Here are the connectors, pins and signals for L200/Triton (2005 - 2015) original basic head unit :
https://pinoutguide.com/Car-Stereo-Mitsubishi/Mitsubishi_W698_Head_Unit_pinout.shtml
If I'm not mistaken, that 14-pin connector in your hand seems to be the 14-pin Mitsubishi head unit proprietary connector (P901) for speakers, antenna power, illumination and battery.
Although you can buy wiring harness adapters for that 14-pin proprietary connector, it doesn't seem to be the connector that is used for CANBUS.