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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Radio, Navigation, Telephone, Pcm & Park Assistant - Diagnosis) >> System N 01 >> Fault Overview >> Test point 11 >> Possible causes, elimination, notes

Possible causes, elimination, notes

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  1. Remove CD from navigation unit.
  2. Switch off PCM.
  3. Switch on PCM and insert CD.
  4. Clear fault memory.
  5. Read out fault memory

    If the fault appears again, insert a different CD (older version).

  6. Switch off PCM.
  7. Switch on PCM.
  8. Clear fault memory.
  9. Read out fault memory

    If the fault appears again, replace the display and operator control unit.

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