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 recorded when a malfunction is detected in the occupant classification sensor power supply circuit.

DTC DETECTION CONDITION AND TROUBLE AREA REFERENCE CHART

DTC Code	DTC Detection Condition	Trouble Area
B1793	When one of following conditions is met: Occupant classification ECU detects line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to B+ signal in the occupant classification sensor power supply circuit for 2 seconds Occupant classification ECU malfunction	Front seat wire RH Front seat RH (Occupant classification sensors) Occupant classification ECU