DTC B1653: Driver Side Seat Position Sensor [11/2018 - 02/2019]: Description

WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

The front seat adjuster assembly LH (seat position airbag sensor) circuit consists of the airbag ECU assembly and front seat adjuster assembly LH (seat position airbag sensor).

DTC B1653 is stored when a malfunction is detected in the front seat adjuster assembly LH (seat position airbag sensor) circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Test Mode / Check Mode
B1653	Driver Side Seat Position Sensor	One of the following conditions is met: The airbag ECU assembly detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to B+ signal in the front seat adjuster assembly LH (seat position airbag sensor) circuit for 2 seconds. A front seat adjuster assembly LH (seat position airbag sensor) malfunction. An airbag ECU assembly malfunction.	Floor wire Front seat inner belt assembly LH Front seat adjuster assembly LH (seat position airbag sensor) Airbag ECU assembly	Comes on	Not applicable