A/C Switch Indicator Lamp and Air Intake Switch Indicator Lamp Check

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

Turn ignition switch to ON position.
Select blower speed selector (1) to any position except OFF position.
Perform the followings. If faulty is found, replace panel unit of HVAC control module with new one referring to HVAC Control Module Removal and Installation and HVAC Control Module (Panel Unit / Board Unit) Disassembly and Assembly .

Fig 1: A/C Switch Indicator Lamp and Air Intake Switch Indicator Lamp Check

Courtesy of SUZUKI OF AMERICA CORP.

Make sure if A/C switch indicator lamp (2) flashes on and off by pushing A/C switch (3) repeatedly.
Make sure if air intake switch indicator lamp (4) flashes on and off by pushing air intake switch (5) repeatedly.
Check for continuity of internal circuit referring to HVAC Control Module Inspection .