DTC B1660/43: Passenger Airbag ON/OFF Indicator Circuit Malfunction [11/2014 - ]: Description

The passenger airbag ON/OFF indicator circuit consists of the airbag ECU assembly and air conditioning control assembly (passenger airbag ON/OFF indicator).

The passenger airbag ON/OFF indicator indicates the operation condition of the front passenger airbag, front passenger side knee airbag and front seat belt pretensioner RH.

DTC B1660/43 is stored when a malfunction is detected in the passenger airbag ON/OFF indicator circuit.

DTC No.	DTC Detection Condition	Trouble Area
B1660/43	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 passenger airbag ON/OFF indicator circuit. Air conditioning control assembly malfunction Airbag ECU assembly malfunction	Instrument panel wire Air conditioning control assembly (Passenger airbag ON/OFF indicator) Airbag ECU assembly