The following parameters are used to regulate the system: temperature on the deflectors (sensors in the air conditioning system); temperature at the evaporator deflector; outside temperature (via CAN from the control unit, in the instrument cluster) from the sensor in the bumper; cabin temperature from the temperature sensor in the air conditioning control panel and the set temperature value; refrigerant circuit pressure; engine specific data (for example, high coolant temperature, acceleration, idle speed).
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Additional heating system diagram (Audi A2)
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- General information
- Introduction to the guide
- Maintenance
- Engine 1.4 l (gasoline)
- Engine repair
- Lubrication system
- Cooling system
- Exhaust system
- Engine 1.6 l (gasoline)
- Engine repair
- Lubrication system
- Cooling system
- Exhaust system
- Engine 1.2 l (diesel)
- Engine repair
- Lubrication system
- Cooling system
- Injection and turbocharging
- Engine 1.4 l (diesel)
- Engine repair
- Lubrication system
- Cooling system
- Turbocharging system
- Supply system
- Fuel injection system
- Exhaust system
- Transmission
- Mechanical gearbox 02J
- Mechanical gearbox 02T
- Mechanical gearbox 085 DS
- Chassis
- Car suspension
- Steering
- Brake system
- Body
- Exterior
- Interior
- Seats
- Doors, locks and windows
- Safety system
- Heating and air conditioning
- Electrical equipment
- Power devices
- Equipment and devices
- Wipers and washers
- Lighting and lamps
- Breakers and switches
- Electrical circuits