Volkswagen Golf 1999 Service Manual page 324

Evaporative Emissions (EVAP) system
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...
EVAP system, checking for
leaks
Special tools equipment, testers
V.A.G 1551 Scan Tool (or
vehicle system tester V.A.G
1552) with cable VAG 1551/3
Note:
All functions which could previously
be performed with VAG 1551/1552
can also be performed with the new
tester VAS 5051.
Test conditions
Fuses must be OK.
Battery voltage must be at least
11.5 V.
All electrical consumers, e.g.
lights and rear window defroster
must be switched off.
If the vehicle is equipped with air
conditioning, this must be
switched off.
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