METHOD AND APPARATUS FOR PREVENTING COLLISION CAN ID IN VEHICLE DIAGNOSIS DEVICE

• Main Author: HWANG, HEE CHANG
• Format: Patent
• Language: English
• Published: 28.04.2008
• Subjects: CALCULATING; COMPUTING; COUNTING; DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES; PHYSICS; SIGNALLING; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR; TRAFFIC CONTROL SYSTEMS

A method and a device for preventing collision of a CAN(Controller Area Network) ID in a vehicle diagnosis device are provided to perform a vehicle diagnosis function when a diagnosis CAN ID is not found from a CAN bus for a predetermined search time if a vehicle diagnosis menu is selected in the vehicle diagnosis device. A CDMA(Code Division Modulation Access) module(31) performs NFC(Near Field Communication) by wirelessly connecting to a customer center providing various kinds of telematics services from a remote place. A memory(33) stores a remote vehicle diagnosis program, and various kinds of menus and state values for the telematics services. A microcomputer(34) searches a diagnosis CAN ID from a CAN bus through a CAN interface installed in a vehicle for a predetermined time when a vehicle diagnosis menu is selected. The microcomputer stops a vehicle diagnosis function when the diagnosis CAN ID is found, and performs the vehicle diagnosis function when the diagnosis CAN ID is not found. The microcomputer stores remote diagnosis state information received through the CAN interface to the memory, displays the information in a screen display unit(35), and transmits the information to the customer center through the CDMA module. An interface(36) receives each kinds of sensing signals and data by connecting with a CAN interface of the vehicle.