| 摘要 |
A steering wheel angle detection system having a steering wheel angle sensor, a generator and a controller memory such that when a vehicle ignition is powered off, movement of a steering wheel generates electricity and allows a steering wheel angle sensor to detect the change in steering wheel angle. The change, or an indicator, is stored in non-volatile RAM until a time in which the ignition is powered-on. The generator may be a generator dedicated to the steering wheel angle sensor or it may be an electric motor that is part of an electrically assisted power steering system.
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