Circuit Description
WARNING: This page is about a different car, the 2003 Toyota Prius, 2002 Toyota Prius, and 2001 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
The sensor check circuit detects abnormalities in the speed sensor signal which cannot be detected by the DTC check. Connecting terminals Ts and CG of DLC3 starts the check.