DTC B2221: Jam Protection Pulse Sensor Circuit on Back Door [08/2019 - ]: 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 Code |
DTC Detection Condition |
Suspected Part |
| B2221 |
- PLS1 pulse sensor circuit malfunction
- PLS2 pulse sensor circuit malfunction
- Pulse direction is opposite to motor rotating direction (Short circuit between PLS1 and PLS2)
- PLS1 and PLS2 pulse sensors circuit malfunction
- Fully closed position is misaligned
|
- Back door Power window regulator motor assembly
- Back door ECU
- Harness or connector
|