JP2009174924A - Diagnostic device, diagnostic system, diagnostic method, program, and recording medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a diagnostic device that allows an unskilled engineer to surely and simply point out the cause of an apparatus breakdown, also including cases where a display mounted on an automobile is out of order, a diagnostic system, a diagnostic method, a program, and a recording medium. <P>SOLUTION: When the engineer selects a part through a main menu screen 41 and then selects a phenomenon through a phenomenon menu screen, and a control part 12 causes a diagnostic screen to be displayed on a display part 14 for the selected part and phenomenon. When the engineer operates a "start" button 431 on the diagnostic screen 43, the control part 12 transmits an execution command to an audio navigation apparatus 20, to cause the command to be carried out. When an "OK" button is operated, the control part 12 causes the next yet-to-be-executed process to be carried out. When an "No good" button is operated, an explanatory screen is displayed on the display part 14. The engineer can determine a broken part and its cause, according to a procedure displayed on the explanation screen. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention relates to a diagnostic apparatus, a diagnostic system, a diagnostic method, a program, and a recording medium for diagnosing a failure of a device mounted on an automobile.
About.

  In addition to equipment related to driving and driving, automobiles are navigation equipment that guides the route to the destination, audio equipment for listening to music, video equipment for projecting video, or an audio navigation system in which these are integrated It is equipped with equipment (hereinafter referred to as “audio navigation equipment”).

  When a user of a car breaks down the device or feels it is malfunctioning, bring the car to a car dealer or a service factory and ask for investigation and countermeasures. To do. In an automobile dealer or service factory, an automobile engineer investigates the cause according to a failure diagnosis repair manual such as a vehicle repair document for diagnosing and repairing a failure.

  Audio navigation devices are composed of multiple devices such as navigation devices, audio devices, and video devices, and each device is also sophisticated and complex, and failure diagnosis and repair manuals are based on thousands of pages and more. It is configured. In addition, the information displayed on the failure diagnosis screen of the audio navigation device is encoded with signals, control information, and failure parts in each device. In addition, there is a case where the cause of the failure is pointed out incorrectly or the cause of the failure cannot be narrowed down unless it is a skilled engineer.

  If the cause of a failure is pointed out incorrectly, the part corresponding to the cause that was pointed out is replaced or repaired, but the part corresponding to the cause of the actual failure is not replaced or repaired. However, we will receive strong complaints from automobile users. Alternatively, if the cause of the failure cannot be narrowed down, the parts of all the parts that are considered to be the cause of the failure are replaced and dealt with. In this case, since the part corresponding to the cause of the failure has been replaced, the failure of the automobile can be repaired. However, since non-failed parts are also exchanged, it is necessary to perform an operation for identifying the part causing the failure from the exchanged parts. This work is performed by experts such as more skilled engineers or designers, but since the number of these engineers or experts is limited, it takes time to investigate the cause.

  There is a remote failure diagnosis server as a conventional technique that enables vehicle failure diagnosis and inspection without going to a service factory or the like. The remote failure diagnosis server transmits a failure location specifying program for specifying a failure location to the vehicle, and causes an in-vehicle computer mounted on the vehicle to execute the failure location specifying program. The failure location identification program sequentially displays screens for inducing failure diagnosis to the vehicle user on the in-vehicle display mounted on the vehicle, and the user selects the appropriate item from the items displayed on each screen. By doing so, the cause of the failure is investigated (for example, see Patent Document 1).

JP 2002-331884 A

  The conventional technology described above displays a screen for inducing failure diagnosis on an in-vehicle display mounted on a vehicle. However, if a failure symptom related to the display on the vehicle-mounted display occurs, the screen for guiding the failure diagnosis is not displayed, the failure diagnosis cannot be performed, and the display is considered to have failed, and the display or related equipment must be replaced. There are many engineers who implement it. Furthermore, in service factories, conventional engineers have to investigate the cause according to a vast number of failure diagnosis and repair manuals, and it is possible to point out the cause of failure or narrow down the cause of failure. There is a problem that it may not be possible.

  An object of the present invention is to provide a diagnostic device, a diagnostic system, and a diagnostic system, which can reliably and easily point out the cause of equipment failure, even when a display mounted on an automobile fails, including a failure of a highly skilled engineer. A diagnostic method, a program, and a recording medium are provided.

