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Overview > < Telephone system

A1

General notes
General notes
The telephone system consists of the following versions:
t  Mobile phone pre-installation in control unit 1 for information electronics -J794- (concert MOST)
The telephone bracket -R126- is fitted in the centre armrest. The system is operated using the MMI infotainment system or the mobile telephone -R54-.
Microphones for the microphone unit in front roof module -W1- are integrated in the front interior light -R164-. One of these microphones (telephone microphone -R38-) is connected directly to the control unit 1 for information electronics -J794-.
The aerial connection is located at the telephone bracket -R126-.
t  Mobile phone pre-installation in control unit 1 for information electronics -J794- (MMI MOST)
The telephone bracket -R126- is fitted in the centre armrest. The system is operated using the MMI infotainment system or the mobile telephone -R54-.
Microphones for the microphone unit in front roof module -W1- are integrated in the front interior light -R164-. One of these microphones (telephone microphone -R38-) is connected directly to the control unit 1 for information electronics -J794-.
The aerial connection is located at the telephone bracket -R126-.
t  Pre-fitted components for mobile phone installation
The connector for pre-fitted components is located beneath the centre console.
Microphones for the microphone unit in front roof module -W1- are integrated in the front interior light -R164-. One of the microphones (telephone microphone -R38-) is connected to the connector.
The aerial connection for the telephone aerial -R65- is located at the connector.
t  Bluetooth hands-free system in control unit 1 for information electronics -J794- (concert MOST)
The control unit 1 for information electronics -J794- with microphone unit in front roof module -R164- is fitted and used as a hands-free system. It is connected to the mobile telephone -R54- via Bluetooth.
The aerial for Bluetooth -R152- is fitted in the control unit 1 for information electronics -J794-.
t  Bluetooth hands-free system in control unit 1 for information electronics -J794- (MMI MOST)
The control unit 1 for information electronics -J794- with microphone unit in front roof module -R164- is fitted and used as a hands-free system. It is connected to the mobile telephone -R54- via Bluetooth.
The aerial for Bluetooth -R152- is fitted in the control unit 1 for information electronics -J794-.
Fault finding is performed via the „Guided Fault Finding“ → Vehicle diagnostic tester.
Aerial wire repairs → Electrical system; Rep. gr.97.
Notes on Bluetooth technology
A standardised radio connection system (Bluetooth technology) is used to transmit data between the control unit 1 for information electronics -J794- and the mobile telephone -R54-.
An additional transmitter and receiver unit is fitted in the control unit 1 for information electronics -J794-. An aerial for Bluetooth -R152- links the control unit 1 for information electronics -J794- and the mobile telephone -R54-, allowing cordless operation of the mobile telephone -R54-.
The range of the radio wave connection is approx. 10 m.
   

Overview > < Telephone system