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

AFB AFF AFN AHH AHU AJM AKN ATJ AVG
Vehicles with manual gearbox

Requirement for test:

Position of accelerator pedal stop: marking"H" or "HS" must be visible.

Note:

If accelerator position sender -G79 has been removed:

Fit cable cam as shown.

In rest position the continuation of the spanner flat should intersect with the centre of the drilling -arrow-.

Install sender with cable cam already fitted.

Work sequence

Connect the vehicle diagnostic, test and information system VAS 5051 or fault reader V.A.G 1551 and select engine electronics control unit by entering address word "01". When doing this the ignition must be on

=> Diesel direct injection and glow plug system (4-cyl.) ä 06.97; Repair group 01; Self-diagnosis of diesel direct injection system
Diesel direct injection and glow plug system (4-cyl.) ä 06.97
Self-diagnosis of diesel direct injection system

=> TDI injection and glow plug system (4-cyl. ) 07.97 ä 07.99; Repair group 01; Self-diagnosis
TDI injection and glow plug system (4-cyl. ) 07.97 ä 07.99
Self-diagnosis

Rapid data transfer
HELP
Select function XX
Indicated on display:

Enter "08" to select the function "Read measured value block" and confirm entry with Q key.

Read measured value block
Q
Enter display group number XXX
Indicated on display:

Press keys 0, 0 and 2 for "Display group number 002" and confirm entry with Q key.

Read measured value block 2
⇒
1
2
3
4
Indicated on display:
(1...4 = Display zones)

Check display in display zone 2.
Specification: 0.0 % (accelerator not depressed)

Disengage eyelet of operating rod -1- from accelerator pedal -arrow-.
Remove anti-twist retainer (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.
Check display in display zone 3.
Specification:
0 1 0 (accelerator not depressed)
0 0 0 (accelerator depressed)

Fit new anti-twist retainer (cable tie).

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.