WARNING: This page is about a different car, the 2004 Suzuki Verona. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Overheats Diagnosis Chart
Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: Loss Of Coolant Diagnosis Chart
Courtesy of SUZUKI OF AMERICA CORP.
Fig 3: Engine Fails To Reach Normal Operating Temperature Or Cool Air From The Heater Diagnosis Chart