Positive Temperature Coefficient Heater: Prius
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2003 Toyota Tacoma, 2003 Toyota RAV4, 2003 Toyota Prius, 2003 Toyota Matrix, and 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
On Prius, read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS .
For PTC heater inspection procedures, see Fig 1.