Installing Rain Sensor: Notes

Information 

Limited rain sensor function if the following points are not observed: 

• There must be no air trapped between the windscreen and silicone layer on the rain sensor. 
• The temperature of the windscreen and rain sensor must be approx. 20 °C during assembly. Carefully heat the windscreen and rain sensor using a hot-air gun if necessary. 
• The contact surfaces must be free of grease and dirt. 
• Do not touch silicone layer on the rain sensor. 
• Do not remove the protection cap from a new rain sensor until immediately before pressing the rain sensor onto the windscreen. 

1. Connect the electrical plug, pressing on until it clicks into place.
   Fig 1: Installing Rain Sensor Into Holder

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Insert rain sensor into holder and press into place.
3. Hold the rain sensor and push the mirror base onto the holder as far as it will go.
   Fig 2: Installing Mirror

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Information 

   • Ensure that the mirror base has been pushed completely onto the holder. 
4. Position the cover on the mirror base and press together until the cover clicks into place.
   Fig 3: Installing Cover On Mirror Base

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Information 

   • When replacing the rain sensor, fault entries may occur in the wiper and in the vehicle electrical system control units. Perform a function test on the rain sensor. 
5. Check operation of rain sensor.
6. Using the Porsche System tester, read out and then erase the fault memory of the wiper and vehicle electrical system control units.