Wiring Diagram AUDI TT 2004 - Navigation system with CD drive control unit - navigation aerial - fuses
| D | Ignition/starter switch |
| F4 | Reversing light switch |
| J285 | Control unit with display in dash panel insert |
| J401 | Navigation system with CD drive control unit |
| R1 | Aerial connection |
| R50 | Navigation aerial |
| S5 | Fuse in fuse box |
| S12 | Fuse in fuse box |
| T8n | 8-pin connector, black, connector A, on navigation control unit |
| T10x | 10-pin connector, orange, in plenum chamber |
| T16 | 16-pin connector, black, shelf on driver's side (diagnosis connection) |
| T32 | 32-pin connector, blue, on dash panel insert |
| 279 | Earth connection -5-, in interior wiring harness, behind dash panel |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A87 | Connection (RF (reversing light)), in dash panel wiring harness |
| A108 | Connection (speed signal), in dash panel wiring harness |
| B135 | Connection (15a), in interior wiring harness |
Wiring Diagram AUDI TT 2004 - Navigation system with CD drive control unit - mobile phone operating electronics control unit - radio
| J401 | Navigation system with CD drive control unit |
| J412 | Operating electronics control unit, mobile phone |
| R | Radio |
| T6ap | 6-pin connector, connector C I, on navigation control unit |
| T8m | 8-pin connector, connector C III, on navigation control unit |
| T10k | 10-pin connector, red, radio connector IV |
| T54 | 54-pin connector, on operating electronics control unit, mobile phone |
| • | CAN bus (data wire) |
| * | Models with mobile phone |
Wiring Diagram AUDI TT 2004 - Control unit with display in dash panel insert - function selection switch II in centre console
| E272 | Function selection switch II, in centre console |
| J285 | Control unit with display in dash panel insert |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, grey, on dash panel insert |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| A148 | Connection (navigation CAN bus, high), in dash panel wiring harness |
| A149 | Connection (navigation CAN bus, low), in dash panel wiring harness |
| B145 | Positive (+) connection (58s), in interior wiring harness |
| • | CAN bus (data wire) |
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