| General notes (up to week 44/08) |
| The data for the Infotainment, telephone, navigation and speech control systems, audio players, sound system and data bus diagnostic interface -J533- are transmitted via the fibre optic MOST bus. |
| The connection to the other data buses in the vehicle is provided by the data bus diagnostic interface -J533-. |
| The central control unit is the control unit for front display and information control panel -J523-. The signals required to display information on the instrument cluster display are transmitted via the MOST bus to the data bus diagnostic interface -J533- and from there via the CAN bus (instrument cluster) to the instrument cluster. |
| For more information, refer to → No.286. |
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| Control unit for front display and information control panel -J523- behind dash panel |
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| Multimedia system operating unit -E380- in centre console |
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| Display unit for front information display and operating unit control unit -J685- in dash panel (centre) |
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| Digital sound package control unit -J525- located in luggage compartment (rear left) |
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| Radio -R- in luggage compartment (rear left) |
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| Sound systems: Standard/Bang & Olufsen |
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| CD changer -R41- in dash panel |
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| Connection for external audio sources -R199- in glove box/centre console storage compartment |
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| Navigation system with CD drive control unit -J401- located in luggage compartment (rear left) |
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| TV tuner -R78- in luggage compartment (rear left) |
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| Multi-function steering wheel |
| In addition to the CAN bus, the fibre optic data bus „MOST bus“ is used. |
| A „fibre optic cable“ is used as the connecting cable. The fibre optic cables are fitted in corrugated tubes for protection. |
| Renew the complete fibre optic cable whenever possible. |
| It is important to ensure that the end faces of the connectors do not become dirty. |
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