manual transmission AUDI A4 1996 B5 / 1.G AWM Engine Output Diagnostic Test Mode Workshop Manual

01-64

Activate brake system vacuum pump
1)

1) Only vehicles with automatic transmission

-
Press button

Display on VAS5051:
If the vacuum pump for brake booster does not start up in intervals:
Repair Manual, Brake System, Repair Group 47
A - 12. Actuator in test
12 - Brake system vacuum pump
The vacuum pump for brake booster on right at firewall must start
up in intervals for approx. 1 minute, unless the button is
pressed first to end On Board Diagnostic (OBD).
- Check vacuum pump for brake booster:
Pa
ge 15 of 16 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/22/2002 htt
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