (front left) to amplifier -R12-
5 - Signal (front right) to amplifier -R12-
6 - Switched positive to amplifier -R12-
8 - CAN Bus High (Infotainment)
9 - CAN Bus Low (Infotainment)
10 - CD earth to CD changer -R41-
11 - CD mute to CD changer -R41-
12 - Permanent live to CD changer -R41-
13 - CD-Tx (+) from CD changer -R41-
14 - CD-Tx (–) from CD changer -R41-
16 - Signal (–), left-side from CD changer -R41-
17 - Switched positive to CD changer -R41-
18 - Signal (–), right-side from CD changer -R41-
19 - Signal (+), left-side from CD changer -R41-
20 - Signal (+), right-side from CD changer -R41-
  A91-0654
B - Multi-pin connector, 8-pin, brown (T8a)
3 - Loudspeaker (+), front right
4 - Loudspeaker (–), front right
5 - Loudspeaker (+), front left
6 - Loudspeaker (–), front left
  A91-0654
A - Multi-pin connector, 8-pin, black (T8)
1 - Vehicle speed signal
3 - K wire
4 - Terminal 86s
7 - Terminal 30
8 - Terminal 31
  A91-0654

Aerial selection control unit J515 > < Connectors and pin assignment