DTC B1660/43: Passenger Airbag ON/OFF Indicator Circuit Malfunction [10/2014 - ]: Description

The passenger airbag ON/OFF indicator circuit consists of the airbag ECU assembly and radio and display receiver assembly*1 or navigation ECU sub-assembly*2.

The passenger airbag ON/OFF indicator indicates the operation condition of the front passenger airbag and front passenger side knee airbag.

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 detects a line short, short to ground or B+, or an open in the passenger airbag ON/OFF indicator circuit. Passenger airbag ON/OFF indicator malfunction Airbag ECU assembly malfunction	Instrument panel wire No. 2 Instrument panel wire Radio and display receiver assembly1 Navigation ECU sub-assembly2 Airbag ECU assembly

HINT:

The passenger airbag ON/OFF indicator is built into the radio and display receiver assembly.*1
The passenger airbag ON/OFF indicator is built into the navigation ECU sub-assembly.*2

*1: for Radio and Display Type

*2: for Navigation Receiver Type