instrument cluster AUDI A4 1995 B5 / 1.G Radio OBD Workshop Manual
Page 13 of 34
01-12
 
DTC  
Possible cause  
Corrective action  
VAG1551 Scan Tool 
display       
00854        
Output Radio Display 
Dash Panel Insert  
 
No signal 
Open circuit in wiring
 Instrument cluster 
combination processor faulty  Electrical Wiring Diagrams, Troubleshooting & 
Component Locations   
 Repair Manual, Electrical Equipment, Repair Group 90; 
removing and installing instrument cluster
    - Trace malfunction using wiring diagram.
- Replace faulty instrument cluster.
00855        
Connection to CD 
Changer  
 
No signal 
Open circuit in wiring
 Voltage supply to CD changer 
unit interrupted 
 CD changer unit -R41- faulty Electrical Wiring Diagrams, Troubleshooting & 
Component Locations    - Trace malfunction using wiring diagram.
- Check voltage supply to CD changer unit using wiring 
diagram. 
- Replace CD changer unit.
Pa
ge 13 of 34 Radio, On Board Dia
gnostic 
(OBD
) (m.
y. 1998 [micro]
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.1 
Page 16 of 34
01-15
      
Note:  
     Any malfunctions (e.g. short circuits) that occur 
will be recorded as DTCs in DTC memory. 
     
- 
Press  button.Output Diagnostic Test Mode Outlet Radio displa
y instrument panel insert
    
Indicated on display  
"DISPLAY ... TEST" will appear on the secondary display in the 
instrument cluster.  
- 
Press  button.
Output Diagnostic Test Mode End
    
Indicated on display  
- 
Press   button (returns scan tool to "Select function XX" prompt).
Rapid data transfer 
HELP
Select function XX
    
Indicated on display  
Pa
ge 16 of 34 Radio, On Board Dia
gnostic 
(OBD
) (m.
y. 1998 [micro]
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.1 
Page 28 of 34
4 = Telephone mute input status  
005   1 = CD connection  
2 = CD connection status  
006   1 = Secondary display (in 
instrument cluster)  
2 = Secondary display status  
Pa
ge 28 of 34 Radio, On Board Dia
gnostic 
(OBD
) (m.
y. 1998 [micro]
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.1 
Page 34 of 34
01-32
 Display group 006  
        
   Read Measuring Value Block 6  
  
 Indicated on display  
  
   Ext. Displ.   OK              
  
     
           
  
     
  
     
  
      Condition of secondary display  
OK Not OK   
  
  
Secondary display (in instrument cluster)     
        
Pa
ge 34 of 34 Radio, On Board Dia
gnostic 
(OBD
) (m.
y. 1998 [micro]
)
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.EE02.01.1