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Home >> Porsche >> 2021 >> 718 Boxster S, Automatic DCT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (24 Fuel System - Electronic Injection 2.0L -- 982 - BOXSTER/CAYMAN) >> WM, 247055 - Replacing DME Control Unit >> Subsequent Work

Subsequent Work

WARNING: This page is about a different variant/trim than selected.

Only for vehicles with petrol particle filter 

  1. Carry out particle filter regeneration.

    > Refer to Regenerating particle filter

    All vehicles 

    Information 

    • After removing, installing or replacing, perform the "Sensor wheel adaptation" function using the PIWIS Tester. 
    • To actively teach the adaptation, perform an adaptation drive together with another person. 
  2. Reset sensor wheel adaptation:
    1. 2.1 Connect PIWIS Tester  to the vehicle.
    2. 2.2 Select Engine electronics (DME) control unit  .
    3. 2.3 Select Maintenance/repairs  tab
    4. 2.4 Perform Sensor wheel adaptation reset  .
    5. 2.5 Follow the instructions on the PIWIS Tester  .

    All 982 vehicles with 4 cylinders 

  3. Perform sensor wheel adaptation with an adaptation drive  .
    1. 3.1 Get a second person to check the PIWIS Tester  while you are driving.
    2. 3.2 Select Engine electronics (DME) control unit  .
    3. 3.3 Select the "Actual values/input signals  " tab.
    4. 3.4 Select the group "General  ".
    5. 3.5 Select the actual value "Engine speed  ".
    6. 3.6 Select the "M_Misfiring  " group.
    7. 3.7 Select the actual value "M090_Sensor wheel adaptation  ".

      Value "1" = adapted and (value "0" = not adapted).

    8. 3.8 Select the "Misfiring  " group.
    9. 3.9 All 982 vehicles with 4 cylinders 

      Perform sensor wheel adaptation with an adaptation drive  .

      1. 3.9.1 Note the actual value "Segment adaptation for rough running, status  ".

        Value "0" = adapted and (value "2" = not adapted)

      2. 3.9.2 Restore combustion engine to operating temperature.
      3. 3.9.3 Perform adaptation drive until M090 actual value  displays " " → Adaptation is complete  .
      4. 3.9.4 Drive with brief acceleration.
      5. 3.9.5 Then sufficiently long overrun phase (accelerator pedal not pressed, no fuel injection).
    10. 3.10 All 982 vehicles with 6 cylinders 

      Perform sensor wheel adaptation with an adaptation drive  .

      1. 3.10.1 Bring combustion engine to operating temperature.
      2. 3.10.2 Drive smoothly for more than 1 minute.

        Generate a minimal load → Slight acceleration or slight ascent.

      3. 3.10.3 Speed at least 65 km/h.
      4. 3.10.4 Engine speed → 1200 and 2000 rpm.

Complete when M090 actual value  displays " " → Adaptation is complete  .