The present invention (1) is a diagnostic apparatus for diagnosing a diagnosis target device that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part.
Storage means comprising the instructions and representing processing information representing a series of processes for diagnosing each part and phenomenon information representing a failure phenomenon occurring in each part;
Selecting means for selecting phenomenon information of a phenomenon that has actually occurred from the phenomena indicated by the phenomenon information stored in the storage means;
Display means for displaying processing information associated with the phenomenon information selected by the selection means;
Instruction means for sequentially instructing execution of a sequence of processing instructions indicated by the processing information displayed by the display means one by one;
When execution of one of the series of processes indicated by the process information displayed by the display means is instructed by the instruction means, a communication line for predetermining the instruction of the instructed process to the diagnostic device is provided. And execution means for causing the diagnostic apparatus to execute the transmitted command,
Input means for inputting correct / incorrect information indicating whether or not the execution result of the instruction executed by the execution means is normal;
When the execution means indicates that the correct / incorrect information input by the input means is normal, the correct / incorrect information input by the input means indicates that it is not normal or all of the series of processes Until the execution of the command is completed, the next command of the series of processing is transmitted to the diagnostic device via a predetermined communication line, and the transmitted command is executed by the diagnostic device,
The display means is a diagnostic apparatus characterized in that, when the correct / incorrect information input by the input means indicates that the information is not normal, the display means further displays commentary information explaining the abnormal execution result.

Further, the present invention (2) includes a diagnostic device that is a diagnostic target composed of a plurality of parts that operate in response to a command for operating each part, and a diagnostic device that diagnoses the diagnostic device. A diagnostic system,
The diagnostic device comprises:
Storage means comprising the instructions and representing processing information representing a series of processes for diagnosing each part and phenomenon information representing a failure phenomenon occurring in each part;
Selecting means for selecting phenomenon information of a phenomenon that has actually occurred from the phenomena indicated by the phenomenon information stored in the storage means;
Display means for displaying processing information associated with the phenomenon information selected by the selection means;
Instruction means for sequentially instructing execution of a sequence of processing instructions indicated by the processing information displayed by the display means one by one;
When execution of one of the series of processes indicated by the process information displayed by the display means is instructed by the instruction means, a communication line for predetermining the instruction of the instructed process to the diagnostic device is provided. And execution means for causing the diagnostic apparatus to execute the transmitted command,
Input means for inputting correct / incorrect information indicating whether or not the execution result of the instruction executed by the execution means is normal;
When the execution means indicates that the correct / incorrect information input by the input means is normal, the correct / incorrect information input by the input means indicates that it is not normal or all of the series of processes Until the execution of the command is completed, the next command of the series of processing is transmitted to the diagnostic device via a predetermined communication line, and the transmitted command is executed by the diagnostic device,
When the display means indicates that the correct / incorrect information input by the input means is not normal, the display system further displays commentary information explaining the abnormal execution result.

Further, the present invention (3) is a diagnostic method for diagnosing a diagnosis target device that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part.
The phenomenon indicated by the phenomenon information stored in the storage unit that stores the processing information that includes the instructions and represents a series of processes for diagnosing each part and the phenomenon information that represents the phenomenon of the failure that occurs in each part A selection step for selecting phenomenon information of the phenomenon actually occurring from
A first display step for displaying processing information associated with the phenomenon information selected in the selection step;
An instruction step for sequentially instructing execution of a sequence of processing instructions indicated by the processing information displayed in the first display step one by one;
When execution of one of the series of processes indicated by the process information displayed in the first display step is instructed in the instruction step, a command for the instructed process is determined in advance in the diagnostic device. An execution step of transmitting via a communication line and causing the diagnostic device to execute the transmitted command;
An input step for inputting correct / incorrect information indicating whether or not the execution result of the instruction executed in the execution step is normal;
A second display step for displaying commentary information for explaining an abnormal execution result when the correct / incorrect information input in the input step indicates that the input is not normal; If the correct / incorrect information shown is normal, the series of processing is performed until the correct / incorrect information input in the input step indicates that it is not normal, or until execution of all instructions in the series of processes is completed. A diagnostic method is characterized in that the next command of the above process is transmitted to the device to be diagnosed via a predetermined communication line, and the transmitted command is executed by the device to be diagnosed.

Moreover, this invention (4) consists of the instruction | indication which operates each part of the several site | part which comprises the to-be-diagnosed apparatus which is a diagnostic object, Processing information showing a series of processes for diagnosing each site | part, and each site | part A selection step for selecting phenomenon information of a phenomenon that has actually occurred, from among the phenomena indicated by the phenomenon information stored in the storage unit that associates and stores the phenomenon information that represents the phenomenon of the failure that occurs in
A first display step for displaying processing information associated with the phenomenon information selected in the selection step;
An instruction step for sequentially instructing execution of a sequence of processing instructions indicated by the processing information displayed in the first display step one by one;
When execution of one of the series of processes indicated by the process information displayed in the first display step is instructed in the instruction step, a command for the instructed process is determined in advance in the diagnostic device. An execution step of transmitting via a communication line and causing the diagnostic device to execute the transmitted command;
An input step for inputting correct / incorrect information indicating whether or not the execution result of the instruction executed in the execution step is normal;
A program for causing a computer to execute a second display step for displaying commentary information for explaining an execution result indicated by the abnormal information when the correct / incorrect information input in the input step indicates abnormal Because
In the execution step, if the correct / incorrect information input in the input step indicates normal, the correct / incorrect information input in the input step indicates that it is not normal or all of the series of processes A program characterized by transmitting a command next to the series of processes to the diagnostic device via a predetermined communication line until execution of the command is completed and causing the diagnostic device to execute the transmitted command. is there.

