Circuit Operation
WARNING: This page is about a different car, the 2006 Mitsubishi Montero. However, it is still accessible from the selected car via links, so may be relevant.
If the active skid control switch is turned on, current flows from the M-ASTC-ECU terminal 78 through the active skid control switch to ground. If the active skid control switch is turned off, current flows from the M-ASTC-ECU terminal 85 through the active skid control switch to ground.