1. A method for a vehicle with an engine, comprising:
adjusting an evaporative leak detection threshold based on a change in tire pressure, wherein the change in tire pressure is based on a change in barometric pressure.
2. The method of claim 1, wherein adjusting the evaporative leak detection threshold includes decreasing the evaporative leak detection threshold in response to an increase in tire pressure, the method further comprising generating an indication of a leak based on a comparison of a parameter with the evaporative leak detection threshold.
3. The method of claim 1, wherein adjusting the evaporative leak detection threshold includes increasing the evaporative leak detection threshold in response to a decrease in tire pressure.
4. The method of claim 1, wherein the tire pressure change is determined via one or more tire pressure sensors.
5. The method of claim 1, further comprising, adjusting an airfuel ratio measurement in the engine responsive to the change in tire pressure which is based on the change in barometric pressure.
6. The method of claim 1, further comprising discontinuing an evaporative leak detection monitor in response to a change in tire pressure greater than a threshold.
7. The method of claim 1, wherein adjusting the evaporative leak detection threshold based on the change in barometric pressure where the change in barometric pressure is based on the tire pressure change is performed in response to fault conditions of a barometric pressure sensor coupled to the engine.
8. The method of claim 7, wherein the fault conditions include closed throttle engine operating conditions.
9. The method of claim 1, further comprising indicating an altitude change based on a tire pressure change.
10. The method of claim 9, wherein indicating the altitude change based on the tire pressure change includes indicating an increase in altitude in response to an increase in tire pressure.
11. The method of claim 9, wherein indicating the altitude change based on the tire pressure change includes indicating a decrease in altitude in response to a decrease in tire pressure.
12. The method of claim 9, further comprising discontinuing an evaporative leak detection monitor in response to a change in altitude greater than a threshold change, where the change in altitude is based on the tire pressure change.
13. A method for a vehicle with an engine, comprising:
adjusting engine operation responsive to a change in tire pressure, wherein the change in tire pressure is based on a change in barometric pressure, the tire pressure change determined via one or more tire pressure sensors.
14. The method of claim 13, wherein adjusting engine operation includes adjusting engine spark timing and engine air-fuel ratio.
15. The method of claim 13, wherein adjusting engine operation includes adjusting an evaporative leak detection threshold based on the change in barometric pressure.
16. The method of claim 13, further comprising indicating an altitude change based on the tire pressure change and adjusting engine operation based on the indicated altitude change.
17. The method of claim 13, further comprising discontinuing an evaporative leak detection monitor in response to a change in tire pressure greater than a threshold.
18. The method of claim 13, further comprising:
in response to an engine intake throttle position greater than a threshold, adjusting engine operation responsive to a change in barometric pressure, where the change in barometric pressure is based on a barometric pressure sensor coupled to an intake of the engine; and
in response to the engine intake throttle position less than the threshold, adjusting engine operation responsive to a change in barometric pressure, where the change in barometric pressure is based on the tire pressure change determined via one or more tire pressure sensors.
19. A vehicle system, comprising:
an engine;
a barometric pressure sensor in an intake of the engine;
one or more tire pressure sensors coupled to one or more tires of the vehicle;
an intake throttle in the intake of the engine; and
a controller having instructions executable to:
in response to an opening amount of the intake throttle greater than a threshold while the engine is in operation, adjust engine operation responsive to a change in barometric pressure, where the change in barometric pressure is determined via the barometric pressure sensor; and
in response to an opening amount of the intake throttle less than the threshold while the engine is in operation, adjust engine operation responsive to a change in barometric pressure, where the change in barometric pressure is determined via the one or more tire pressure sensors coupled to one or more tires of the vehicle.
20. The system of claim 19, wherein adjusting engine operation includes adjusting one or more of an engine spark timing, an engine air-fuel ratio, and an evaporative leak detection threshold.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A navigation system, connected to a combination of a first output device and a first input device and to a combination of a second output device and a second input device, for performing processing indicated by operation information from said input devices and for outputting information, generated by the processing, onto said output devices, said navigation system comprising:
first setting information storage means that stores setting information indicating whether or not the information generated by the processing is to be output to said first output device;
second setting information storage means that stores setting information indicating whether or not the information generated by the processing is to be output to said second output device;
first output processing means that outputs the information, generated by the processing, to said first output device according to the setting information read from said first setting information storage means;
second output processing means that outputs the information, generated by the processing, to said second output device according to the setting information read from said second setting information storage means, and
setting means,
wherein, when the operation information is entered from said second input device, said setting means changes the setting information, stored in said first setting information storage means, to a setting that does not output the information generated by the processing indicated by the entered operation information.
