| 摘要 |
PROBLEM TO BE SOLVED: To provide a control device of a vehicle which can suppress the intrusion of a fuel component into a pressure chamber in the vehicle in which negative pressure is supplied to the pressure chamber of an actuator through a passage into which the fuel component is mixed.SOLUTION: A vehicle has a fuel vapor discharge device; a brake booster; a negative pressure pump which supplies negative pressure to the fuel vapor discharge device and a constant pressure chamber of the brake booster; and a pump suction passage which makes the fuel vapor discharge device, the constant pressure chamber and a suction port of the negative pressure pump communicate with one another. The vehicle also has a discharge passage which makes a discharge port and an intake passage of the negative pressure chamber communicate with each other, and a brake negative pressure control valve which switches the communication of the suction port and the constant pressure chamber, and the connection and disconnection of the communication. When operating the negative pressure pump in order to generate the negative pressure supplied to the constant pressure chamber of the brake booster (S23: YES), a brake negative pressure control valve is valve-opened (S26) when the internal pressure (suction pressure Pv) of the pump suction passage is not higher than the internal pressure (booster pressure Pb) of the constant pressure chamber (S25: YES).SELECTED DRAWING: Figure 4 |
