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.

DTC TROUBLE DETECTION CONDITION

DTC No.	DTC Detection Condition	Trouble Area
B1783	When one of following conditions is met: Occupant classification ECU detects line short signal, open signal, short to ground signal or short 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 wire RH Front seat RH (Rear occupant classification sensor RH) Occupant classification ECU