bulb AUDI A4 1998 B5 / 1.G AC System On Board Diagnostic Workshop Manual
Page 72 of 91
01-51
 
VAG1551 scan tool display  
Specified function  
Corrective action  
Segment test  
- All segments of A/C control head -
E87- are switched on and off every 3 
seconds - Replace bulbs   page 87
-126
 - Replace -E87-
Outside Air Temperature 
Display G106 in Auto Check 
System1)  - Temperature display in Auto Check 
System1) begins counting up at 3 
second intervals - Test wiring/connections between -E87- and 
G106 for open circuit or short circuit using wiring 
diagram 
- Test positive and ground connections to G106 
for open circuit using wiring diagram 
- Test Auto Check System1)
- Replace -E87-
1) If equipped. 
Pa
ge 72 of 91 A/C s
ystem, 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.HA01.01.1