DTC B2119 Windshield Defog Relay Failure: General Description

FAM is a part of BCM with DDM, ADM, IPM, RAM, IMS and Cluster module. Each part of BCM is connected to one another through CAN communication line for efficient communication. Those modules control front/rear, driver/passenger seat, cluster with electrical signal and they share information with other modules. FAM (Front Area Module) set up at engine room controls various lamps (fog lamp, head lamp, stop lamp, turn signal lamp), wiper and performs system error checking as well. Received wind shield defogger switch signal from IPM through CAN line, FAM controls wind shield defogger.