DTC B1790: Center Airbag Sensor Assembly Communication Circuit Malfunction [11/2015 - 06/2017]: Description

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

DTC B1790 is stored when a malfunction is detected in the airbag sensor assembly communication circuit.

DTC No.	DTC Detection Condition	Trouble Area
B1790	The occupant detection ECU 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 airbag sensor assembly communication circuit. Occupant detection ECU malfunction Airbag sensor assembly malfunction	Floor wire Front seat wire RH Occupant detection ECU Airbag sensor assembly

HINT:

When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant detection ECU. When DTC B1790 is output, perform troubleshooting for the DTC.