Audi Workshop Service and Repair Manuals

Operating electronics control unit for navigation -J402-

1 -	Connection HF (black) from navigation interface -R94-

2 -

Fan

3 -	Connection ZF (intermediate frequency) (yellow) to aerial selection control unit -J515- / left aerial module -R108-

4 -	Multi-pin connector, 11-pin (T11) from navigation/TV tuner -J415-

5 -	Earth connection

6 -	Connection block with three multi-pin connectors and one fuse for unit

7 -	GPS connection (blue) from navigation aerial -R50-

8 -

Fan

9 -	Multi-pin connector, 26-pin, black (T26)

Note Contacts which are not listed are not used.

4 - Multi-pin connector, 11-pin (T11) 1 -  Audio earth from navigation/TV tuner -J415- 2 -  Audio input (left-side) from navigation/TV tuner -J415- 3 -  Audio input (right-side) from navigation/TV tuner -J415- 4 -  Video input sync. from navigation/TV tuner -J415- 5 -  Video earth from navigation/TV tuner -J415- 6 -  Switch A (NTSC=60Hz/PAL=50Hz) (not used) 7 -  Switch B (Monitor On) (not used) 8 -  Video input (blue) from navigation/TV tuner -J415- 9 -  Video input (green) from navigation/TV tuner -J415- 10 -  Video input (red) from navigation/TV tuner -J415- 11 -  Screen earth from navigation/TV tuner -J415-

6 - Multi-pin connector I, 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- (only with BOSE) 5 -  Signal (front right) to amplifier -R12- (only with BOSE) 6 -  Switched positive to amplifier -R12- 7 -  NF+ (low frequency) from telephone transmitter and receiver unit -R36- 10 -  CD earth to CD changer -R41- 12 -  NF– (low frequency) from telephone transmitter and receiver unit -R36- 13 -  CD data input from CD changer -R41- 14 -  CD data output to CD changer -R41- 15 -  CD-CLK from CD changer -R41- 16 -  Permanent live to CD changer -R41- 17 -  Switched positive to CD changer -R41- 18 -  Signal earth to CD changer -R41- 19 -  Signal (left-side) from CD changer -R41- 20 -  Signal (right-side) from CD changer -R41-

6 - Multi-pin connector II, 8-pin, brown (T8a) 3 -  Loudspeaker (+) (front right) (not with BOSE) 4 -  Loudspeaker (–) (front right) (not with BOSE) 5 -  Loudspeaker (+) (front left) (not with BOSE) 6 -  Loudspeaker (–) (front left) (not with BOSE)

6 - Multi-pin connector III, 8-pin, black (T8) 1 -  Vehicle speed signal 2 -  NF mute (low frequency) from telephone transmitter and receiver unit -R36- 3 -  L-diagnosis 4 -  Terminal 86s 5 -  SAFE (terminal 30) connected with pin 7 6 -  Terminal 58s 7 -  Terminal 30 8 -  Terminal 31

9 - Multi-pin connector, 26-pin, black (T26) 1 -  Anti-theft alarm earth from convenience system central control unit -J393- 4 -  Terminal 15 5 -  Speed sensor input (left-side) 6 -  FAW NF+ (low frequency) (not used) 13 -  CAN Bus High (BOSCH) 14 -  Switched positive (not used) 17 -  Signal from reversing light switch -F4- 18 -  Speed sensor input, right-side (not used) 19 -  FAW NF– (low frequency) (not used) 20 -  FAW NF (low frequency) (screen) (not used) 26 -  CAN Bus Low (BOSCH)