Table 1. Communication Table Sender Receiver Signal Line Spoiler control ECU assembly Combination meter assembly Active rear wing system permission/prohibition signal Active rear wing system malfunction signal Active rear wing assembly position signal Spoiler control switch operation prohibition display request signal CAN ECM Spoiler control ECU assembly Driving mode signal CAN Skid control ECU (Brake actuator assembly) Spoiler control ECU assembly Vehicle speed signal Vehicle speed signal valid/invalid signal CAN Main body ECU (Multiplex network body ECU) Spoiler control ECU assembly Luggage compartment door status signal CAN Combination meter assembly Spoiler control ECU assembly Active rear wing system ON/OFF setting selection operation signal CAN