General test prerequisites
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Porsche 911, 2004 Porsche 911, 2003 Porsche 911, 2002 Porsche 911, and 2001 Porsche 911. However, it is still accessible from the selected car via links, so may be relevant.
- Close doors, windows and sliding roof
- Insert temperature probe into centre vent Measure ambient temperature
- Open all dashboard vents Switch ignition on
- Press recirculating-air button
- Set temperature control to maximum cooling Switch fresh-air blower to stage 4
- Start engine
- Operate air condition while idling
- Set engine speed to 2000 rpm (start of time measurement)
If the prescribed nominal values are not reached, the cooling system must be checked for leaks and repaired.
Centre vent temperature as a function of ambient temperature