AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owner's Manual

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owner's Manual A4 1996 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1060/w960_1060-0.png AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owner's Manual
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Page 21 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-148
 
  
Angle sensor -1- for throttle drive, 
checking
 
Special Tools and Equipment  
 
VAG1526A
 VAG1594A
 VAG1598/31
 VAS5051 with VAG5051/1
- or 
 VAG1551 with VAG1551/3B
Pa
ge 21 of 41 Electr

Page 22 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-149
       Angle sensor 1 for throttle drive (power 
accelerator actuation) -G187- and angle sensor 1 
for throttle drive (power accelerator actuation) -
G188- inform the Engine Control Module (ECM

Page 23 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-150
 
  
Display fields  
  
1   2   3   4  
Display group 062: E-Gas potentiometer voltages  
Display  
xx %  
xx %   xx %   xx %  
Indicated  
Throttle valve angle  
(angle sensor 1)  Throttle va

Page 24 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual not be used completely during this.  
      Percent indication in display field 2 must 
decrease uniformly. The tolerance range of 97 to 
3% will not be used completely during this.  
Pa
ge 24 of 41 E

Page 25 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-151
      
Notes:  
     
The reason why the value indicated in display 
field 1 climbs, while the value indicated in 
display field 2 decreases, has to do with the fact 
that the potentiometers (a

Page 26 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-152
      
Check voltage supply throttle valve control 
module  
     
-  Pull connector (2) off throttle valve control 
module. 
     
-  Switch ignition on.
    
If specified values are not obtai

Page 27 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-153
      
Checking wire connections  
    
If no malfunctions are found in wires:  -  Pull connector (2) off throttle valve control module.
-  Connect VAG1598/31 test box at wiring harness to ECM,

Page 28 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-154
 
  
Throttle Position (TP) sensor, checking
 
Special Tools and Equipment  
 
VAG1526A
 VAG1594A
 VAG1598/31
 VAS5051 with VAG5051/1
- or 
 VAG1551 with VAG1551/3B
Pa
ge 28 of 41 Electronic en

Page 29 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-155
       Both the Throttle Position (TP) sensor -G79- and 
the Sender -2- for accelerator pedal position -
G185- are located at the accelerator pedal and 
communicate the drivers intentions to t

Page 30 of 41

AUDI A4 1996 B5 / 1.G ATQ Engine Electronic Engine Power Control Checking Owners Manual 24-156
 
  
Display fields  
  
1   2   3   4  
Display group 062: E-Gas potentiometer voltages  
Display   xx %   xx %  
xx %  
xx %  
Indicated  Throttle valve angle  
(angle sensor 1)  Throttle val
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