Rain/Light Recognition Sensor, without Lane Assist, Removing and Installing

Special tools, testers and auxiliary items required

Fig 1: Improvised Tool Dimensions

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Removing

Fig 2: Releasing Trim Retainer Tabs

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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".
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.

Fig 3: Releasing Retaining Clips And Removing Rain/Light Recognition Sensor G397

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect electrical connector - 2 -.
Release retaining clips - arrows - using small screwdriver and remove Rain/Light Recognition Sensor G397 - item 1 -.

Installing

Fig 4: Pressing Grip Surfaces On Protective Cap And Removing From Rain/Light Recognition Sensor G397

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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 -.

Fig 5: Spraying Entire Surface Of Sensor Foil With Cleaning Solution D 009 401 04 And Inserting Sensor In Mirror Base

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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.

NOTE:

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:

Vehicle brand
	Vehicle model
		Engine identification
			09 - Electronic central electrical
				Coding G397 (repair group 64)