audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Checking brake light switch and brake pedal switch > < Checking accelerator position sender
Motronic Fuel Injection and Ignition System (4-cyl) Turbo
Checking electronic engine power control (electronic throttle)
Adapt kickdown function

If accelerator pedal position sender or engine control unit is replaced kickdown function must be learnt on vehicles with automatic gearbox.

Special tools and workshop equipment required

 
W00-0706
  • ◆ VAS 5051 with VAS 5051/1
  • or
  • ◆ V.A.G 1551 with V.A.G 1551/3 A

Preconditions:

  • ● No fault recorded in fault memory, interrogate fault memory .
  • ● Engine stopped, ignition switched on

Procedure

  • ‒ Connect vehicle diagnostic, testing and information system VAS 5051 or fault reader V.A.G 1551 and select engine electronics control unit with "Address word" 01
    For this purpose, the ignition must be switched on.
 
→ When indicated on display:
Rapid data transfer    HELP
Select function XX
  • ‒ Enter "04" to select "Start basic setting" and confirm with Q key.
 
→ When indicated on display:
Basic setting     Q
Enter display group number XXX
  • ‒ Enter "063" for "display group number 063" and confirm entry with Q key.
 
→ Display readout:
System in basic setting 63    ⇒
    1    2    3    4

Note:

You will now be instructed to: "Confirm kickdown".

  • ‒ Fully depress accelerator pedal beyond kickdown point and keep it pressed.

Note:

During adaption the kick-down point "Kick-down ADP is running" is displayed on V.A.G 1551. After successful adaption of the kick-down point the V.A.G 1551 shows "Kick-down ADP OK".

  • ‒ Check specified value in display zone 4:

Display zones

1

2

3

4

Display group 063: Adapting kickdown function

Display

xx %

xx %

Kickdown

---

Display

Sender 1 for
accelerator pedal position

Learned kickdown value sender 1 for accelerator pedal position

Kickdown

Adaption status

Range

Kickdown

Starting
ADP process running
ADP OK
ERROR

Specified value

79...94 %

79...94 %

Kickdown

ADP OK

Note:

If "ERROR" is displayed: Interrogate fault memory => Page 01-9.

Notes:

  • ◆ "ADP" in display zone 4 stands for adaption.
  • ◆ If "ERROR" can be displayed, if e.g. accelerator pedal is not pressed when instructed by tester, or if accelerator pedal was released while adaption was already running but process was not yet complete.
    In both cases it is necessary to exit the "Basic setting" mode and restart the adaption process afresh .

If specified value "ADP OK" is attained:

  • ‒ Press the ⇒key.
 
→ Display readout (function selection):
Rapid data transfer    HELP
Select function XX

Checking brake light switch and brake pedal switch > < Checking accelerator position sender