2. A navigation system, connected to a combination of a first output device and a first input device and to a combination of a second output device and a second input device, for performing processing indicated by operation information from said input devices and for outputting information, generated by the processing, onto said output devices, said navigation system comprising:
a plurality of frame buffers including a frame buffer in which an image is drawn for displaying the information generated by the processing indicated by the operation information;
first setting information storage means that stores a correspondence between each of said plurality of frame buffers and setting information indicating whether or not an image drawn in each of said plurality of frame buffers is to be output to said first output device;
second setting information storage means that stores a correspondence between each of said plurality of frame buffers and setting information indicating whether or not an image drawn in each of said plurality of frame buffers is to be output to said second output device;
first output processing means that superimposes the image drawn in each of said plurality of frame buffers according to the setting information read from said first setting information storage means and outputs the superimposed image onto said first output device;
second output processing means that superimposes the image drawn in each of said plurality of frame buffers according to the setting information read from said second setting information storage means and outputs the superimposed image onto said second output device; and
setting means,
wherein, when the operation information is entered from said second input device, said setting means changes the setting information to a setting that does not output the superimposed image to said first output device, said setting information being stored in said first setting information storage means, said setting information corresponding to a frame buffer in which an image is drawn for displaying information corresponding to the entered operation information.
3. The navigation system according to claim 2,
wherein, when the operation information is entered from said first input device, the setting information is changed to a setting that does not output the superimposed image to said second output device, said setting information being stored in said second setting information storage means, said setting information corresponding to a frame buffer in which an image is drawn for displaying information generated by the processing indicated by the operation information.
4. The navigation system according to claim 3, further comprising:
management information storage means that stores a correspondence between each of said plurality of frame buffers and operation device information, said operation device information indicating an input device from which operation information used to generate the information drawn in each of said plurality of buffers is entered,
wherein, when the operation information is entered from said first input device, said setting means sets the operation device information to information indicating said first input device, said operation device information being stored in said management information storage means, said operation device information corresponding to a frame buffer in which an image for displaying information for the entered operation information is drawn,
when the operation information is entered from said second input device, said setting means sets the operation device information to information indicating said second input device, said operation device information being stored in said management information storage means, said operation device information corresponding to a frame buffer in which an image for displaying information for the entered operation information is drawn,
when the operation information is entered from said first input device, said setting means reads the operation device information and, if the operation device information that has been read is information indicating said second input device, does not perform processing requested by the entered operation information, said operation device information being stored in said management information storage means, said operation device information corresponding to a frame buffer in which an image for displaying information for the entered operation information is drawn, and
when the operation information is entered from said second input device, said setting means reads the operation device information and, if the operation device information that has been read is information indicating said first input device, does not perform processing requested by the entered operation information, said operation device information being stored in said management information storage means, said operation device information corresponding to a frame buffer in which an image for displaying information generated by processing indicated by the operation information is drawn.
5. An output control method for use by a navigation system, connected to a combination of a first output device and a first input device and to a combination of a second output device and a second input device, for performing processing indicated by operation information from said input devices and for outputting information, generated by the processing, onto said output devices, said navigation system comprising:
first setting information storage means that stores setting information indicating whether or not the information generated by the processing is to be output to said first output device;
second setting information storage means that stores setting information indicating whether or not the information generated by the processing is to be output to said second output device;
first output processing means that outputs the information, generated by the processing, to said first output device according to the setting information read from said first setting information storage means; and
second output processing means that outputs the information, generated by the processing, to said second output device according to the setting information read from said second setting information storage means,
wherein, when the operation information is entered from said second input device, said output control method comprises the step of changing the setting information, stored in said first setting information storage means, to a setting that does not output the information generated by the processing indicated by the entered operation information.