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

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

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

DTC Code	DTC Detection Condition	Trouble Area
B1793	One of following conditions is met: Occupant classification ECU receives line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to +B signal in occupant classification sensor power supply circuit for 2 seconds Open circuit in occupant classification sensor wire harness Occupant classification ECU malfunction	Front seat frame with adjuster RH (Occupant classification sensors) Front seat wire RH Occupant classification ECU

HINT:

When DTC B1650/32 is detected as a result of troubleshooting the airbag system, perform troubleshooting for DTC B1793 of the occupant classification system.
Use a Techstream to check for DTCs of the occupant classification ECU, otherwise the DTCs cannot be read.