Volkswagen Golf Service & Repair Manual: Repairing rain and light sensor, TRW
| The housings for the rain and light sensors -G397- from
various manufacturers differ. |
| The sensor housing with lens unit is always supplied as a
replacement part in separate parts with retaining clips. In
vehicles which do not require these retaining clips, the clips
must be removed. |
| Perform the following procedure: |
| – |
Remove rain and light sensor -G397-
→ Chapter. |
Caution
| The sensor electronics may be damaged. |
| When separating the housing parts, do not insert the
screwdriver as far as the sensor electronics. |
| Do not touch the rain sensor electronics.
|
|
|
|
|
| – |
Release 4 locking lugs -arrows-
of retaining clip -1- using a
suitable screwdriver, and remove retaining clip. |
|
|
|
| – |
Separate upper part of housing -1-
together with lens unit from bottom part of housing
-2- by releasing retaining lugs
-arrows- on both sides. |
Caution
| The optical unit of the sensor may be damaged. |
| Do not touch the lens unit. |
|
|
|
|
| – |
Remove sensor electronics -2-
from upper part of old housing -1-
and insert into new upper part of new housing in exactly same
way. |
| – |
Engage upper part of housing with lens unit and protective
cover with lower part of housing. |
| – |
Install rain and light sensor -G397-
→ Chapter. |
|
|
|
Note
The rain and light sensor has a silicon layer (coupling pad)
which forms the contact surface to the windscreen.
The r ...
Remove rain and light sensor -G397-
→ Chapter.
–
Carefully remove sensor foil -2-
...
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Removing and installing rain and light sensor, vehicles without front camera
for driver assist systems
Repairing rain and light sensor, Valeo