DTC B1650-32: Occupant Classification System Malfunction [12/2012 - ]: Description

The occupant classification system circuit consists of the airbag sensor assembly and occupant detection ECU.

If the airbag sensor assembly receives signals from the occupant detection ECU, it determines whether the instrument panel passenger airbag, front seat airbag RH and front seat outer belt assembly should be operated.

DTC B1650/32 is stored when a malfunction is detected in the occupant classification system circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1650/32	Occupant Classification System Malfunction	One of the following conditions is met: An occupant classification system malfunction. The airbag sensor assembly detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to B+ signal in the occupant classification system circuit for 2 seconds. An airbag sensor assembly malfunction.	Floor wire Front seat wire RH Occupant detection ECU Airbag sensor assembly