Audi Workshop Service and Repair Manuals

Navigation operating electronics control unit -J402-

1 -	Multi-pin connector, 32-pin (not used)

2 -	GPS connection (blue) from navigation system aerial -R50-

3 -	Connection block with four multi-pin connectors and one fuse for unit

4 -	Connection, ZF (white) to left aerial module -R108-

5 -	Connection HF (white) from left aerial module -R108-

Note Contacts which are not listed are not used.

1 - Multi-pin connector, 32-pin (not used)

A - Multi-pin connector, 8-pin, brown (T8q) 2 -  Loudspeaker (+) (front right) (not with BOSE) 3 -  Loudspeaker (+) (front left) (not with BOSE) 6 -  Loudspeaker (-) (front right) (not with BOSE) 7 -  Loudspeaker (-) (front left) (not with BOSE)

B - Multi-pin connector, 12-pin, blue (T12n) 2 -  CD earth to CD changer -R41- / iPod holder -R192- / satellite radio -R146- 3 -  Speed signal (not used) 4 -  Permanent live to CD changer -R41- / iPod holder -R192- 5 -  L-diagnosis 6 -  CD data output to CD changer -R41- / iPod holder -R192- 7 -  BOSE coding to earth (only with BOSE) 8 -  Signal (left-side) from CD changer -R41- / iPod holder -R192- / satellite radio -R146- 9 -  Signal (right-side) from CD changer -R41- / iPod holder -R192- / satellite radio -R146- 10 -  Switched positive to CD changer -R41- / iPod holder -R192- 11 -  CD data input from CD changer -R41- / iPod holder -R192- 12 -  CD-CLK from CD changer -R41- / iPod holder -R192-

C - Multi-pin connector, 12-pin, green (T12m) 1 -  Microphone input (–) from telephone microphone -R38- (from MY 06) 2 -  Signal from reversing light switch -F4- (not used) 3 -  Signal (front left) to amplifier -R12- (only with BOSE) 4 -  Microphone output (–) to telephone transmitter and receiver unit -R36- (from MY 06) 5 -  Signal (rear left) to amplifier -R12- 6 -  NF– (low frequency) from telephone transmitter and receiver unit -R36- 7 -  Microphone input (+) from telephone microphone -R38- (from MY 06) 8 -  Signal earth to amplifier -R12- 9 -  Signal (front right) to amplifier -R12- (only with BOSE) 10 -  Microphone output (+) to telephone transmitter and receiver unit -R36- (from MY 06) 11 -  Signal (rear right) to amplifier -R12- 12 -  NF+ (low frequency) from telephone transmitter and receiver unit -R36-

D - Multi-pin connector, 8-pin, black (T16j) 9 -  CAN Bus High (Infotainment) 10 -  CAN Bus Low (Infotainment) 11 -  NF mute (low frequency) (not used) 12 -  Terminal 31 13 -  Switched positive to amplifier -R12- 14 -  Anti-theft alarm earth from convenience system central control unit -J393- 15 -  Terminal 30 16 -  Permanent live