Belt pretensioner (236D, 236P)
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Belt pretensioner (236D, 236P)
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The belt tensioner pulls the belt taut during the event of a collision, reducing forward movement of the driver or passenger. Additionally, force limiters release the belt according to a controlled sequence.
The compact belt tensioner is a part of the inertia reel consisting of an explosive charge, feeler gauge, filter and a torsion unit.
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1.
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Detonator
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3.
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Belt tensioner housing
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The driver's side belt pretensioner is connected to pin 20 (B+) and pin 21 (ground) on the airbag control module.
The passenger side belt pretensioner is connected to pin 23 (B+) and pin 22 (ground) on the airbag control module.
