Brake Light Switch: Description and Operation
GF42.10-P-2010MCC Brake Light Switch, Component Description
S9/1 Stop lamp switch
Location
The brake light switch is located in the brake pedal module.
Task
The brake light switch detects brake pedal actuation and transfers the information to the ESP control unit (N47-5) and to the SAM control unit (N10/10).
Design
The brake light switch consists of a normally closed contact and a normally open contact.
Function
The N.O. contact transfers the signal for actuation of the brake pedal to the SAM control unit.
The N.C. contact transfers the signal for actuation of the brake pedal to the ESP control unit.