lock AUDI A4 1997 B5 / 1.G APB Engine Electronic Engine Power Control Checking Workshop Manual
[x] Cancel search | Manufacturer: AUDI, Model Year: 1997, Model line: A4, Model: AUDI A4 1997 B5 / 1.GPages: 39, PDF Size: 0.16 MB
Page 20 of 39

24-153
      
Angle sensor -1- for throttle drive 
(power accelerator actuation) -G187- 
and angle sensor -2- for throttle drive 
(power accelerator actuation) -G188, 
checking
 
      The angle sensor -1- for throttle drive (power 
accelerator actuation) -G187 and angle sensor -
2- for throttle drive (power accelerator actuation) 
-G188 inform the engine control module of the 
position of the throttle valve. Both angle sensors 
are located in the throttle valve control module.  
     
-  Connect vehicle diagnostic, testing and 
information system VAS 5051 or VAG1551 scan 
tool and select engine electronics control 
module by entering address word "01"   Page 
01
-9 . When doing this the ignition must be 
switched on. 
Rapid data transfer 
HELP
Select function XX
    
Indicated on display  
-  Press buttons -0- and -8- to select function "Read Measuring Value 
Block" and confirm entry with -Q- button. 
Read Measurin
g Value Block 
Q
Input displa
y group number 
XXX
    
Indicated on display  
-  Press buttons -0-, -6- and -2- to select "display group number 062" and 
confirm entry with -Q- button. 
Pa
ge 20 of 39 Electronic En
gine Power Control 
(EPC
), checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.4 
Page 21 of 39

24-154
 Note: 
The engine control module converts the voltage readings from the angle sensors into percentages of 5 V and displays them as percentages. (A signal wire voltage of 5 V is equivalent to 100%.) Read Measuring Value Block 62  
1 
2 
3 
4
    
Indicated on display  
-  Check specified display values for electronic throttle potentiometer 
voltages. 
  
Display fields  
  
1   2   3   4  
Display Group 062: Electronic throttle potentiometer voltages  
Display  
xx %  
xx %   xx %   xx %  
Indicates  
Throttle valve angle  
(angle sensor 1)  Throttle valve angle  
(angle sensor 2)  Accelerator position  
sensor 1  Accelerator position  
sensor 2  
Work Range  
min.: 0 %  
max.: 100 %  min.: 0 %  
max.: 100 %  min.: 0 %  
max.: 100 %  min.: 0 %  
max.: 100 %  
Specified value  
3 - 93 %  
(Idle value: 8 - 18%)  97 - 3 %  
(Idle value: 80 - 90%)  12 - 97 %   4 - 49 %  -  Observe display fields 1 and 2. 
-  Slowly depress accelerator pedal to full throttle position.
Pa
ge 21 of 39 Electronic En
gine Power Control 
(EPC
), checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.4 
Page 27 of 39

24-160
 
Rapid data transfer 
HELP
Select function XX
    
Indicated on display  
-  Press buttons -0- and -8- to select function "Read Measuring Value 
Block" and confirm entry with -Q- button. 
Read Measuring Value Block 
Q
Input displa
y group number 
XXX
    
Indicated on display  
-  Press buttons -0-, -6- and -2- to select "display group number 062" and 
confirm entry with -Q- button. 
Read Measuring Value Block 62  
1 
2 
3 
4
    
Indicated on display  
-  Observe specification for electronic throttle potentiometer voltages.
Pa
ge 27 of 39 Electronic En
gine Power Control 
(EPC
), checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.24.4