DTC Troubleshooting: B1125, B1126

DTC B1125: Driver's Power Window Motor A Pulse Error DTC B1126: Driver's Power Window Motor B Pulse Error

1. Open and close the driver's power window by using the driver's switch manually.

1. While the power window moving, select the TEST MODE MENU from the HDS and enter the DATA LIST.

1. Check the EXIST/NONE information of the P/W PLSA (B1125) or P/W PLSB (B1126) in the DATA LIST.

Do the information indicators EXIST?

YES | - | Replace the power window master switch.■
NO | - | Go to Step 4 .

1. Refer to the power window master switch input test, check for continuity between the driver's power window motor 6P connector and the power window master switch 23P connector.

Are all the wire harnesses OK?

YES | - | Substitute a known-good power window master switch, and recheck. If DTC is gone, the original master switch is faulty; replace it. If the DTC is still indicated, replace the driver's power window motor.■
NO | - | Repair a short or an open in the wire.■