WARNING: This page is about a different car, the 2017 Mitsubishi Lancer, 2016 Mitsubishi Lancer, and 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Wireless Control Module - System Diagram (Lancer)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
For 2016:
Fig 2: Wireless Control Module - System Diagram (Lancer) (2016)