AUDI A4 1997 B5 / 1.G Ignition Switch Lock Cylinder Workshop Manual
Page 1 of 7
94-41
 
     
Ignition switch lock cylinder, 
servicing 
     
Steering lock cylinder - ignition switch 
removing and installing
 
     
CAUTION! 
     
Disconnect the battery Ground (GND) strap 
before working on the electrical system. 
     
Notes:  
     
Before disconnecting the battery determine the 
correct coding for the anti-theft radio. 
     After reconnecting the battery, check and 
activate the vehicle's electrical equipment 
(radio, clock, comfort and convenience 
features, etc.) as outlined in this Repair Manual 
or the Owner's Manual. 
     
Notes:  
     For removing, the lock cylinder, always use the 
spare key or shop key with the flat plastic 
handle. 
     The master key equipped with a light and/or 
remote control transmitter in its handle is 
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Page 2 of 7
unsuitable for removal because the keys broad 
handle covers an access hole in the lock 
cylinder. 
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94-42
      
Removing  
     
-  Remove driver's-side airbag unit and steering 
wheel. 
     
       Repair Manual, Body Interior, Repair Group 
69
   
    
-  Remove steering column switches   Page 94
-37
 .
-  Insert spare or shop key and switch ignition on: access hole will appear 
in front of switch next to ignition key slot. 
    
Installing   -  Insert length of steel wire or small screwdriver (approx. 2 mm dia.) as 
far as it will go, as illustrated, and pull lock cylinder out of steering lock 
housing in direction of arrow. 
-  Ignition switch must be in "ignition on" position.
- 
Push lock cylinder with ignition key all way into steering lock housing 
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and press in firmly until catch engages audibly. 
-  Install steering column switches and steering wheel.
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94-43
      
Ignition switch, removing and installing
 
     
Removing  
     
Note:  
     It is not necessary to remove the lock cylinder. 
     
-  Disconnect battery Ground (GND) strap.
     
-  Remove driver's-side airbag unit and steering 
wheel. 
     
       Repair Manual, Body Interior, Repair Group 
69
   
     
-  Remove steering column switche   Page 94
-
37
 . 
     
-  Disconnect harness connector from 
ignition/starter switch. 
    
Installing   -  Remove sealing paint from threads of screws -A-.
-  Loosen two screws (arrows -A-) slightly and pull ignition/starter switch 
out of housing in direction indicated (arrow). 
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Notes: 
The ignition switch and lock cylinder must be in the same position, e.g. 
"Ignition on" when installing. After installing, seal the screws again with pain.
-  Install in reverse order of removal.
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94-44
      
Ignition switch, terminal assignments
 
    
15 - Terminal 15 
30 - Terminal 30 
50 - Terminal 50 
50b-Terminal 50b
75 - Terminal 75 
86s- Terminal 86s
P - Park
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pair&id=AUDI.B5.EE01.94.10