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Home >> Porsche >> 2003 >> 911 Carrera 4S, Standard >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater, Diagnosis - 911 CARRERA (996) >> System H02 Introduction - as of MY 2002 >> Diagnostic conditions

Diagnostic conditions

The fault can only be identified if the requirements listed under diagnostic conditions are met. For this reason, the specified procedure must be observed after a fault is repaired:

  1. Clear fault memory.
  2. Satisfy the requirements listed under Diagnostic conditions.
  3. Read out fault memory again
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