Adjusting accelerator position sender G79 - vehicles with 4-cylinder engine — AUDI

Adjusting
accelerator position sender
G79
- vehicles with 4-cylinder engine
Vehicles with manual gearbox:
Note
Position of accelerator pedal stop: marking
“H”
or
“HS”
must be visible
arrow
.
If
accelerator position sender
G79
has been removed:
Fit cable cam in the position shown.
In its rest position, the continuation of the spanner flat should intersect with the centre of the drilling
arrow
.
Install accelerator position sender with pre-assembled cable cam.
Procedure
Vehicle diagnostic, testing and information system
VAS 5051B
is connected; vehicle self-diagnosis and vehicle system
“01 - Engine electronics”
is selected. When doing this, the ignition must be switched on.
Display on
VAS 5051B
From the list
1
select diagnostic function
“08 - Read measured value block”
.
Display on
VAS 5051B
In zone
2
enter
2
for
“display group 002”
and confirm the entry by pressing the
Q
key.
1
Enter display group
Display on
VAS 5051B
Check value in display zone
2
.
Display zone
Explanatory notes
2
… %
Accelerator pedal not depressed
Specification: 0.0 %
Disengage eyelet of operating rod
1
from accelerator pedal
arrow
.
Remove locating element (cable tie).
Turn threaded collar on operating rod.
Note
The 100 % display should be reached exactly when the pedal contacts the full throttle stop. If 100 % is reached before the pedal contacts the stop, turn back the threaded collar accordingly.
After completing adjustment, carefully engage operating rod on accelerator pedal.
Display on
VAS 5051B
Check value in display zone
3
.
Display zone
Explanatory notes
3
…
Accelerator pedal not depressed
Specification: 0 1 0
Accelerator pedal depressed
Specification: 0 0 0
Fit new locating element (cable tie).
Press the
←
button to exit from the function
“08 - Read measured value block”
.
Press
“06 - End output”
.
Switch off ignition.
Vehicles with automatic gearbox:
The adjustment procedure is the same as for vehicles with manual gearbox, except for the following points:
When making the adjustment, the accelerator pedal stop must first be fitted in the position for vehicles with manual gearbox: Marking
“H”
or
“HS”
must be visible.
With this stop installed, adjust full throttle position in the same way as for vehicles with manual gearbox (readout in display zone
“2”
:
“100 %”
).
After completing the adjustment, install the accelerator pedal stop in the position for vehicles with automatic gearbox
arrows
: Marking
“A”
or
“AG”
must be visible.