DTC B1656/38: Seat Belt Buckle Switch LH Circuit Malfunction [03/2017 - 04/2020]: Description

The seat belt buckle switch LH circuit consists of the airbag ECU assembly and front seat inner belt assembly LH (seat belt buckle switch LH).

DTC B1656/38 is stored when a malfunction is detected in the seat belt buckle switch LH circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
B1656/38	Seat Belt Buckle Switch LH Circuit Malfunction	The airbag ECU assembly detects a line short, short to ground or B+, or an open in the seat belt buckle switch LH circuit. Front seat inner belt assembly LH (seat belt buckle switch LH) malfunction Airbag ECU assembly malfunction	Floor wire Front seat inner belt assembly LH (seat belt buckle switch LH) Airbag ECU assembly	Comes on	Not applicable