Brakelight Switch Signal
WARNING: This page is about a different car, the 2002 Toyota ECHO, 2002 Toyota Celica, 2001 Toyota ECHO, and 2001 Toyota Celica. However, it is still accessible from the selected car via links, so may be relevant.
Brakelight switch delivers input signal to ECM, indicating vehicle braking. Brakelight switch is located on brake pedal support.