COAST Switch Check
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Drive at a selected speed of 25 MPH or greater. Press SET/COAST switch. While depressing COAST switch, ensure cruise control ECU decreases vehicle speed. After releasing switch, ensure cruise control ECU maintains vehicle speed at selected speed. Depress and release COAST switch and ensure cruise control ECU decreases vehicle speed by about 1 MPH.