2001 Audi A8L Quattro Sedan (4D8) V8-4.2L (AKB)FACTORY OEM SERVICE PROCEDURE

Basic Setting (Function 04)




Basic Setting

With the ignition ON and engine not running, the following operation can be performed in the "Basic setting" mode (function 04):

- Adaptation of throttle valve control module to Engine Control Module (ECM) See Display Group 60

With the engine running, the following operations can be performed in the basic setting mode "Function 04":
- Learning process (adaptation) for oxygen sensor control
- Troubleshooting by targeted activation and deactivation of oxygen sensor control.

Test requirements for operations with engine running
- No DTCs stored in DTC memory
- Coolant temperature at least 85 °C
- Electrical consumers switched off (radiator fan must not run during test)
- A/C switched off
- Gear selector lever in P or N position
- Wheels in straight-ahead position

- Connect vehicle diagnostic, testing and information system VAS5051 or VAG1551 scan tool and select engine electronics control module by entering address word "01". Connecting VAS 5051 Scan Tool
When doing this the engine must be idling.
- Check and erase DTC memory. There should be no malfunctions stored in the DTC memory. (If necessary repair malfunctions, erase DTC memory and switch off engine. Start engine again, road test the vehicle and check DTC memory again to check).
- Leave engine idling.

Indicated on display


Rapid data transfer HELP
Select function XX



- Press buttons -0- and -4- to select function "Basic Setting" and confirm entry by pressing -Q- button.

Indicated on display


System in Basic Setting
Input display group number XXX



- Select required display group number from the Display Group Overview in "Read Measuring Value Block" section.


NOTE: Display Group 000 is used here as an example to illustrate the procedure.


- Press buttons -0- three times.

(000 is to select Display Group 000)


NOTE: When the display group is selected the EVAP valve is closed and the air conditioner compressor is switched off.


Indicated on display


System in Basic Setting Q
Input display group number 000



- Confirm entry by pressing -Q- button.

Indicated on display


System in basic setting 0 ->
1 2 3 4 5 6 1 8 9 10



Display Group 000 (decimal readouts)


Display Group 000:

Factory service manual diagram





- Allow engine to idle for a few minutes; coolant temperature at least 85 °C (185 °F) (at least 180 in display field 1)


NOTE:
- When the PRINT button is pressed the current display will be printed out.
- Press C button before selecting further display groups.


- If readouts in all display fields match specifications, press -> button.

Indicated on display


Rapid data transfer HELP
Select function XX



- Press buttons -0- and -6- to select function "End Output" and confirm entry with -Q- button.

Indicated on display


Rapid data transfer HELP
Select function XX


Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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