DTC B1783 Rear Occupant Classification Sensor RH Circuit Malfunction: Description

The rear occupant classification sensor RH circuit consists of the occupant classification ECU and the rear occupant classification sensor RH.

DTC B1783 is recorded when a malfunction is detected in the rear occupant classification sensor RH circuit.

REAR OCCUPANT CLASSIFICATION SENSOR RH CIRCUIT MALFUNCTION

DTC No.	DTC Detecting Condition	Trouble Area
B1783	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 rear occupant classification sensor RH circuit for 2 seconds. Rear occupant classification sensor RH malfunction Occupant classification ECU malfunction	Front seat back assembly RH (Rear occupant classification sensor RH) Occupant classification ECU Front seat wire RH