technical data AUDI A4 1998 B5 / 1.G AWM Engine On Board Diagnostic Workshop Manual
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On Board Diagnostic (OBD) 
     
On Board Diagnostic (OBD), technical 
data
 
     
Equipment  
     
Data is transmitted between the control module 
and the VAS5051 tester or VAG1551 Scan Tool 
(ST) via operating mode "On Board Diagnostic 
(OBD)". 
     DTC memory is designed for permanent 
memory and is therefore not dependent on 
voltage supply. 
     Display of stored DTCs occurs after initiation of 
display mode   Page 01
-12
 . 
     
DTC memory must be erased after malfunction 
is repaired   Page 01
-12
 . 
     
Important:  
     
Readiness code must be re-generated after 
every time DTC memory is erased   Page 01
-
84
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