Brakelight Signal (Avalon, Camry, Camry Solara 2.4L 4-Cyl., Camry Solara 3.0L V6 With A/T, Celica With A/T, Corolla With 4-Speed A/T, ECHO With A/T, Highlander, Land Cruiser, MR2, RAV4, Sequoia, Sienna, Tacoma, Tundra With A/T & 4Runner)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2002 Toyota Tundra, 2002 Toyota Tacoma, 2002 Toyota Sienna, 2002 Toyota Sequoia, and 2002 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
Brakelight switch delivers an input signal to STP terminal of Engine Control Module (ECM) to indicate when brakes are applied. Input signal is mainly used for controlling fuel cut-off engine speed, as fuel cut-off engine speed is slightly reduced when brakes are applied. Brakelight switch may also be referred to as stoplight switch.