Patent ID: 7826961

Claim:
A control apparatus for an internal combustion engine, which stops the internal combustion engine when a stop condition is satisfied, starts the internal combustion engine when a start condition is satisfied, and is provided with a vehicular air conditioning device that heats a vehicle cabin using a coolant for the internal combustion engine, the control apparatus comprising: a coolant-temperature detection device that detects a temperature of the coolant for the internal combustion engine; a stop prohibition device that prohibits stopping of the internal combustion engine when the vehicular air conditioning device is heating the vehicle cabin and the temperature of the coolant detected by the coolant-temperature detection device is equal to or below a threshold value; a movement determination device that determines whether the vehicle is moving; and a selection device that selects the threshold value, wherein the selection device selects a first value as the threshold value when the movement determination device determines that the vehicle is not moving, and selects a second threshold value, which is higher than the first threshold value, as the threshold value when the movement determination device determines that the vehicle is moving.