Tire Pressure Warning Valve And Transmitter: Removal

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

REMOVE FRONT WHEEL
REMOVE REAR WHEEL
REMOVE TIRE PRESSURE WARNING VALVE AND TRANSMITTER
1. Remove the valve core and cap, and release the air from the tire.
2. After ensuring that a sufficient amount of air has been released, remove the nut and washer that are used to secure the tire pressure warning valve and transmitter. Drop the tire pressure warning valve and transmitter inside the tire.
  HINT:
  
  Keep the removed cap and valve core.
3. After dropping the tire pressure warning valve and transmitter into the tire, disengage the bead using the tire remover shoe.
  NOTE: Be careful not to damage the tire pressure warning valve and transmitter due to interference between the valve and the tire bead.
  
  Fig 1: Identifying Disengaging Bead Using Tire Remover Shoe
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the bead on the upper side in the usual way.
5. Take out the tire pressure warning valve and transmitter from the tire and remove the bead on the lower side in the usual way.
  HINT:
  
  Replace the grommet even if any damage is not found on it.