Circuit Description
WARNING: This page is about a different car, the 2006 Toyota Tundra and 2005 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
The sensor check circuit detects an abnormality in the speed sensor signal which cannot be detected by the DTC check.
Connecting terminals TS (12) and CG (4) of the DLC3 starts the check.