Contents Wiring diagrams Section: On Board Diagnostic ( OBD) - 3.7l & 4.2l v8 (aew, Abz) All sections

Basic Setting, (scan tool function 04) Audi A8 D2

Basic Setting, (scan tool function 04)

  1. Disconnecting the battery or the Engine Control Module (ECM) harness connector will erase all learned and adapted values stored in the ECM.
  2. Do not initiate basic setting when a DTC that affects oxygen sensor (O2S) operation is stored in DTC memory (does not apply to DTCs shown as "sporadic").
  3. In the initial learning phase after establishing basic setting, engine idle and driveability may be affected. In this case, let the engine run at idle for a few minutes until the learning process is completed.
  4. All values indicated in "Read Measuring Value Block" (scan tool function 08) remain unaffected.
  5. Display group 000 shows values in decimal form. After "Basic Setting" (scan tool function 04) is entered, the ECM carries out the following operations
  6. Evaporative Emissions (EVAP) canister purge regulator valve is closed.
  7. Learning values for Oxygen Sensor (O2S) control are reestablished.
  1. Engine temperature at least 85 ° C (185 ° F)
  2. All electrical consumers switched off
  3. A/C system switched off
  4. Do not operate accelerator pedal
  5. No malfunctions stored in DTC memory