WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 4WD Control System Circuit & Operation Schematic
Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: 4WD Control System Components & Functions Chart (1 Of 2)
Courtesy of SUZUKI OF AMERICA CORP.
Fig 3: 4WD Control System Components & Functions Chart (1 Of 2)