AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide

AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide A3 1998 8L / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/956/w960_956-0.png AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide

Page 11 of 16

AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide 26-39
       Installation location:  
     
       Repair Manual, 1.8 Liter 4-Cyl. 5V Turbo Fuel 
Injection & Ignition, Repair Group 24        
-  Initiate output Diagnostic Test Mode (DTM) and 
activ

Page 12 of 16

AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide 26-40
      
Checking voltage supply of Secondary Air 
Injection (AIR) pump relay  
     
-  Remove Secondary Air Injection (AIR) pump 
relay. 
    
If specified value is not obtained:  -  Connect mul

Page 13 of 16

AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide 26-41
 
    
If specified value is not obtained:  -  Connect multimeter for voltage measurement as follows.3-socket relay carrier in E-box, plenum 
chamber, position 2  
terminal  
Measure to  
  
4

Page 14 of 16

AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide 26-42
      
Checking activation of the Secondary Air 
Injection (AIR) pump relay  
     
-  Switch ignition off.
     
-  Remove Secondary Air Injection (AIR) pump 
relay. 
    
If LED does not blink

Page 15 of 16

AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide 26-43
 
    
If no malfunctions are detected:  
Checking voltage supply of the Secondary Air Injection (AIR) pump 
motor   -  Check the following wire connection for open circuit and short circuit to

Page 16 of 16

AUDI A3 1998 8L / 1.G AEB ATW Engines Secondary Air System User Guide 26-44
       If LED does not light:  
     
-  Perform the following tests marked with dots:
     
Check wire connection from harness 
connector at Secondary Air Injection (AIR) 
pump motor -V101- to
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