DTC B1678-00: Scrap Recorded (Replace ECU): General Description
The airbag system control module (SRSCM: Supplemental Restraints System Control Module) records its airbag state on it after expanding airbags forcefully by using scrap tool.
This DTC is related to airbag-expanding at scrapping a car.
At this time, the record which airbags have been expanded by using a scrap tool is stored on SRSCM (ACU). But since the scrap tool is not developed yet, this function is not available.