DTC B1790: Center Airbag Sensor Assembly Communication Circuit Malfunction (2006/10-): Description

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

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

DTC DETECTION CONDITION TABLE

DTC No.	DTC Detecting Condition	Trouble Area
B1790	The occupant classification 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 center airbag sensor assembly communication circuit for 2 seconds. Center airbag sensor assembly malfunction Occupant classification ECU malfunction	Occupant classification ECU Center airbag sensor assembly Floor wire No. 2 Front seat wire RH (for Power seat)