AUDI 2015 A3 Premium, 4D Sedan

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Repair and Diagnosis

Quick Lookups
- Common Specs & Procedures
- DTC Index
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Accessories & Equipment
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Body & Frame
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Brakes
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- Mechanical - Hydraulic
- Parking Brake System
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Drivelines & Axles
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Electrical
- Body Electrical
- Charging Systems
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- Starter
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Engine Mechanical
- Blowers, Superchargers & Turbochargers
- Cooling Fan
- Cooling System (Mechanical)
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Engine Performance
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- Remove, Overhaul & Install
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General Information
- Abbreviations
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- Brakes
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- DTC Index
- Electrical
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- Engine Performance
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Identification
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- OEM General Information
- Reset Procedures
- Specifications Index
- Steering
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- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
Heating, Ventilation & A/C (HVAC)
- A/C Compressor
- General Servicing
- HVAC Control Systems
  - Air Conditioning (Front Heater & A/C Unit)
  - Air Conditioning (Front Heater & A/C Unit) -- (Sedan)
  - Air Conditioning (Overview)
  - Air Conditioning (Overview) -- (Sedan)
  - AIR CONDITIONING R1234yf (A/C SERVICE STATION) -- (SEDAN)
  - AIR CONDITIONING R1234yf (REFRIGERANT CIRCUIT) -- (SEDAN)
  - AIR CONDITIONING R1234yf (TOOLS & TESTING EQUIPMENT) -- (SEDAN)
  - AIR CONDITIONING R134a (GENERAL INFORMATION) -- (SEDAN)
  - AIR CONDITIONING R134a (REFRIGERANT CAPACITIES) -- (SEDAN)
  - AIR CONDITIONING R134a (REFRIGERANT CIRCUIT COMPONENTS) -- (SEDAN)
  - AIR CONDITIONING R134a (REFRIGERANT CIRCUIT) -- (SEDAN)
    - 87 Air Conditioning
      - Warnings When Working On Vehicles With High Voltage System
      - Refrigerant Circuit
      - Refrigerant Circuit Complaints
      - A/C Service Station, Connecting
        General Information
        Service Station, Connecting With Connections On Low- And High Pressure Side Of Refrigerant Circuit
        Service Station, Connecting With No Connection On Low- And High Pressure Side Of Refrigerant Circuit
        General Information
        Service Station, Connecting With A/C Adapter Set: VAG1786 To Refrigerant Circuit
        Service Station, Connecting With A/C Adapter Set - Adapter:VAG1785 To Refrigerant Circuit
        A/C Service Station, Connecting For Measuring And Testing
      - Pressures, Checking
  - AIR CONDITIONING R134a (WARNINGS) -- (SEDAN)
  - Air Conditioning Refrigerant R1234YF Servicing (Refrigerant Circuit)
  - Air Conditioning Refrigerant R1234YF Servicing (Tools & Testing Equipment)
  - Air Conditioning Refrigerant R134A Servicing (General Information)
  - Air Conditioning Refrigerant R134A Servicing (Refrigerant Circuit Components)
  - Air Conditioning Refrigerant R134A Servicing (Refrigerant Circuit)
  - General, Technical Data (HVAC) -- (A3 Sedan)
  - GENERAL, TECHNICAL DATA (R1234yf) -- (A3 SEDAN)
  - General, Technical Data Heating, Ventilation And Air Conditioning
  - General, Technical Data Refrigerant R1234YF Servicing
  - Heating, Ventilation
  - Heating, Ventilation -- (Sedan)
Maintenance
- Procedures
- Schedule
Restraints
- Air Bag, SRS
- Passive Restraints
- Restraints Control Systems
- Seat Belts
Steering
- Manual Steering
- Power Steering
- Steering Column
- Steering Gear
- Steering Linkage
Suspension
- Electronic Suspension
- Front Suspension
- Rear Suspension
- Wheel Alignment
- Wheels & Tire System
Transmission
- Automatic Trans
- Clutch
- Manual Trans
- Transmission Control Systems
External Pages

Manual:AUDI A3 Premium, 4D Sedan 2015Page:33161 / 92758

A/C Service Station, Connecting For Measuring And Testing — 2015 Audi A3 Premium, 4D Sedan Service Manual

A/C Service Station, Connecting For Measuring And Testing

-- On vehicles with a high-voltage system, switch off (deactivate) the "auxiliary climate control" function. Refer to the Owner's Manual and Infotainment/MMI Operating Manual.

-- Switch off the ignition.

-- Connect the A/C service station to the power supply.

-- Assemble adapter set and screw to connection on low-pressure side.

-- Connect the quick-release coupling adapter to the charging hoses of service station (handwheels not screwed in/hand shut-off valve not open).

-- Switch on the service station and evacuate the charging hoses (only necessary if there is air in charging hoses).

-- Switch off the service station.

-- Remove the cap from the service connection/connection with valve (or remove low-pressure switch and bridge respective electrical connections).

-- Connect the service station via the service connections with the quick-release coupling adapters to the vehicle refrigerant circuit.

-- Install the handwheel on the quick-release coupling adapters only until valve is definitely open at refrigerant circuit connection (observe pressure gauge, do not strain valve).

-- Perform the planned tests and measurements.