Rain/Light Recognition Sensor, Servicing, TRW

There are different housings for the Rain/Light Recognition Sensor -G397- from different manufacturers.

As a replacement part, the sensor housing with the optical unit is always delivered in individual parts with clips. Remove these clips if they are not needed.

Procedure

-- Remove the Rain/Light Recognition Sensor -G397-. Refer to RAIN/LIGHT RECOGNITION SENSOR, REMOVING AND INSTALLING .

CAUTION:

The sensor electronics may be damaged.

When separating the housing components, do not to insert the screwdriver up to the sensor electronics.
Do not touch the sensor electronics.

-- Loosen the clip -1- at the four tabs -arrows- using a suitable screwdriver and remove it.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Release the retaining tabs -arrows- on both sides and separate the housing upper section -1- with optical unit from the housing lower section -2-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

CAUTION:

The sensor electronics may be damaged.

Do not touch the optical unit.

-- Remove the sensor electronics -2- from the old upper section -1- and install the new electronics the exact same way.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Assemble the new housing upper section with optical unit and protective cover with the housing lower section.

-- Install the Rain/Light Recognition Sensor -G397-. Refer to RAIN/LIGHT RECOGNITION SENSOR, REMOVING AND INSTALLING .