Volkswagen Golf 1999 Service Manual page 395

Secondary air system
Basic setting
Input display group number XXX
System in basic setting 77
1 2
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3 4
Indicated on display
- Press keys 0, 7 and 7 for "Display
group number 77" and confirm
entry with Q key.
Note:
The engine must not be loaded
during this diagnosis, if this occurs
the diagnosis will be aborted and will
not start again until the engine is
revved-up.
Indicated on display: (1...4
zones)
If the diagnosis is initiated by the
engine control module the display in
display zone 4 jumps from "Test
OFF" to "Test ON".
Note:
This process can take approx. 40
seconds.
- Leave engine running at idling
speed until display zone 4
displays specification "Syst. OK."..
If "Syst. OK" appears in display zone
4:
- Press
key.
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12/2/2005