TC and CG Terminal Circuit [08/2013 - ]: Description
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
Connecting terminals TC and CG of the DLC3 causes the ECU to display the DTC by blinking the ABS warning, brake warning / yellow (minor malfunction) and slip indicator lights.