8025 Navigation: Diagnosis/troubleshooting

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.

DIAGNOSIS/TROUBLESHOOTING (8025 NAVIGATION)

Work instruction			Display OK	If not OK
1	Visual inspection	Check navigation CD for damage, version and the position of the data-side	CD OK and inserted correctly Step 2	Replace CD with one that works perfectly -> End
2	Read out PCM2 fault memory	Connect and start the Porsche System Tester II 9588 and switch on the ignition. Select 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key. Select PCM in the Control units menu and confirm with the "FORWORD" key Select Navigation in the 911 (996) PCM2 function selection and confirm with the "FORWORD" key. Select Fault memory in the 911 (996) Navigation function selection and confirm with the "FORWORD" key. Read out fault memory. Erase fault memory. Remove ignition key and switch on ignition again. Read out fault memory. Extract ambient data, press the "FORWORD" key.	The fault is remedied -> End	Fault code is still displayed Step 3
3	Replace PCM2		The fault is remedied -> End