Volkswagen Golf 1999 Service Manual page 620

Readiness code
Basic setting
Input display group number XXX
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=...
If "B1 P2 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.
- Read readiness code
DTC memory has been erased or the Motronic
Engine Control Module (ECM) -J220- was
disconnected from battery (B+) positive, the
readiness code must be generated again
Page 01-149 .
If no DTC is stored:
- Check aging of Oxygen Sensor (O2S) after
Three Way Catalytic Converter (TWC)
24-154 .
If "B1 P2 OK." appears in display zone 4:
- Press -C- button.
Work step 11: Oxygen Sensor (O2S)
diagnosis after Three Way Catalytic
Converter (TWC) (operational readiness)
Indicated on display:
- Press buttons -0-, -3- and -6- for "Display group
number 36" and confirm entry with -Q- button.
Página 21 de 37
01-165
, DTC memory, checking
Page 01-146 . If the
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12/2/2005