DTC B1783 Rear Occupant Classification Sensor RH Circuit Malfunction: Description

WARNING: This page is about a different car, the 2008 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

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 DETECTION CONDITION CHART

DTC No.	DTC Detection 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 6+ signal in the rear occupant classification sensor RH circuit for 2 seconds. Rear occupant classification sensor RH malfunction. Occupant classification ECU malfunction.	Front seat assembly RH (Rear occupant classification sensor RH) Floor wire No. 2 Occupant classification ECU

HINT:

When DTC B1650/32 is detected as a result of troubleshooting for the AIRBAG SYSTEM, check the DTCs stored in the occupant classification ECU. When DTC B1783 in output, perform troubleshooting for the DTC.