Mode Control Switch

WARNING: This page is about a different car, the 2003 Suzuki Vitara and 2002 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Check if continuity exists between each pair of terminals listed below when mode control button is pressed.
Mode control switch specification

Fig 1: Heater Mode Control Switch Chart
Courtesy of SUZUKI OF AMERICA CORP.
With battery voltage (+) connected to terminal "I" and (-) to terminal "F", press each mode control button and check if indicator lamp (2) lights.
With battery voltage (+) connected to terminal "A" and (-) to terminal "H", check if illumination lamp (2) lights.

Fig 2: Identifying Heater Mode Control Switch Terminals
Courtesy of SUZUKI OF AMERICA CORP.