DTC B1223/23: Front Passenger Door Power Window Switch Circuit Malfunction: DTC Detecting Condition
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1223/23 is used to notify technician how switch works. If DTC B1223/23 is not set when power window switch on front passenger door is operated, switch contacts are faulty. If DTC B1223/23 is set when power window switch on front passenger door is not operated, switch is stuck.