Vehicle electricsOverview of telephone system
| Overview of telephone system |

Note | The only significant difference between a vehicle fitted with complete telephone system and one with preparation for mobile telephone is the factory-fitted mobile telephone. Therefore, only the complete telephone system is shown in the following overview. |
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| 1 - | Multifunction steering wheel |
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| For further information, refer to chapter Multifunction steering wheel → Chapter. |
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| For hands-free operation of telephone |
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| Installed in front interior light |
| 4 - | Connector for microphone |
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| Installed in mounting frame of front interior light |
| Control unit with display for radio navigation -J503- (radio navigation system). |
| 6 - | Loudspeaker group, right |
| 7 - | Loudspeaker group, left |
| 8 - | Voltage supply for mobile telephone operating electronics control unit (interface box) |
| 9 - | Mobile telephone operating electronics control unit -J412- (interface box) |
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| Installed under right front seat |
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| Removing and installing, Golf saloon → Chapter |
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| Removing and installing, Golf Plus → Chapter |
| 10 - | Connector on telephone bracket |
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| Installed in telephone bracket wiring harness behind dash panel |
| 11 - | Connector to mobile telephone operating electronics control unit |
| 12 - | Telephone aerial -R51- |
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| Installed on rear of roof |
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| For further information, refer to chapter Aerial systems → Chapter. |
| 13 - | Aerial cable connector |
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| Telephone aerial connector |
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| Installed beneath rear of headliner |
| 14 - | Mobile telephone -R54- |
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| Removing and installing telephone bracket, Golf saloon → Chapter. |
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| Removing and installing telephone bracket, Golf Plus → Chapter. |
| 15 - | Steering column electronics control unit -J527- |
03 General