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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 >> After-running of engine compartment fan

After-running of engine compartment fan

If the ignition is switched off and the engine compartment temperature is more than 60 °C, the DME control module remains in readiness for another 20 minutes. During this time, the engine compartment temperature is retrieved every 10 seconds. If the engine compartment temperature is > 85 °C, the engine compartment fan is switched on for 20 seconds. If the engine compartment temperature is still > 85 °C after this time, the fan remains on for a further

30 seconds.

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