Wiring Diagram VW PHAETON 2004 - Dash panel insert - data bus diagnosis interface - self-diagnosis connection - connection for heater and analogue clock

| J162 | Heater control unit |
| J285 | Control unit with display in dash panel insert |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnosis interface, in dash panel insert |
| T6af | 6-pin connector |
| T6e | 6-pin connector |
| T16 | 16-pin connector, on left under dash panel, self-diagnosis connection |
| T17a | 17-pin connector, grey, behind left dash panel |
| T17e | 17-pin connector, blue, on left under dash panel |
| T17f | 17-pin connector, green, behind left dash panel |
| T32a | 32-pin connector, green |
| Y | Analogue clock |
| B416 | Connection 2 (infotainment CAN bus, high), in main wiring harness |
| B422 | Connection 2 (infotainment CAN bus, low), in main wiring harness |
| B665 | Connection 1 (CAN bus extended high) in dash panel wiring harness |
| B666 | Connection 1 (CAN bus extended low) in dash panel wiring harness |
| *** | From May 2007 |
| -●- | Up to April 2007 |
Wiring Diagram VW PHAETON 2004 - Connection for: navigation system with CD drive - front display and information control panel - amplifier - digital sound package - TV tuner - navigation system tuner - telephone - telematics - cellphone operating electronics
| J401 | Navigation system with CD drive control unit |
| J412 | Mobile telephone operating electronics control unit |
| J415 | Navigation system tuner for TV |
| J519 | Onboard supply control unit |
| J523 | Control unit for front display and information control panel |
| J525 | Digital sound package control unit |
| J526 | Telephone and telematics control unit |
| R12 | Amplifier |
| R78 | TV tuner |
| T18a | 18-pin connector |
| T18tn | 18-pin connector |
| T24d | 24-pin connector |
| T32b | 32-pin connector |
| T47 | 47-pin connector |
| T54 | 54-pin connector |
| B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
| B416 | Connection 2 (infotainment CAN bus, high), in main wiring harness |
| B417 | Connection 3 (infotainment CAN bus, high), in main wiring harness |
| B418 | Connection 4 (infotainment CAN bus, high), in main wiring harness |
| B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
| B422 | Connection 2 (infotainment CAN bus, low), in main wiring harness |
| B423 | Connection 3 (infotainment CAN bus, low), in main wiring harness |
| B424 | Connection 4 (infotainment CAN bus, low), in main wiring harness |
| * | From May 2006 |
| --- | Up to April 2006 |
VW PHAETON 2004 Engine control unit -J623-
| Engine control unit -J623- |
| t | 12-cylinder petrol engine |
| t | 8-cylinder petrol engine |
| t | 6-cylinder petrol engine |
| A - | Engine control unit -J623- |
| B - | T121a - 121-pin connector, pin 1-81 |
| C - | T121a - 121-pin connector, pin 82-121 |
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| A - | Engine control unit -J623- |
| B - | T94aa - 94-pin connector |
| C - | T60aa - 60-pin connector |
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| A - | Engine control unit 2 -J624- |
| B - | T121b - 121-pin connector, pin 1-81 |
| C - | T121b - 121-pin connector, pin 82-121 |
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| Adaptive suspension control unit -J197- |
| A - | Adaptive suspension control unit J197 |
| B - | T121c - 121-pin connector, pin 1-81 |
| C - | T121c - 121-pin connector, pin 82-121 |
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| Tyre pressure monitor control unit -J502- |
| A - | Tyre pressure monitor control unit -J502- |
| B - | T32f - 32-pin connector |
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| Entry and start authorisation control unit -J518- |
| A - | Entry and start authorisation control unit -J518- |
| B - | T6ak - 6-pin connector |
| C - | T81k - 81-pin connector |
