A/C Switch Inspection

WARNING: This page is about a different car, the 2004 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Press A / C button (2) and check if there is continuity between terminals "D" and "G".
With battery voltage (+) connected to terminal "K" and (-) to terminal "D", press A/C button (2) and check if indicator lamp (3) lights.

Fig 1: Identifying A/C Button And Indicator Lamp

Courtesy of SUZUKI OF AMERICA CORP.