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.
Connect the oscilloscope special patterns pick-up to the generator "B" terminal.
Fig 1: Connecting Oscilloscope Special Patterns Pick-Up To Generator B Terminal