主权项 |
1. A control device for a vehicle, the vehicle being provided with an internal combustion engine, and an automatic transmission, the automatic transmission having a switching valve switched between a normal position and a failure position according to a first hydraulic pressure and a second hydraulic pressure, the first hydraulic pressure being hydraulic pressure supplied to the switching valve by controlling a first valve, the second hydraulic pressure being hydraulic pressure supplied to the switching valve by controlling a second valve, the first valve being a normally closed solenoid valve, the second valve being a normally open solenoid valve, the switching valve being configured to be switched from the normal position to the failure position during all failure in which all of the solenoid valves including the first valve and the second valve are de-energized, the automatic transmission being configured to be set to gear shift stages corresponding to traveling states of the vehicle when the switching valve is at the normal position, and the automatic transmission being configured to be set to specific gear shift stages corresponding in advance to the respective gear shift stages when the switching valve is at the failure position, the control device comprising:
an electronic control unit configured to limit the second hydraulic pressure such that the switching valve is switched to the normal position when following conditions i) and ii) are satisfied; i) during partial failure in which the first valve is de-energized, and ii) when the switching valve is switched to the failure position due to the second hydraulic pressure and the automatic transmission is downshifted to the specific gear shift stage not corresponding to a current gear shift stage. |