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| Driver seat control unit -J136-, front passenger seat control unit -J521- and rear seats control unit -J522- |
| A - | 26-pin connector, T26sa (driver seat), T26sb (front passenger seat), T26sc (rear seat) |
| B - | 6-pin connector, T6sb (driver seat), T6sa (front passenger seat), T6st (rear seat) |
| C - | 6-pin connector, T6sc (driver seat), T6sg (front passenger seat), T6sz (rear seat) |
| D - | 6-pin connector, T6sd (driver seat), T6su (rear seat) |
| E - | 6-pin connector, T6se (driver seat), T6sh (front passenger seat), T6sv (rear seat) |
| F - | 6-pin connector, T6sf (driver seat), T6sj (front passenger seat), T6sy (rear seat) |
| G - | 4-pin connector, T4sg (driver seat), T4sh (front passenger seat), T4sj (rear seat) |
| H - | 2-pin connector, T2sh (driver seat), T2sj (front passenger seat), T2sk (rear seat) |
| J - | 18-pin connector, T18sj (driver seat), T18sk (front passenger seat), T18sl (rear seat) |
| K - | 6-pin connector, T6sk (driver seat), T6sp (front passenger seat), T6si (rear seat) |
| L - | 6-pin connector, T6si (driver seat), T6sq (front passenger seat), T6so (rear seat) |
| M - | 6-pin connector, T6sm (driver seat), T6sr (front passenger seat), T6sw (rear seat) |
| N - | 6-pin connector, T6sn (driver seat), T6ss (front passenger seat), T6sx (rear seat) |
| P - | 16-pin connector, T16sp (driver seat), T16sn (front passenger seat), T16sl (rear seat) |
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| ABS with EDL control unit -J104- |
| A - | ABS with EDL control unit -J104- |
| B - | T42 - 42-pin connector |
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| Automatic gearbox control unit J217 (01L, 01V) |
| A - | Automatic gearbox control unit -J217- |
| B - | 88-pin connector -T88a- |
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| Airbag control unit -J234- |
| A - | Airbag control unit -J234- |
| B - | T81a - 84-pin connector |
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| Control unit for front display and information control panel - J523- |
| 1 - | T32c - 32-pin connector |
| 2 - | T4k - 4-pin connector |
| 3 - | T2o - 2-pin connector |
| 4 - | 8-pin connector |
| 5 - | 8-pin connector |
| 6 - | T8h - 8-pin connector |
| 7 - | Aerial connection |
| 8 - | Aerial connection |
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| Suppression filter -C10- , battery monitor control unit 2 -J934- and connectors |
| 1 - | Multimedia system control unit -J650- |
| 2 - | 2-pin connector -T2xn- , black, for DVD flap lighting in luggage compartment |
| 3 - | 6-pin connector -T6bm- , black, voltage supply from vehicle |
| 4 - | Multimedia system display unit 1 control unit -J744- |
| 5 - | 2-pin connector -T2xk- , -T2xj- and -T2xl- from rear DVD changer -R162- |
| t | 2-pin connector -T2xk- , red, right audio channel |
| t | 2-pin connector -T2xj- , white, left audio channel |
| t | 2-pin connector -T2xl- , yellow, video channel |
| 6 - | Suppression filter -C10- for electromagnetic compatibility |
| 7 - | Upper and lower holder for DVD changer |
| 8 - | Rear DVD changer -R162- |
| 9 - | Battery monitor control unit 2 -J934- |
| 10 - | 2-pin connector -T2xm- , black, voltage supply for multimedia system control unit -J650- |
| 11 - | Connectors for audio and video signals on multimedia system display unit 1 control unit -J744- |
| Control units under rear shelf |
| A - | Telephone and telematics control unit J526 |
| B - | Rear lid control unit J605 |
| C - | Convenience system central control unit -J393- |
| D - | TV tuner -R78-, Navigation system tuner for TV -J415- |
| E - | Parking aid control unit -J446- |
| F - | Luggage compartment aerial for access and start authorisation -R137- |
| G - | Aerial amplifier R24 |
| H - | Vehicle inclination sender -G384-, for anti-theft alarm (tow-away protection) |
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