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

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

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

DTC B1649/82 is stored when a malfunction is detected in the rear airbag sensor LH.

DTC No.	DTC Detection Condition	Trouble Area
B1649/82	The airbag ECU 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 assembly LH malfunction Rear airbag sensor LH malfunction Airbag ECU assembly malfunction	Floor wire Side airbag sensor assembly LH Rear airbag sensor LH Airbag ECU assembly