Heater Mode Control 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.

Mode Control Switch

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

Fig 1: Identifying Mode Control Switch Specification 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: Checking Illumination Lamp Lights

Courtesy of SUZUKI OF AMERICA CORP.