Rationality check routine for throttle pedal position:If current throttle pedal value is above a certaincalibratable value (i.e. 10%) while service brake isactuated in conjunction with a real strong vehicledeceleration, throttle pedal position is recognized aserroneous and a fault will be logged. The positionfurthermore is ramped down to 0%. As soon asoriginal pedal position is back again to 0% the fault isdeactivated.