ID.4 2021 ➤
Electrical system - Edition 02.2021
Note
For a new wiper motor and for a wiper motor whose self-locking
function has been activated, the self-locking function is auto‐
matically deactivated after 100 wipe cycles.
– Code wiper motor using ⇒ Vehicle diagnostic tester.
2.8
Removing and installing rain and light
sensor [G397]
The rain and light sensor -G397- withhumidity sender for air
conditioning system -G260- and sunlight penetration photosen‐
sor -G107- will henceforth be referred to as “rain and light sen‐
sor”.
•
If the rain and light sensor is exchanged and renewed with
a rain and light sensor that has a different part number, the
new rain and light sensor must be coded using the ⇒ Vehicle
diagnostic tester.
•
Determine the correct rain and light sensor using the ⇒ Elec‐
tronic parts catalogue (ETKA).
Removing
– Removing interior mirror ⇒ General body repairs, interior;
Rep. gr. 68; Interior mirror; Removing and installing interior
mirror.
– Release retaining clip -1- at -arrows-.
NOTICE
Risk of damage to silicone layer of rain and light sensor.
– Wait for at least 1 minute after releasing the retaining clip.
– Starting from top, carefully lever rain and light sensor -2- out
of retaining frame on windscreen.
– Disconnect electrical connector -3-, and remove rain and
light sensor -2-.
Installing
Install in reverse order of removal, observing the following:
– Prior to installation, thoroughly clean the surface of the wind‐
screen in the area of the retaining frame for the rain and light
sensor. Make sure to completely remove any silicone layer
residue on the windscreen.
– If the surface of the silicone layer on the rain and light sen‐
sor is soiled, it may be cleaned by sticking on and then
pulling off one or more adhesive strips.
38
Rep. gr.92 - Windscreen wash/wipe system
ID.4 2021 ➤
Electrical system - Edition 02.2021
NOTICE
Risk of damage to silicone layer of rain and light sensor.
– When installing, the surface of the rain and light sensor
must not be soiled or damaged.
– Press grip in direction of arrows -A-.
– Remove protective cap -1- in direction of -arrow B-.
– Insert rain and light sensor -2- into retaining frame on wind‐
screen.
NOTICE
Malfunctions of rain and light sensor.
– If the contact surface is not free of bubbles after 10 mi‐
nutes, the rain and light sensor must be removed and
installed anew.
– Push in retaining clip -1- at -arrows- until it can be heard to
engage.
– Connect electrical connector -3-.
– If the rain and light sensor has been renewed, conclude the
test plan for the renewal of the rain and light sensor using
⇒ Vehicle diagnostic tester.
2. Windscreen wiper system
39
2024 VW ID.4 Owner's Manual
