wheel AUDI A4 1998 B5 / 1.G AWM Engine Output Diagnostic Test Mode Workshop Manual

01-59

Activating Leak Detection Pump (diagnostic
pump for tank ventilation system)

-
Press button

Display on VAS5051:
Note:
The click can be heard by listening near the rear left wheelhousing.
If valve is not activated (does not click):
Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine
Code(s): AWM, Repair Group 20; components of the EVAP canister system, servicing; Leak Detection Pump (LDP)
-V144
-, checking.
A - 6. Actuator in test
6 - Leak Detection Pump (LDP) tank ventilation system
Th change-over valve in the LDP is activated for approximately 1
minute (clicks), unless button is pressed first to switch to the
next actuator.
Pa
ge 10 of 16 Out
put Dia
gnostic Test Mode
(DTM
) (function 03
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.3