October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Brake light switch

When the brake pedal is depressed, the normally open pair of contacts in the brake light switch will close and B+ will be applied on control module pin 63.

Brake light information is used by the control module to:

disengage cruise control
enable engine torque limitation
enable diagnosis of the speed signal.