R8 Quattro Coupe V10-5.2L (BUJ) (2010)
The brake pedal may no longer be actuated once the test begins.
The brake system vacuum pump (V192) supplies the brake booster with vacuum. At the same time, the control module performs a diagnosis of the
brake booster system.
If the pressure within in the brake booster reaches the cut-off threshold by the time that was predetermined by the diagnostic function, the test has been
passed.
Displayed at the bottom of the screen:
-
Using the Go to button, the operating mode can be interrupted or ended.
If the pressure within in the brake booster does not reach the cut-off threshold by the time that was predetermined by the diagnostic function, the test
has been failed.
Displayed at the bottom of the screen:
-
Perform guided fault finding with the (VAS 5051B) or (VAS 5052).