Diagnostic conditions
WARNING: This page is about a different car, the 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
Always connect a suitable battery charging device to the vehicle electrical system battery before starting diagnosis. All unnecessary loads must also be switched off.
NOTE:
The fault can only be identified if the requirements listed under 'Diagnostic conditions' are met. For this reason, the specified procedure must be observed after a fault is repaired:
- Erase fault memory
- Satisfy the requirements listed under 'Diagnostic conditions'
- Read out fault memory again