DTC B1793: Occupant Classification Sensor Power Supply Circuit Malfunction: Description

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The occupant classification sensor power supply circuit consists of the occupant detection ECU and occupant classification sensors.

DTC B1793 is stored when a malfunction is detected in the occupant classification sensor power supply circuit.

DTC No.	DTC Detection Condition	Trouble Area
B1793	The occupant detection ECU receives a line short circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the occupant classification sensor power supply circuit. Front occupant classification sensor LH malfunction Front occupant classification sensor RH malfunction Rear occupant classification sensor LH malfunction Rear occupant classification sensor RH malfunction Occupant detection ECU malfunction	Front seat wire RH Separate type front seat cushion spring assembly (4 occupant classification sensors) Occupant detection ECU

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 B1793 is output, perform troubleshooting for the DTC.