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Safety measures
 
     
WARNING! 
     
Be alert when working on or near the engine. 
High ignition secondary voltage can cause 
serious personal injury and damage vehicle 
components.  
     
DO NOT touch or disconnect ignition system 
wires when the engine is running or being 
cranked at starting RPM. 
     DO NOT operate the starter if the fuel 
injectors have been removed. 
     
Be sure the ignition is switched OFF, when: 
     Disconnecting ignition wires
     Disconnecting fuel injection system wiring
     Connecting or disconnecting test equipment 
leads 
     Disconnecting the battery
     Washing the engine or engine 
compartment. 
Pa
ge 5 of 8 I
gnition s
ystem, servicin
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11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.28.2 
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CAUTION! 
     
BEFORE disconnecting the battery: 
     
Stop the engine.
     Be sure the ignition is switched OFF (also 
applies when connecting the battery). Failure 
to do so may damage the Engine Control 
Module (ECM). 
     Be sure of the proper radio code (for vehicles 
equipped with coded anti-theft radio). 
     
Be sure the battery negative (-) cable is 
disconnected, when: 
     Working on the electrical system
     Resistance (spot) welding or electric arc 
welding anywhere on the vehicle. 
     
When connecting and disconnecting 
electrical test equipment (LED voltage tester, 
multimeter, etc.): 
     Be sure the ignition is switched OFF.
     Use correct adapters from the VW 1594 
Pa
ge 7 of 8 I
gnition s
ystem, 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.FU01.28.2