July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
DTC Detection Logic
WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
DTC
Display contents of CONSULT
DTC detecting condition
Possible cause
B1209
FRONTAL COLLISION DETECTION
Seat belt pre-tensioner, driver side air bag and passenger air bag are deployed