Brake Fluid Level Switch Check
WARNING: This page is about a different car, the 2005 Mitsubishi Montero. However, it is still accessible from the selected car via links, so may be relevant.
The brake fluid level switch is in good condition if there is No continuity when the float surface is above the "MIN" line and if there is continuity when the float surface is below the "MIN" line.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.