Telephone system (Audi Q5-8R)

The telephone system can be presented in the following versions:

Equipment for connecting a mobile phone (CAN)

The telephone transceiver "R36" is connected to the infotainment system (radio) via the CAN-BUS. It also has an antenna for Bluetooth "R152". The central console has a holder for the telephone "R126". Control is via the radio "R" or the mobile telephone "R54". The microphones of the microphone unit of the front roof module "R164" are built into the front courtesy light "W1". One of the microphones (front left microphone "R140") is connected to the telephone transceiver "R36".

Set for connecting a mobile phone to the communications electronics control unit 1 "J794" (MMI)

The central console is equipped with a telephone holder "R126". It is controlled via the MMI infotainment center or the mobile radio telephone "R54". The microphones of the microphone unit of the front roof module "R164" are built into the front courtesy light "W1". Of these, 1 microphone (front left microphone "R140") is connected to the used information electronics 1 "J794". The antenna output is located on the telephone holder "R126".

Integrated telephone with Bluetooth interface in the communications electronics control unit 1 "J794" (MMI)

A/m phone with Bluetooth allows additional use of mobile phones with this interface Mobile phone "R54". Mobile phones with Bluetooth "R54" do not necessarily have to be connected to the mount and to the hands-free device of the car. The connection occurs exclusively via the wireless Bluetooth interface. At the same time, it is also possible to read information from the SIM "card" of the mobile phone "R54" (phone book). The car phone with Bluetooth has its own wireless headset "R37" (Bluetooth Handset) with SIM card insert and charging cup. The car telephone with Bluetooth and mobile telephone "R54" can be controlled by means of headset "R37", hands-free device from multifunctional steering wheel, and also via speech dialogue system. Antenna for Bluetooth "R152" is built into control unit of electronic communications 1 "J794". In front ceiling light "W1" microphones of microphone unit of front module of roof "R164" are built. Of them 1 microphone (front left microphone "R140") is connected to used information electronics 1 "J794". Antenna output is located in control unit of electronic communications 1 "J794".

Mobile phone connection kit

There is a connector for the connection kit under the storage compartment in the center console. The microphones of the microphone unit of the front roof module "R164" are built into the front courtesy light "W1". The microphone (front left microphone "R140") is connected via a connector. The connector for the roof antenna "R216" is located on the plug. The Bluetooth hands-free device in the communication electronics control unit 1 "J794" (MMI). Used communication electronics 1 "J794" is installed with the microphone unit in the front roof module "R164" and is used as a hands-free device. The connection to the mobile phone "R54" is made exclusively via Bluetooth. The antenna for Bluetooth "R152" is built into the communication electronics control unit 1 "J794".

Bluetooth Hands-free Device (CAN)

The R36 telephone transceiver with microphone unit in the front roof module R164/Bluetooth antenna R152 is installed and serves exclusively as a hands-free device. The connection with the R54 mobile telephone is made exclusively via Bluetooth. The Bluetooth antenna R152 is connected to the R36 telephone transceiver. Troubleshooting is carried out in the "Guided Fault Finding" mode.

Bluetooth Technology Guidelines

Bluetooth technology uses a standardized radio connection for transmitting data between the transmitter and receiver of the telephone "36" /used communications electronics 1 "J794" and the telephone handset "37" /mobile telephone "R54". Bluetooth technology. In the transmitter and receiver of the telephone "36" /control unit of the communications electronics 1 "J794" there is an additional transmitter and receiver unit. The Bluetooth antenna "R152" connects the transmitter and receiver of the telephone "H36" /control unit of the communications electronics 1 "J794" and the telephone mount "H126" /mobile telephone "R54", and thus the telephone handset "R37" /mobile telephone "R54" can be controlled remotely, i.e. wirelessly. The radio communication range is approx. 10 meters.

Overview of the microphone unit in the front roof module "R164"

The microphone in the front roof module "R164" is integrated into the front interior light "W1". Depending on the kit, up to three microphones can be installed. Of these, 1 microphone (internal microphone "R74") is connected directly to the used digital audio package "J525". The other microphones are connected to the used communication electronics 1 0794-/receiver-transmitter of the telephone "R36".



[The article is a reprint of material from «AUDImanual»]