01-2
If the ECM recognizes malfunctions that lead to
a worsening of emissions values, it indicates
them by lighting the Malfunction Indicator Lamp
(MIL) -K83- in the instrument cluster. Meaning
of Malfunction Indicator Lamp (MIL) -K83-
Page 01
-3 .
"E-Gas"-relevant malfunctions are also
indicated by the warning lamp for Electronic
Power Control ("EPC warning lamp").
Pa
ge 2 of 19 On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.1
01-6
Function test of warning lamp
- Switch ignition on.
Exhaust MIL must light up
A- Exhaust MIL does not light up
- Connect VAG1598/31 test box at wiring harness
to Engine Control Module (ECM), do not connect
ECM Page 24
-19
.
- Bridge sockets 1 and 47 of test box.
- Switch ignition on.
Warning lamp must light up.
If warning lamp does not light up:
- Switch ignition off.
- Remove instrument cluster:
Repair Manual, Electrical Equipment, Repair
Group 90; Instrument cluster, removing and
Pa
ge 6 of 19 On Board Dia
gnostic
(OBD
)
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.1
