Brake Pedal Stroke Sensor: Inspection

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BRAKE PEDAL STROKE SENSOR ASSEMBLY
1. Check the brake pedal stroke sensor.
  If any of the following occurs, replace the brake pedal stroke sensor assembly with a new one.
  
  Fig 1: Identifying Brake Pedal Stroke Sensor Assembly And Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  - The surface of the sensor is cracked, dented, or chipped
  - The connector is scratched, cracked, or damaged
  - The sensor has been dropped