DTC B1790 Center Airbag Sensor Assembly Communication Circuit Malfunction: Description

The center airbag sensor communication circuit consists of the occupant classification ECU and the center airbag Sensor.

DTC B1790 is recorded when a malfunction is detected in the center airbag sensor communication circuit.

DTC TROUBLE DETECTION CHART

DTC No.	DTC Detection Condition	Trouble Area
B1790	When one of following conditions is met: Occupant classification ECU detects line short signal, open signal, short to ground signal or short circuit to B+ signal in the center airbag sensor communication circuit for 2 seconds Center airbag sensor malfunction Occupant classification ECU malfunction	Floor wire No. 2 Occupant classification ECU Center airbag sensor