Rain/Light Recognition Sensor, Removing And Installing: Installing

WARNING: This page is about a different car, the 2023 Volkswagen Atlas. However, it is still accessible from the selected car via links, so may be relevant.

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

Thoroughly clean the windshield surface inside the frame for the Rain/Light Recognition Sensor -G397- before installing. Remove any traces of the connecting pad that may still be on the windshield.

-- Thoroughly clean the windshield in the baseplate with cleaning solution. Refer to the appropriate Electronic Parts Information.

When installing a new rain/light recognition sensor

Fig 1: Identifying Protective Cap

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Gently press the grip surfaces -arrows- on the protective cap -2- together and remove from the sensor -1-.

CAUTION:

To avoid contaminating the connecting pad, remove the protective cap just before installing it.

When installing a previously installed rain/light recognition sensor

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the connecting pad -2- in the -direction of the arrow- without leaving any residue on the sensor -1-.

The surface on the sensor must be completely free of any remaining connecting pad.

-- Clean the adhesive surface on the sensor -1- with a lint-free towel.

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

Fig 2: Identifying Protective Film

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- The clear protective film -2- remains on the connecting pad as an assembly aid.

-- Place the connecting pad -2- centered on the Rain/Light Recognition Sensor -G397- -3- using the transparent protective film -1-.

Fig 3: Identifying Protective Film

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Press the connecting pad -2- through the protective film -1- free of bubbles on the Rain/Light Recognition Sensor -G397- -3-.

-- Remove the protective film -2- from the connecting pad -1-.

Fig 4: Identifying Silicone Pad

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

CAUTION:

To avoid contaminating the connecting pad, remove the protective film just before installing it.

Continuation for all versions

Fig 5: Identifying Rain/Light Recognition Sensor

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Insert the Rain/Light Recognition Sensor -G397- -4- into the mount -2-.

The Rain/Light Recognition Sensor -G397- -4- must not have any embedded objects or bubbles between it and the windshield so that it functions correctly.

-- Press on the clips -1- and -5- until they audibly engage.

-- Connect the connector -3-.

-- Read out the DTC memory and delete the sporadic faults using the Vehicle Diagnostic Tester.

-- If the Rain/Light Recognition Sensor -G397- was replaced, it must be coded using the Vehicle Diagnostic Tester.