Audi A4

since 1994 release

Manual of the car

Audi A4
+ Running gear
+ Regular servicing
+ Engines
- Turbo-supercharging
   Turbocompressor
   Draft switching off valve
   Check of adjustment of pressure of pressurization
   The help at malfunctions
   The turbocompressor is faulty?
   Radiator of nadduvochny air
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics

Check of adjustment of pressure of pressurization

Check of the electromagnetic valve of restriction of pressure of pressurization

PERFORMANCE ORDER

Laying of a hose: in the beginning check whether all hoses are correctly connected to the valve.
Disconnect the valve socket.
Connect an exact ohmmeter to both contacts of the socket of the valve.
The ohmmeter has to show 25–35 Ohms, otherwise the electromagnetic valve of restriction of pressure of pressurization is faulty.
Giving of tension: connect the voltmeter to contact of 1 disconnected socket and to "weight".
Put a starter in action: the voltmeter has to show accumulator tension, conductivity in wires is otherwise broken or the relay of the fuel pump is faulty.

The arrow showed the valve of restriction of pressure of ventilation of a case.

Under the mentioned valve of restriction of pressure you see the following details: 1 – vacuum box of the valve of adjustment of pressure of pressurization; 2 – draft shutdown valve; 3 – electromagnetic valve of restriction of pressure of pressurization.