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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 H 01 >> General information >> Switch-on conditions for engine compartment fan

Switch-on conditions for engine compartment fan

The engine compartment fan is switched on when the engine compartment temperature is > 80 °C

or

the coolant temperature is > 102 °C.