01-241
Notes on display field 3 and 4:
Value "0" = Diagnosis condition not fulfilled
Value "1" = Diagnosis condition fulfilled X
X
X
X
X
X
X
X
Meaning of 8-digit display "Diagnosis condition 1"
1 = Coolant temperature: 70 - 110 C ( display group 001)
2 = Oxygen sensor heating (all four O2S heaters; display group 040)
3 = Momentary constant drive
4 = No fuel enrichment (during diagnosis no enrichment can occur)
5 = Long-term constant drive
6 = Closed throttle position switch open ( display group 002)
7 = Oxygen sensor control, bank 2 active ( display group 008)
8 = Oxygen sensor control, bank 1 active ( display group 007)
Pa
ge 337 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1
01-264
If, during regeneration of the readiness code, the
trip status display is set to "1" but the
corresponding readiness code display is not set
to "0" the diagnosis was carried out but not
recognized as OK by the ECM.
In this case, DTC memory should be checked for
malfunctions and/or to carry out a selective
diagnosis:
- For three way catalytic convertor diagnosis
(bank 1 and bank 2), also check display groups
035, 036 and 044.
- For EVAP system leak diagnosis, also check
display group 030.
- For heated oxygen sensor diagnosis, also check
display groups 032, 033, 034, 041, 042 and 043.
- For oxygen sensor heating diagnosis, also
check display group 040.
- For Exhaust Gas Recirculation (EGR)
throughput diagnosis, also check display group
017.
Pa
ge 363 of 366 On Board Dia
gnostic
(OBD
) - Multi
port Fuel In
jection
(MFI
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.01.1
