Inspection Procedure 4: ABS warning light does not illuminate when ignition switch is turned to the ON position (engine stopped): Operation

ASC-ECU sends the illumination request signal of the ABS warning light to the combination meter through ETACS-ECU via CAN communication.
ASC-ECU illuminates the ABS warning light via ETACS-ECU for approximately 3 seconds for valve check with the ignition switch turned to the ON position.