Audi A4 Owners & Service Manuals

Audi A4: Telephone System

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 Overview - Telephone

Overview - Telephone, Bluetooth Hands-Free Calling, 9ZX The Information Electronics Control Module 1 -J794- is installed with the Microphone Unit In Front Roof Module -R164- and is exclusively for

 Component Location Overview - Telephone System

1 - Center Console Storage Compartment Removing and installing. Refer to → Body Interior; Rep. Gr.68; Center Console; Overview - Center Console. 2 - Telephone

 Microphone Unit in Front Roof Module -R164-, Removing and Installing

The Microphone Unit in Front Roof Module -R164- in the Front Interior Lamp -W1- is comprised of the Interior Microphone -R74-, the Left Front Microphone -R140- and the Right Front Microphone -R141-

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 Vehicles with Restrictor, Reservoir and A/C Compressor Regulator Valve -N280- (Externally Regulated A/C Compressor), Checking Pressures

Specified Values for the Refrigerant Circuit Pressures   Note Connect the Air Conditioning (A/C) service station. Refer to → Chapter "A/C Service Station, Connecting". Observe the test requirements. Refer to → Chapter "Pressures, Checking". - With the ignition switched

 A/C Pressure/Temperature Sensor

There are different versions of this sensor with different functions and with different names. For exact name, allocation and notes doe the respective function, refer to → Heating, Ventilation and Air Conditioning; Rep. Gr.87; Refrigerant Circuit; System Overview - Refrigerant C

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