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-
...
Other materials:
Indicator lamp
First read and observe the introductory information
and safety warnings
Lit up
Possible cause
Solution
Engine management system fault (Electronic Power Control).
The engine should be checked by a qualified workshop
as s ...
Dismantling and assembling heater unit
It is not necessary to extract the refrigerant and to remove
or disassemble the expansion valve and the evaporator. Further
procedure is identical with procedure for vehicles with air
conditioning system
→ Chapter.
...
Relay carriers, fuse carriers, electronics box (engine compartment)
1 -
Front cover
For electronics box in engine compartment
2 -
Nut
Specified torque: 9 Nm
3 -
Nut
Specified torque: 9 Nm
4 -
Wire/line
...
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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