01-4
      
Continuously lit: 
      There is a malfunction that causes increased 
emissions. Check DTC memory for Motronic 
ECM and automatic transmission (if installed).  
      Check DTC memory if there is a driveability 
problem or a customer complaint, but the 
Malfunction Indicator Lamp (MIL) is not lit. There 
may be DTCs stored that do not cause the 
exhaust MIL to light up immediately, but only 
after engine is started again and malfunction is 
recognized again.  
     
Blinking: 
      There is a malfunction that causes damage to 
the catalytic converter in this driving condition 
(e.g. combustion misfire). In this case, vehicle 
must only be driven at reduced power!  
     
Note:  
     Catalytic converter must be checked after 
malfunction is repaired. 
Pa
ge 4 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