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Overview - Telephone, Through 11/03/2008

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The telephone system consists of the following components:

The Telephone Transceiver -R36- is integrated in the MMI infotainment system via the CAN/MOST bus. It also has a Bluetooth Antenna -R152-.

The Telephone Baseplate -R126- is installed in the center console. The operation is performed via the Multimedia System Control Head -E380- (MOST), the Radio -R- (CAN) or via the Cellular Telephone -R54-.

The microphones for the Microphone Unit In Front Roof Module -R164- are integrated in the Front Interior Lamp -W1-. One microphone is connected (Telephone Microphone -R38-) with the Telephone Transceiver -R36-.

Fig 1: Cellular Phone Preparation, Layout
GWWA91-10106Courtesy of AUDI OF AMERICA, LLC
  1. Telephone Baseplate - R126- with Cellular Telephone -R54-
  2. Front Information Display Control Head -J685- in Center of the Instrument Panel
  3. Front Information Display Control Head Control Module -J523- Inside the Glove Compartment on the Left Side (MMI basic)/Behind the Instrument Panel (MMI)
  4. Multimedia System Control Head -E380- in the Front of the Center Console
  5. Data Bus On Board Diagnostic Interface -J533- Behind the Glove Compartment On the Left Side
  6. Instrument Cluster Control Module -J285- in the Instrument Panel
  7. Steering Column Electronics Control Module -J527- on Steering Column at Steering Column Switch
  8. Multifunction Steering Wheel
  9. Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1-
  10. Digital Sound System Control Module -J525- Behind the Luggage Compartment Left Side Trim
  11. Sound Systems
  12. Telephone Transceiver -R36- Under the Front Passenger Seat
  13. Microphone Unit in Front Roof Module -R164- (Telephone Microphone -R38-) in the Front Interior Lamp -W1-
  14. Cellular Telephone Amplifier -R86- Behind the Right Luggage Compartment Side Trim Panel
  15. Bluetooth Antenna -R152- at Telephone Transceiver -R36-
  16. Radio/Telephone/Navigation System Antenna -R52-

The Bluetooth car phone also supports the operation of Bluetooth cell phones. The Bluetooth cellular telephone must not be incorporated into a base plate and not into the vehicle hands-free equipment.

The Bluetooth link is the only means of connecting the cell phone. The Cellular Telephone -R54- SIM card (directory) can also be read out.

The Bluetooth car phone has its own handset (Bluetooth handset) with SIM card slide-in and charging cradle.

The Bluetooth car phone and Cellular Telephone -R54- controls can be operated via the Bluetooth handset, hands-free equipment with multi-function steering wheel or via the voice recognition system.

The Telephone Transceiver -R36- is integrated in the MMI infotainment system via the MOST bus.

The microphones for the Microphone Unit In Front Roof Module -R164- are integrated in the Front Interior Lamp -W1-. One microphone is connected (Telephone Microphone -R38-) with the Telephone Transceiver -R36-.

Fig 2: Bluetooth Car Phone, Layout
GWWA91-10514Courtesy of AUDI OF AMERICA, LLC
  1. Front Information Display Control Head -J685- in Center of the Instrument Panel
  2. Front Information Display Control Head Control Module -J523- Inside the Glove Compartment on the Left Side (MMI basic)/Behind the Instrument Panel (MMI)
  3. Multimedia System Control Head -E380- in the Front of the Center Console
  4. Data Bus On Board Diagnostic Interface -J533- Behind the Glove Compartment On the Left Side
  5. Instrument Cluster Control Module -J285- in the Instrument Panel
  6. Steering Column Electronics Control Module -J527- on Steering Column at Steering Column Switch
  7. Multifunction Steering Wheel
  8. Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1-
  9. Digital Sound System Control Module -J525- Behind the Luggage Compartment Left Side Trim
  10. Sound Systems
  11. Telephone Transceiver -R36- Under the Front Passenger Seat
  12. Microphone Unit in Front Roof Module -R164- (Telephone Microphone -R38-) in the Front Interior Lamp -W1-
  13. Radio/Telephone/Navigation System Antenna -R52-
  14. Bluetooth Antenna -R152- at Telephone Transceiver -R36-
  15. Cellular Telephone -R54-
  16. Telephone Baseplate -R126- with Telephone Handset -R37-

The preliminary setup connector is located under the storage bin in the center console.

The microphones for the Microphone Unit In Front Roof Module -R164- are integrated in the Front Interior Lamp -W1-. A microphone (Telephone Microphone -R38-) is connected to the connector.

The Radio/Telephone/Navigation System Antenna -R52- (roof antenna) connection is located on the connector.

Fig 3: Cell Phone Preparation Preliminary Setup Overview
GWWA91-10730Courtesy of AUDI OF AMERICA, LLC
  1. Radio/Telephone/Navigation System Antenna -R52-
  2. Microphone Unit in Front Roof Module - R164- in the Front Interior Lamp -W1-
  3. Radio -R- /Digital Sound System Control Module -J525-
  4. Sound Systems
  5. Terminal 15
  6. Terminal 30
  7. Terminal 31
  8. 18-Pin Connector - T18a- in the Rear Center Console

Fault finding is performed via "Guided Fault Finding  " see Vehicle Diagnostic Tester.

Notes on Bluetooth technology

A standardized radio connection system is used to transmit data between Telephone Transceiver -R36- and Telephone Handset -R37- /Cellular Telephone -R54- - Bluetooth technology.

An additional transmitter/receiver unit is installed in the Telephone Transceiver -R36-. A separate Bluetooth Antenna -R152- connects the Telephone Transceiver -R36- and Telephone Baseplate -R126- /Cellular Telephone -R54- so that the Telephone Handset -R37- /Cellular Telephone -R54- can be operated wirelessly.

The range of the radio connection is approximately 10 m.

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