Circuit Description
WARNING: This page is about a different car, the 2006 Toyota Corolla and 2005 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
The microphone of the glass breakage sensor is built into the security indicator light. When this microphone senses breakage of glass, the glass breakage sensor ECU sends the signal of this breakage to the TVIP ECU.