DTC B1233 Jam Protection Limit Switch Circuit on Passenger Door; DTC B1234 Jam Protection Pulse Switch Circuit on Passenger Door: Description

These DTCs are output when the passenger door power window regulator motor circuit is malfunctioning.

DTC DETECTION CONDITION CHART

DTC No.	DTC Detection Condition	Trouble Area
B1233	Open in limit switch of power window regulator motor (for passenger side)	Front power window regulator motor assembly RH (for passenger side) Multiplex network door ECU front RH (passenger door ECU) Wire harness
B1234	Open or short in pulse sensor of power window regulator motor (for passenger side)	Front power window regulator motor assembly RH (for passenger side) Multiplex network door ECU front RH (passenger door ECU) Wire harness