Open circuit/short to ground
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.
- Pull off plug II on the display and operator control unit.
- Pull off plug on the navigation unit.
- Check lead from navigation unit plug pin 7 to plug II pin 17 for continuity and short to ground.