Self-Inertial Navigation Limitations
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Honda Odyssey, 2003 Honda Odyssey, 2002 Honda Odyssey, 2001 Honda Odyssey, and 2000 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
The limitations of the self-inertial portion of the navigation system (the yaw rate sensor and the vehicle speed signal) can cause some discrepancies between the vehicle's actual position and the indicated vehicle position (GPS vehicle position). However, if GPS signals cannot be received, you must tune the vehicle position manually.
- The following circumstances may cause vehicle positioning errors:
- Moving the vehicle with the navigation system on the vehicle stopped, such as by ferry or tow truck, or if the vehicle is spun on a turn table.
- Tire slippage, changes in tire rolling diameters, and some driving situations may cause discrepancies in travel distances. Examples of this include:
- Continuous tire slippage on a slippery surface.
- Driving with snow chains mounted.
- Abnormal tire pressure.
- Incorrect tire size.
- Frequent lane changes across a wide highway.
- Continuous driving on a straight or gently curving highway.
- Tolerances in the system and map inaccuracies sometimes limit how precisely the vehicle position is indicated. Examples of this include:
- Driving on roads not shown on the map (map matching is not possible).
- Driving on a road that winds in one direction, such as a loop bridge, an interchange, or a spiral parking garage.
- Driving on a road with a series of sharp hair-pin turns.
- Driving near a gradual highway exit or transition.
- Driving on one of two close parallel roads.
- Making many 90 degree turns.