Volkswagen Golf 1999 Service Manual page 586

Readiness code
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...
Only continue with the test when:
The Three Way Catalytic Converter (TWC)
temperature is above 380 C (display zone
2).
- Depress brake pedal and accelerator down and
hold until display in display zone 4 jumps from
"Test OFF" to "Test ON".
Note:
This process can take approx. 80 seconds.
- Depress and hold brake pedal and accelerator
until display zone 4 displays specification "Cat.
B1 OK.".
- Release brake and accelerator pedals.
If "CatB1 n.OK." appears in display zone 4:
- Press
button.
- Check DTC memory, repair Diagnostic Trouble
Codes (DTCs) if necessary and then erase DTC
memory Page 01-23
and erasing.
Página 24 de 37
, DTC memory, checking
12/2/2005
01-168