DTC B1771: Passenger Side Buckle Switch Circuit Malfunction: Description

WARNING: This page is about a different variant/trim than selected.

The passenger side buckle switch circuit consists of the occupant detection ECU and front seat inner belt assembly RH.

DTC B1771 is stored when a malfunction is detected in the passenger side buckle switch circuit.

DTC No.	DTC Detection Condition	Trouble Area
B1771	The occupant detection 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 passenger side buckle switch circuit. Passenger side buckle switch malfunction Occupant detection ECU malfunction	Front seat wire RH Front seat inner belt assembly RH (Passenger side buckle switch) Occupant detection ECU

HINT:

When DTC B1650/32 is detected as a result of troubleshooting for the airbag system, check the DTCs stored in the occupant detection ECU. When DTC B1771 is output, perform troubleshooting for the DTC.