Test the motor in each direction by connecting battery power and ground at the rear power window switch connector (A) according to the table. When the motor stops running, disconnect battery power immediately.

If the motor does not run or fails to run smoothly, remove the rear door regulator, go to step 2.

Test the rear power window motor (A) by connecting battery power and ground according to the table. When the motor stops running, disconnect battery power immediately.

If the motor does not run or fails to run smoothly, the rear power window motor is faulty; replace the rear door regulator.

If the motor runs smoothly, replace the wire harness or adjust the rear door glass.