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.
SPECIAL TOOL SPECIFICATION
09918-78211 Radiator cap tester kit
Courtesy of SUZUKI OF AMERICA CORP.
09918-78220 Radiator cap tester adapter
Courtesy of SUZUKI OF AMERICA CORP.
SUZUKI scan tool (SUZUKI-SDT) - This kit includes following items.