AUX AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure Leak Test Workshop Manual

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure Leak Test Workshop Manual A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/937/w960_937-0.png AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure Leak Test Workshop Manual

Page 17 of 34

AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure Leak Test Workshop Manual 21-28
 
    
-  Connect auxiliary hose to valve connector marked with an arrow.
-  Initiate output Diagnostic Test Mode (DTM) and activate recirculating 
valve for turbocharger -N249-. 
Output Diagnos

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AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure Leak Test Workshop Manual 21-34
      
Test requirements:  
     
Vehicle diagnostic, testing and information 
system VAS 5051 or VAG 1551 Scan Tool 
connected. 
     
Test sequence  
     
Note:  
     The Wastegate Bypass Re

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AUDI A4 1999 B5 / 1.G AWM Engine Charge Pressure Leak Test Workshop Manual 21-35
 
Output Diagnostic Test Mode -N75- waste
gate b
ypass re
gulator valve
    
Display  
If the injector does not click:  
If valve does not open or close properly:  
Checking internal resistance