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: Electronic Control System Wiring Circuit Diagram
Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: Terminal Arrangement Of ECM (PCM) Connector (Viewed From Harness Side)