Rain/Light Recognition Sensor, without Lane Assist

Rain/Light Recognition Sensor, without Lane Assist

Special tools, testers and auxiliary items required

• Improvised tool





- Use 0.7 mm thick metal strip to make improvised tool with dimensions shown.

Removing





- If the rain/light recognition sensor (G397) was replaced, select the "Replace" function for the respective control module in "Guided Fault Finding" or "Guided Functions ".

- Select the function or path:





- Follow further instructions on display of (VAS 5051B).

- Guide offset end of improvised tool - 1 - under side of trim - 2 - as shown.

- Release trim retainer tabs by pulling improvised tool in - direction of arrow -.

- Repeat procedure on opposite side.

- Disconnect electrical connector - 2 -.





- Release retaining clips - arrows - using small screwdriver and remove Rain/Light Recognition Sensor (G397) - item 1 -.

Installing





Install in reverse order of removal, observing the following:

- Clean the rest of the sensor film off the windshield.

- Clean the contact surface on the windshield with cleaning solution (D 009 401 04).

- Press the grip surfaces - arrows - on the protective cap - 2 - together and remove it from the rain/light recognition sensor (G397) - item 1 -.

- Spray the entire surface of the sensor film - 1 - with cleaning solution (D 009 401 04).





- Insert the rain/light recognition sensor (G397) in the retaining plate and press it onto the windshield without forming bubbles.

• The rain/light recognition sensor (G397) must engage audibly in the retaining plate and have no embedded objects or bubbles between it and the windshield to function properly.

- Secure the rain/light recognition sensor (G397) to the retaining plate with the retaining spring.

- Code the new rain/light recognition sensor (G397).

- Select the function or path:





- Follow further instructions on display of (VAS 5051B).