This function is used to raise or lower the pressure in the central pressure unit.
Lower the pressure to approximately 3 bar before replacing the central pressure unit.
The maximum authorised pressure in the central pressure unit is 18 bar.
The compressor should not be run for longer than 30 seconds, to prevent compressor lock-up (overheating). Activation is not possible if the compressor is locked up. Allow the compressor to cool if it is locked up.
Test conditions:
Ignition on.
Battery voltage above 12 V. Battery charger recommended.
No faults in the system.
Procedure:
Start the function.
Choose whether to raise or lower the pressure in the central pressure unit.
Use the activation buttons to confirm your choice.
A correct reading can be made approximately 10 seconds after activation.
Stop the function and disconnect the diagnostic tool before working on the vehicle.