warning AUDI A6 1996 C5 / 2.G AHA Engine Motronic Ignition System Workshop Manual
Page 11 of 34
28-9
      
-  Press buttons corresponding to following display 
group numbers and press -Q- button to confirm 
input. 
     
 
022: Display group 22, for cylinders 1 and 
2 
     
 023: Display group 23, for cylinders 3 and 
4 
     
 024: Display group 24, for cylinders 5 and 
6 
Read Measuring Value Block 22 1 2 3 4 
    
Indicated on display (1-4   display groups)  
Note:  
The test must be carried out during a road test because the knock sensor 
system is only active with engine speed greater than 2600 RPM and 
engine load greater than 3 ms. 
WARNING! 
A second technician is required to operate the VAG1551 scan tool 
during the road test. Safety precautions   page 24
-9 . 
-  Road test and compare display with specified values for knock sensor 
system in display field 1-4. 
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