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    • 15. 发明专利
    • VEHICLE DIAGNOSTIC APPARATUS
    • JPH10253502A
    • 1998-09-25
    • JP5341097
    • 1997-03-07
    • HONDA MOTOR CO LTD
    • TAKAKURA TAKASHIAIBA HIROYUKI
    • G01M17/007B60S5/00
    • PROBLEM TO BE SOLVED: To enable shortening of the time required for switching of machine types, by transferring programs for diagnosis between a plurality of portable type diagnostic units. SOLUTION: A host computer 3 transmits data, programs and the like necessary for diagnosing electronic controllers (ECU) mounted on vehicles C to testers 2 being a plurality of portable type diagnosing units connected to the respective ECUs. The testers transmit diagnosis data to the computer 3 and the testers 2 specify the machine type of the relevant ECU based on the type of the vehicle or the type of the vehicle, which is read from a barcode BC by a scanner 22 and demand the computer 3 for a diagnosing program corresponding to the machine type of the ECU requiring the current diagnosis when the machine type of the ECU requiring the diagnosis is different from that receiving immediately before. The computer 3 switches the handling of the diagnosing program only to the reception of diagnosis data until a demand for a different diagnosing data is given after the transmission to the first data 2, for instance. On the other hand, the second tester 2 demands the first tester 2 for a necessary diagnosing program by the switching of the machine type. This diagnosing program is transferred sequentially to the third and fourth testers.