System Operation

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

ASC-ECU sends the illumination signal of ABS warning light to the combination meter through ETACS-ECU via CAN communication.
When the ignition switch is turned ON, ASC-ECU illuminates the ABS warning light via ETACS-ECU for approximately 3 seconds for the purpose of bulb check.