Without Using SUZUKI Scan Tool

WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch OFF.
Using service wire (2), connect diagnosis switch terminal of diagnosis monitor coupler (1) to body ground (3).
With connection described in above Step 2 maintained, turn ignition switch ON.

Fig 1: Identifying Body Ground, Blower Unit, Service Wire & Monitor Coupler
Courtesy of SUZUKI OF AMERICA CORP.
Repeat disconnecting and reconnecting of service wire between diagnosis switch terminal and body ground 5 times or more at about 1 sec. interval within 10 seconds.

Fig 2: Identifying Blinking Pattern
Courtesy of SUZUKI OF AMERICA CORP.
After completing the clearance, turn ignition switch OFF and disconnect service wire from monitor coupler.