Brake Intervention Sensor / Switch: Service and Repair

Brake Lamp Sensor

Special tools, testers and auxiliary items required

• Release Tool for Brake Light Switch (T40168)

• After removing, the brake lamp sensor can be re-used.

• The brake light sensor programs itself. It is not necessary to calibrate it after installation.

Removing

- Remove the driver side storage compartment - 1 to 3 -.






- Disconnect the connector - C - for the footwell vent.






- Remove the footwell vents - A-B -.

- Disconnect the electrical connector to the brake light sensor.

The stop - 17 - on the brake pedal is an assembly aid during production and does not need to be installed again.






- Press the brake light sensor plunger - 10 - all the way in using a finger.

- With the plunger pressed in, rotate the colored piece on the brake light sensor left as far as the stop to release the switch.

• The plunger must remained pressed in when releasing the brake light sensor.

- Let go of the brake light sensor plunger after releasing.

- Insert a (T40168) between the brake light sensor plunger and the brake pedal.

• The cone on the tool must face in the direction of the driver seat. The opening on the tool must align with the bulge on the brake light sensor.

- Press the (T40168) against the brake lamp sensor. This releases the three retaining tabs on the brake lamp sensor.

- Remove the brake lamp sensor from the mount.

Installing

The stop - 17 - on the brake pedal is an assembly aid during production and does not need to be installed again.






• The plunger adjusts itself automatically when inserting the brake lamp sensor.

• The brake pedal must remain in end position during installation and must not be moved.

• The brake pedal must be connected with the brake booster.

- Insert the brake lamp sensor in the mount on the brake pedal and press it in lightly.

• The brake lamp sensor must engage audibly with all three retaining tabs.

• The switch must not be rotated in the mount on the brake pedal.

• The plunger adjusts itself automatically when inserting the brake lamp sensor.

- Rotate the colored piece on the brake lamp sensor to the right as far as the stop to secure the switch.

- Connect the electrical connector.

- Install the footwell vents - A-B -.






- Connect the connector - C - for the footwell vent.

- Install the driver side storage compartment - 1 to 3 -.






• Check the brake lamp sensor function after installing it and before driving.