Operation CHARM: Car repair manuals for everyone.

Braking Sensor/Switch: Description and Operation


An input from this switch prepares the CAB for a possible antilock stop.

The antilock system uses an input signal from the brake pedal activated switch. When the driver applies the brake pedal, the circuit voltage is 12 volts. A released brake pedal will close the switch circuit and provide O volts. This signal tells the CAB that the pedal is depressed