Renewing rain and light sensor G397, vehicles with humidity sender G355 — VW

🧭 Before you start

Fits: platform code BE1

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• To prevent the silicone pad from being soiled, only remove the protective cap immediately before installing the sensor.
• To ensure proper operation the rain and light sensor G397 must rest against the windscreen without any inclusions or bubbles. — Press on retaining clips (1, 5) until they can be heard to engage.
• After the rain and light sensor has been renewed, it must be coded using in "“Guided functions”" mode.

📋 Procedure

1. Switch off ignition.
2. Equipment version with ignition lock: remove ignition key.
3. Remove interior mirror General body repairs, interior68Interior mirror; Removing and installing interior mirror
4. Disconnect electrical connector (3).
5. Insert a narrow screwdriver (5) in the hole as shown in illustration, and release catches of retaining spring (2)(arrows).

6. Wait 1 minute until silicone pad has fully expanded so that it can be detached without leaving any residue.
7. Detach rain and light sensor G397(item 4) by moving it back and forth, and remove it from mounting (1).
8. Clean bonding surface on windscreen using cleaning solutionD 009 401 04.
9. ⚠ Risk of damage to humidity sender.The humidity sender (arrow) on the rain and light sensor (1) is very sensitive and must not be damaged.If the humidity sender is damaged, it must be renewed. — Lightly press grips (arrows) onto protective cap (2) together, and pull cap off sensor (1). [Note: To prevent the silicone pad from being soiled, only remove the protective cap immediately before installing the sensor.]
10. Spray cleaning solutionD 009 401 04 onto the entire surface of the silicone pad (3).
11. Insert sensor (4) in mounting (2).
12. ⚠ To ensure proper operation the rain and light sensor G397 must rest against the windscreen without any inclusions or bubbles. — Press on retaining clips (1, 5) until they can be heard to engage.
13. Connect connector (3).
14. After the rain and light sensor has been renewed, it must be coded using in "“Guided functions”" mode.

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