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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Occupant Classification System(for Gasoline Model): Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION The front passenger side buckle switch circuit consists of the occupant detection ECU and front passenger side buckle switch (front seat inner belt assembly RH). DTC B1771 is stored when a malfunction is detected in the front passenger side buckle switch circuit. DTC No. Detection Item D ...