Belt tensioner (236D, 236P) (236RD, 236RP, certain markets)
Belt tensioner (236D, 236P) (236RD, 236RP, certain markets) |
Location |
Belt tensioner, driver (236D)
Belt tensioner, passenger (236P)
Belt tensioners, rear seat, driver's side (236RD) (for certain markets).
Belt tensioners, rear seat, passenger side (236RP) (for certain markets).
Main function |
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.
Type |
The compact belt tensioner is a part of the inertia reel consisting of an explosive charge, feeler gauge, filter and a torsion unit.
1. |
Detonator
|
2. |
Charge
|
3. |
Belt tensioner housing
|
4. |
Chamber
|
5. |
Steel band
|
Connection |
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.
The belt tensioner in the rear seat behind the driver (236RD) is connected to pin 45 (B+) and pin 46 ground.
The belt tensioner in the rear seat behind the passenger (236RP) is connected to pin 48 (B+) and pin 47 ground.