DTC B1635/24: Rear Airbag Sensor LH Circuit Malfunction [10/2013 - ]: Description

The side collision sensor LH circuit (to determine deployment of the front seat airbag assembly LH, rear seat airbag assembly LH, curtain shield airbag assembly LH and front seat outer belt assembly LH) is composed of the airbag ECU assembly, side airbag sensor assembly LH, side No. 2 airbag sensor assembly LH and door side airbag sensor LH.

The side airbag sensor assembly LH, side No. 2 airbag sensor assembly LH and door side airbag sensor LH detect impacts to the vehicle and send signals to the airbag ECU assembly to determine if the airbags and pretensioner should be deployed.

DTC B1635/24 is stored when a malfunction is detected in the side collision sensor LH circuit.

DTC No.	DTC Detection Condition	Trouble Area
B1635/24	The airbag ECU assembly detects a line short, short to ground or B+, or an open in the side collision sensor LH circuit. Side airbag sensor assembly LH malfunction Side No. 2 airbag sensor assembly LH malfunction Door side airbag sensor LH malfunction Airbag ECU assembly malfunction	Floor wire Front door wire LH Side airbag sensor assembly LH Side No. 2 airbag sensor assembly LH Door side airbag sensor LH Airbag ECU assembly