DTC B1793: Occupant Classification Sensor Power Supply Circuit Malfunction [09/2014 - 09/2020]: Description

The occupant classification sensor power supply circuit consists of the occupant detection ECU, front occupant classification sensor LH and rear occupant classification sensor LH.

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B1793	Occupant Classification Sensor Power Supply Circuit Malfunction	The occupant detection ECU detects a line short, or short to ground or B+ in the occupant classification sensor power supply circuit. Front occupant classification sensor LH malfunction Rear occupant classification sensor LH malfunction Occupant detection ECU malfunction	Front seat wire RH Front occupant classification sensor LH (Front seat adjuster assembly RH)* Rear occupant classification sensor LH (Front seat adjuster assembly RH)* Occupant detection ECU

*: The front occupant classification sensor LH and rear occupant classification sensor LH are built into the front seat adjuster assembly RH.