AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual https://www.carmanualsonline.info/img/6/1066/w960_1066-0.png AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual

Page 1 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual 01-56
 
     
Output Diagnostic Test Mode 
(DTM) (function 03) 
     
Notes:  
     
Output Diagnostic Test Mode (DTM) is only 
possible with engine idle and ignition switched 
on. 
     Output Diagno

Page 2 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual 01-57
       Output Diagnostic Test Mode (DTM) activates 
the following components in the specified 
sequence:  
     
Activation sequence  
1   Evaporative Emission (EVAP) canister purge 
regulator v

Page 3 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual 01-58
      
Test requirement:  
     
Fuses for engine electronics OK 
     
Test sequence  
     
-  Connect VAS5051 tester or VAG1551 scan tool 
and select the control module for engine 
electronic

Page 4 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual 01-59
 
Output Diagnostic Test Mode EVAP canister pur
ge re
gulator valve -N80
    
Indicated on display:  
If valve is not activated (does not click):  
Activating the Secondary Air Injection (AIR) s

Page 5 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual - 
Press button.
Pa
ge 5 of 12 Out
put Dia
gnostic Test Mode 
(DTM
) (function 03
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.01.3

Page 6 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual 01-60
 
Output Diagnostic Test Mode Secondar
y air in
jection pump rela
y -J299
    
Indicated on display:  
If the Secondary Air Injection (AIR) pump motor -V101- does not run in 
intervals:  
 Repai

Page 7 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual 01-61
      
Activating camshaft adjustment valves  
     
- 
Press button.Output Diagnostic Test Mode Camshaft ad
justment 1
    
Indicated on display:  
If valves are not activated (do not click).

Page 8 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual 01-62
      
Note:  
     The click can be heard by listening near the rear 
left wheelhousing. 
      If valve is not activated (does not click):  
     
       Repair Manual, Fuel Supply System, Rep

Page 9 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual If injector does not click:  
-  Check fuel injectors   Page 24
-36
 .
Pa
ge 9 of 12 Out
put Dia
gnostic Test Mode 
(DTM
) (function 03
)
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action

Page 10 of 12

AUDI A4 1996 B5 / 1.G ATQ Engine Output Diagnostic Test Mode Workshop Manual 01-63
      
- 
Press button.Output Diagnostic Test Mode Cyl. 4 fuel injector -N33
    
Indicated on display:  
- 
Press button.
Output Diagnostic Test Mode Cyl. 4 fuel in
jector -N33
    
Indicated o
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