AUTOMATIC AIR CONDITIONING SYSTEM : Remote A/C Control: Description
WARNING: This page is about a different car, the 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
When the user selects remote A/C, VCM starts the A/C auto amp.. During remote A/C, the A/C auto amp. performs remote A/C control.
VCM ends remote A/C when it judges remote A/C end.
Fig 1: Remote A/C Control Circuit Diagram (Automatic Air Conditioning System)