Check Actuator Travel Of Brake Shoes
WARNING: This page is about a different variant/trim than selected.
Information
The actuator travel of the brake shoes only needs to be checked for brake discs with an aluminium brake hub.
- Close electric parking brake using the button.
- Read out left/right actuator position.
- 2.1 > 9900 - PIWIS Tester 3 must now be connected. Then select Brake electronics (PSM) > Actual values/input signals > Left actuator position and right actuator position .
- If the value is greater than > Length 4.5 mm , perform calibration.