Belt contact (70D/70P)
The purpose of the sensor is to determine if the seat-belt buckle is fastened or unfastened. Using information from the seat-belt buckle sensors and seat position sensors, the airbag control module determines how the belt tensioner detonation circuits should be activated and activates the seat-belt warning in the MIU and the SID. See Control Module information.
The seat-belt buckle sensors consist of a Hall sensor containing a circuit board and a magnet.
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Hall sensor
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The driver's seatbelt buckle is supplied with voltage B+ to pin 1 from control module pin 9. The signal from seatbelt buckle pin 2 is connected to pin 10 on the control module.
The passenger seatbelt buckle is supplied with voltage B+ to pin 1 from control module pin 12. The signal from seatbelt buckle pin 2 is connected to pin 11 on the control module.
