First read and observe the introductory information
and safety warnings
The immobilizer helps to prevent the engine from being started and driven with an unauthorised vehicle key.
There is a chip in the key. It automatically deactivates the immobilizer when the vehicle key is inserted into the ignition lock.
The electronic immobilizer is automatically activated when the vehicle key is removed from the ignition lock.
The engine can only be started using a genuine Volkswagen vehicle key with the correct code. Coded vehicle keys are available from a Volkswagen dealership .
If a non-authorised vehicle key has been used, the display in the instrument cluster will show Immobilizer active!. The vehicle cannot be used if this occurs.
The vehicle cannot be operated properly if you do not have a genuine Volkswagen key.
Refrigerant Circuit with Expansion Valve
A-Low pressure side of refrigerant circuit.
B-High pressure side of refrigerant circuit.
Component
Aggregate State of Refrigerant
Pressure bar (psi) Positive Pressure
Temperature
...
Replacing Reservoir, No Contaminants, No Loss of Refrigerant
Discharge the refrigerant circuit.
–
Replace the restrictor depending on the vehicle.
–
Remove receiver or accumulator.
–
Remove dirt from receiver or res ...
Searching for Refrigerant Circuit Leaks with Compressed Air or Nitrogen
Note
This repair manual describes different methods for detecting
leaks in the refrigerant circuit. These methods have been tested
and result in success when used correctly.
If when searching for compressed air / Nit ...