Brake Signal: Description and Operation
LOCATION
Sensor mounted on brake pedal support bracket.
FUNCTION
Allows engine controller to monitor brake application.
OPERATION
Engine controller uses switch input to determine engine load and maintain idle speed.
Engine controller vents speed control system vacuum and turns speed control system OFF when appraised of a brake switch actuation.
The brake switch is also used as an input to signal deceleration.
Switch closes when pedal is depressed.