Brake-light switch

Brief description of components

Brake-light switch

The brake-light switch is an electronic switch. The brake light switch is supplied with power by the light module as of terminal R ON.

For safety reasons, the brake-light switch contains 2 switch outputs:

• One output is connected with the light module.
  
• The other output is connected to the CAS (Car Access System) control unit. The CAS evaluates the brake signal and passes it on to the K-CAN SYSTEM data bus.
  

The signal ”brake-light switch operated” is thus received by two independent control units and passed on. If one of the two signal paths fails, the other still functions.