Audi A4: Refrigerant Circuit General Information
Audi A4 (B9) 2016-2026 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit General Information
- Vehicles with a High Voltage System (Hybrid Vehicles)
- Refrigerant Circuit Components Allocation, High and Low Pressure Sides
- Refrigerant Circuit
- Connections for Quick-Release Coupling on Refrigerant Circuit
- Switches and Sensors on Refrigerant Circuit and Connections
- Refrigerant Circuit Pressures and Temperatures
- Pressure Gauge, Tests and Measurements
- Service and Recycling Units
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Vehicles with a High Voltage System (Hybrid Vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- Individuals with electronic/medical life- and health su
General Information
High pressure side are the condenser, receiver/dryer and
restrictor or expansion valve to separate the high and low
pressure liquid ends.
High pressure results from the restrictor or expansion valve
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Menus and symbols
Fig. 15 MMI: center display
Overview screen
Displays selected information tiles and provides quick access to
certain functions
Quick access bar
Return to the home screen or the overview page, open menus quickly
Display area
Select a menu, apply settings, display content
F
Raising the vehicle
Applies to: vehicles with vehicle jack
Fig. 174 Sill panels: markings
Fig. 175 Sill: positioning the vehicle jack
Place the vehicle jack from the vehicle tool kit
on a firm surface. Use a flat, stable support if
necessary. On a slippery surface such as tile,
you should use a non-slip pad such
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