Possible causes of fault
WARNING: This page is about a different car, the 2006 Porsche Cayenne, 2005 Porsche Cayenne, 2004 Porsche Cayenne, and 2003 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
- Windscreen or silicone cushion in the area of the rain sensor faulty or soiled
- Rain sensor/light sensor does not fit windscreen (green glass/ insulating glass with IR protective film)
- Rain sensor/light sensor not coded appropriately for windscreen in wiper motor control module
- Power supply for rain sensor
- Rain sensor faulty
NOTE:
Different windscreen types are used, green glass and insulating glass with infrared protective film. The rain/light sensors must be assigned correctly according to the Spare Parts Catalogue "(PET)". The insulating glass can be recognized by the small 'IR' stamp for infrared.