A4 Quattro Wagon L4-2.0L Turbo (BPG) (2005)
Vacuum Pump: Component Tests and General Diagnostics
Performing Final Control Diagnosis
Performing final control diagnosis
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Connect scan tool and select function "engine electronics".
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Press key.
Indicated on display (function selection):
Vehicle system - test HELP Select function XX
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Press keys 0 and 3 for Final control diagnosis and confirm the entry with the Q key.
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Press the key until the following text appears:
Indicated on display (function selection):
Final control diagnosis Actuation of vacuum pump for brake system
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Confirm entry with the Q key.
The electric vacuum pump should now run for approximately 10 sec.
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Remove diagnosis lead from diagnostic connection.