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Home >> BMW >> 2005 >> 330xi Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lights - Service Information >> Light >> E46, E63, E64, E83, E90 - Zero-Position Sensor >> Level Curve Of The Zero-Position Sensor: Level Change Between High And Low

Level Curve Of The Zero-Position Sensor: Level Change Between High And Low

The level curve of the output signal corresponds to the degree of overlap of the Hall sensor and the sensor plate.

The output signal is either a high level signal or a low level signal. The level curve is illustrated in the following graphic:

Fig 1: Identifying Level Change Between High And Low
G00429063Courtesy of BMW OF NORTH AMERICA, INC.
LEVEL CHANGE BETWEEN HIGH AND LOW LEGEND

Key Explanation Key Explanation
1 Mechanical stop 2 Encoded end stop of range of movement
3 Parked position 4 Position at which a level change is expected (with a minor switching delay)
5 Straight-ahead position = 0° 6 Encoded end stop of range of movement
7 Mechanical stop 8 Level curve of the zero-position sensor (Hall sensor):