00449re-pressurising pump on00450re-pressurising pump off00451:Four-wheel coupling disengaged00452:Four-wheel coupling engaged00453:Functional restriction due to high temp.00454:Four-wheel monitoring00503:Valve control pump/vent00504:No.1 cy1. pump/nozzle valve-N24000505:No.2 cy1. pump/nozzle val...