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Structure and inner electrical connection

The seat-position sensor has a 2-pin plug connection.

The airbag control unit supplies the seat-position sensor with voltage.

The seat-position sensor has a reverse polarity protection

Fig 1: Seat-Position Sensor - Circuit Diagram
G09871993Courtesy of BMW OF NORTH AMERICA, INC.
Index Explanation
1 Seat-position sensor
2 Magnet
3 Hall effect sensor
CONNECTOR PIN REFERENCE

Pin Explanation
Kl. 31 Terminal 31, ground
Voltage Supply voltage
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