DTC B2221 Jam Protection Pulse Sensor Circuit on Back Door: Description

The back door ECU monitors the condition of the power window motor and detects the position of the door glass by using pulse signals output from the 2 pulse sensors in the power window motor.

DTC DETECTION CONDITION

DTC No.	DTC Detection Condition	Suspected Part
B2221	PLS pulse sensor circuit malfunction PLS2 pulse sensor circuit malfunction Pulse direction is opposite to motor rotating direction (Short circuit between PLS and PLS2) PLS and PLS2 pulse sensors circuit malfunction Fully closed position is misaligned	Power window regulator motor assembly LH (Back door) Wire harness