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Home >> BMW >> 2011 >> 1M >> Repair and Diagnosis >> General Information >> OEM General Information >> Functional Description - 1-Series >> Restraints System - Functional Description >> Seat-position sensor >> Structure and inner electrical connection
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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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