DTC B1783: Rear Occupant Classification Sensor RH Circuit Malfunction: Description

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

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

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. Rear occupant classification sensor RH malfunction. Occupant classification ECU malfunction.	Front seat assembly RH1 or Front seat frame with adjuster assembly RH2 (Rear occupant classification sensor RH) Occupant classification ECU Front seat wire RH

*1: for TMMC Made

*2: for TMC Made

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 is output, perform troubleshooting for the DTC.