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Home >> Audi >> 2019 >> A4 Titanium >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> AIR CONDITIONING (2 Of 3) >> 87 Air Conditioning >> Component Location Overview - A/C System >> Component Location Overview - Components In Front Vehicle Interior >> Component Location Overview - Components Inside Front Passenger Compartment, Right Side Of Passenger Compartment >> Component Group "1".
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Component Group "1".

GWWA87-12087Courtesy of AUDI OF AMERICA, LLC
  1. Left Center Instrument Panel Vent
  2. Right Center Instrument Panel Vent
  3. Windshield Defroster Vent
  4. Sunlight Photo Sensor -G107-
  5. Wide Vent
  6. Right Side Window Defroster Vent
  7. Right Instrument Panel Vent
  8. Instrument Panel Vent Motor -V562-
    • Equipped on some models, only on vehicles with a "High" A/C system
    • Removing and Installing. Refer to INSTRUMENT PANEL VENT MOTOR -V562-, REMOVING AND INSTALLING .
    • Not installed on Audi Q5
      NOTE:

      The air duct to the wide vent vents are open or closed depending on the setting on the Front A/C Display Control Head -E87- via the Instrument Panel Vent Motor -V562-.

  9. Right Footwell Vent
  10. Right Front Seat
  11. Front A/C Display Control Head -E87-
    • Different versions (for vehicles with a "Low" or "High" A/C system or without an A/C system with or without seat heating/seat ventilation, depending on the production time period and vehicle equipment). Refer to the Parts Information for the allocation.
    • Removing and Installing. Refer to FRONT A/C DISPLAY CONTROL HEAD -E87-, REMOVING AND INSTALLING, A4 AND A5 .
    • To check, use the Vehicle Diagnostic Tester in the "Guided Fault Finding"  function. Refer to the appropriate Wiring Diagram(s).
    • Pay attention to the general information. Refer to GENERAL INFORMATION .
      NOTE:

      This illustration shows the version for a vehicle with a "Low" A/C system. Refer to GENERAL INFORMATION .

      The buttons and knobs have LEDs that cannot be replaced individually.

      The function and indicator lamps in the buttons and in the knobs cannot be replaced separately.

      Pay attention to the correct allocation, coding, and adaptation of the Front A/C Display Control Head -E87- to the Front Information Display Control Head Control Module -J523- /Information Electronics Control Module 1 -J794-. Refer to the Parts Information and use the Vehicle Diagnostic Tester in the "Guided Fault Finding"  function. If the allocation, coding or adaptation are incorrect, the A/C system functions cannot be displayed or selected in the MMI.

      Certain A/C system functions (of the heater without an A/C system) can be switched on and off via the MMI (Multi Media Interface) in the "A/C system" function under the "Car" / "Vehicle" menu. The A/C system control (of the heater) can also be influenced via the presets in the MMI (Multi Media Interface) under the "A/C system" function in the "Car" / "Vehicle" menu. Therefore, check the preset in the MMI first in the case there is a concern with these components. Refer to Infotainment/MMI Owner's Manual.

      Depending on the version of the control modules (Front A/C Display Control Head -E87- and Front Information Display Control Head Control Module -J523-) as well as the production period, additional functions can be switched on and off via these control modules. For more information. Refer to the Operating Instructions and Infotainment/MMI Operating Instructions.

  12. Infrared Sensor
    • Different layout depending on the version of the heating and A/C system. Refer to GENERAL INFORMATION .
    • The infrared sensor for the temperature and sunlight is integrated in the Front A/C Display Control Head -E87- and cannot be replaced separately. Replace. Refer to FRONT A/C DISPLAY CONTROL HEAD -E87-, REMOVING AND INSTALLING, A4 AND A5 .
    • The sensor determines the temperature and sunlight on the Front A/C Display Control Head -E87-. It is permanently installed and cannot be replaced separately.
    • A dirty infrared sensor leads to problems regulating the heating and A/C system. Use the Vehicle Diagnostic Tester in the "Guided Fault Finding"  function.
      NOTE:

      This illustration shows the layout for a vehicle with a "Low" A/C system. Refer to GENERAL INFORMATION .

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