Self Diagnosis Function
WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.
Power window system is controlled by each door's power window ECU. If malfunction is detected by the ECU, DTC code is stored and is read through keyless start control module.
DTC code can be read if "Keyless Start" menu is selected with SUZUKI scan tool.