The BCM uses inputs from the parking brake switch and the brake warning switch to decide whether the brake warning lamp should be on or ofThe BCM then sends the proper message to the instrument cluster on the CCD data bus to turn the lamp on or of

• BCM使用从手煞车开关和煞车警告开关接收到的消息来确定煞车警示灯的开关状态。然后，BCM向位于克莱斯勒碰撞检测（ccd）资料母线上的仪表组发送相应的消息，打开或关闭煞车警示灯。