9-3 XWD (9440) L4-2.0L Turbo (B207R) (2009)
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.