Compressor Clutch
WARNING: This page is about a different car, the 2001 Suzuki Swift and 2000 Suzuki Swift. However, it is still accessible from the selected car via links, so may be relevant.
A/C switch, coolant temperature switch and dual-pressure switch control magnetic clutch on A/C compressor. When engine is running, compressor clutch is engaged, allowing compressor to operate according to signals sent by A/C amplifier.