24-2
      
CAUTION! 
     
To operate the engine at starter speed 
without actually starting it (for example, in 
order to test compression), unplug the 
connectors from the output stages for the 
ignition coils and also the connectors on the 
injectors. 
     During some of the tests the control module 
may identify and record malfunctions. The 
DTC memory should therefore be checked 
and (if necessary) erased after completing 
the tests and any repair work that may be 
required. After erasing DTC memory 
generate new readiness code   Page 01
-
105
 . 
     
Always switch off the ignition before 
cleaning the engine. 
     Always switch off the ignition before 
connecting or disconnecting the battery, 
otherwise the engine control module may be 
damaged. 
     Be sure of proper radio code (for vehicles 
equipped with coded anti-theft radio) 
     
Be sure the battery negative (-) cable is 
Pa
ge 3 of 90 Motronic Multi
port Fuel In
jection 
(MFI
) system, servicin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.1