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Home >> Volkswagen >> 2021 >> ID.4 Pro, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> 92 Wiper/Washer Systems >> Windshield Wiper System >> Rain/Light Recognition Sensor G397, Removing And Installing >> Installing
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Rain/Light Recognition Sensor G397, Removing And Installing: Installing

Install in the reverse order of removal while noting the following:

-- Thoroughly clean the windshield inside the interior rearview mirror baseplate.

Removed rain/light recognition sensor

-- Remove the connecting pad -2- in the direction of -arrow-.

GWWN92-10652Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
CAUTION:

Risk of damaging the silicone layer from the rain/light recognition sensor.

- Thoroughly clean the surface of the rain/light recognition sensor.

-- Clean the rain/light recognition sensor -1- to do so apply one or more commercially available adhesive strips on the adhesive surface of the rain/light recognition sensor -1- and remove.

-- Clean the adhesive surface of the rain/light recognition sensor -1- with a lint-free cleaning cloth.

-- Remove the silicone paper -1- from the connecting pad -3-.

Fig 1: Identifying Protective Film
GWWA92-10280Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Conditions

-- Position the connecting pad -2- with the help of the protective film -1- in the center of the rain/light recognition sensor -3-.

Fig 2: Identifying Protective Film
GWWA92-10281Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Press on the connecting pad -2- with the protective film -1- free of bubbles.

-- Remove the protective film -2-.

Fig 3: Identifying Silicone Pad
GWWA92-10302Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

New rain/light recognition sensor 

-- Push the grip tab in the direction of -arrow A-.

GWWN92-10655Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the protective cap -1- in the direction of -arrow B-.

Continuation for all vehicles 

-- Insert the rain/light recognition sensor -2- in the interior rearview mirror baseplate.

GWWN92-000004Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
CAUTION:

Malfunctions of the rain/light recognition sensor.

- If the contact surface is not free of bubbles after 10 minutes, the rain/light recognition sensor must be removed and installed again.

-- Click the retainer -1- into place.

-- Connect the connector -3-.

If the rain/light recognition sensor is replaced, code the rain/light recognition sensor.

-- Perform the "Rain/Light Recognition Sensor, Replacing" function using the Vehicle Diagnostic Tester. Refer to Diagnostic Entries .