DTC B1649/82: Rear Sensor Initialization Incomplete LH: Description

The circuit for the rear side collision sensor LH (to determine deployment of the rear window curtain shield airbag) is composed of the center airbag sensor assembly and rear airbag sensor LH.

The rear airbag sensor LH detects impacts to the vehicle and sends signals to the center airbag sensor assembly to determine if the airbag should be deployed.

DTC B1649/82 is recorded when a malfunction is detected in the circuit for the rear side collision sensor LH (to determine deployment of the rear window curtain shield airbag).

DTC No.	DTC Detection Condition	Trouble Area
B1649/82	When one of following conditions is met: The center airbag sensor assembly receives a line short circuit signal, an open circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the circuit for the rear side collision sensor LH (to determine deployment of the rear window curtain shield airbag) for 2 seconds. Side airbag sensor LH (for rear side) malfunction Rear airbag sensor LH malfunction Center airbag sensor assembly malfunction	Floor wire Side airbag sensor LH (for rear side) Rear airbag sensor LH Center airbag sensor assembly