DTC B1231 Jam Protection Limit Switch Circuit on Driver Door; DTC B1232 Jam Protection Pulse Switch Circuit on Driver Door: Description
WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
These DTCs are output when the driver door power window regulator motor circuit is malfunctioning.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| B1231 | Open in limit switch of power window regulator motor (for driver side) |
|
| B1232 | Open or short in pulse sensor of power window regulator motor (for driver side) |
|