  The present invention (5) is a computer-readable recording medium on which the program is recorded.

  According to the present invention (1), when diagnosing a diagnosis target device that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part, the storage unit includes the instructions. The processing information representing a series of processes for diagnosing each part and the phenomenon information representing the failure phenomenon occurring in each part are stored in association with each other, and the phenomenon information stored in the storage means by the selection means The phenomenon information of the phenomenon actually occurring is selected from the phenomena shown.

  Then, the processing means associated with the phenomenon information selected by the selection means is displayed by the display means, and a series of processing instructions indicated by the processing information displayed by the display means is executed by the instruction means. When the execution unit instructs to execute one of the series of processes indicated by the processing information displayed by the display unit by the execution unit, the instruction of the instructed processing is performed. Is transmitted to the device to be diagnosed via a predetermined communication line, and the transmitted command is executed by the device to be diagnosed.

  Further, correct / incorrect information indicating whether or not the execution result of the instruction executed by the executing means is normal is input by the input means, and the correct / incorrect information input by the input means is normal by the executing means. Indicates that the next instruction in the series of processes is not received until the correctness information input by the input means indicates that the information is not normal or until execution of all instructions in the series of processes is completed. When transmitted through a predetermined communication line to the diagnostic device, the transmitted command is executed by the diagnostic device, and the display means indicates that the correctness information input by the input means is not normal, The commentary information explaining the abnormal execution result is further displayed.

  Therefore, it is possible to guide and diagnose an engineer who is not highly skilled, including the case where a display mounted on a car breaks down, and the cause of the failure of a device connected to the AVC-LAN can be surely and easily performed. Can be pointed out.

  Further, according to the present invention (2), a diagnosis target device that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part is stored in a storage unit, a selection unit, a display unit, and an instruction. When diagnosing with a diagnostic device including means, execution means, and input means, the storage means comprises processing instructions representing a series of processes for diagnosing each part and a failure phenomenon occurring in each part. The phenomenon information is stored in association with each other, and the selection means selects the phenomenon information of the phenomenon actually occurring from the phenomena indicated by the phenomenon information stored in the storage means.

  Then, the processing means associated with the phenomenon information selected by the selection means is displayed by the display means, and a series of processing instructions indicated by the processing information displayed by the display means is executed by the instruction means. When the execution unit instructs to execute one of the series of processes indicated by the processing information displayed by the display unit by the execution unit, the instruction of the instructed processing is performed. Is transmitted to the device to be diagnosed via a predetermined communication line, and the transmitted command is executed by the device to be diagnosed.

  Further, correct / incorrect information indicating whether or not the execution result of the instruction executed by the executing means is normal is input by the input means, and the correct / incorrect information input by the input means is normal by the executing means. Indicates that the next instruction in the series of processes is not received until the correctness information input by the input means indicates that the information is not normal or until execution of all instructions in the series of processes is completed. When transmitted through a predetermined communication line to the diagnostic device, the transmitted command is executed by the diagnostic device, and the display means indicates that the correctness information input by the input means is not normal, The commentary information explaining the abnormal execution result is further displayed.

  Therefore, it is possible to guide and diagnose an engineer who is not highly skilled, including the case where a display mounted on a car breaks down, and the cause of the failure of a device connected to the AVC-LAN can be surely and easily performed. Can be pointed out.

  According to the present invention (3), when diagnosing a diagnosis target device that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part, the selection step includes: From among the phenomena indicated by the phenomenon information stored in the storage unit that stores the processing information representing a series of processes for diagnosing each part and the phenomenon information representing the phenomenon of the failure occurring in each part in association with each other Select the phenomenon information of the phenomenon that actually occurs.

  In the first display step, processing information associated with the phenomenon information selected in the selection step is displayed. In the instruction step, execution of a series of processing instructions indicated by the processing information displayed in the first display step is sequentially instructed one by one. In the execution step, when execution of one of the series of processes indicated by the process information displayed in the first display step is instructed in the instruction step, the instruction of the instructed process is transmitted to the diagnosis target The data is transmitted to the apparatus via a predetermined communication line, and the transmitted instruction is executed by the apparatus to be diagnosed.

  In the input step, correct / incorrect information indicating whether or not the execution result of the instruction executed in the execution step is normal is input. In the second display step, if the correct / incorrect information input in the input step indicates that it is not normal, explanatory information that explains the abnormal execution result is displayed. In the execution step, if the correct / incorrect information input in the input step indicates normal, the correct / incorrect information input in the input step indicates that it is not normal, or the series of processes Until execution of all the commands is completed, the next command of the series of processes is transmitted to the diagnostic device via a predetermined communication line, and the transmitted command is executed by the diagnostic device.

  Therefore, by applying the diagnostic method according to the present invention, it is possible to guide and diagnose an engineer who is not highly skilled, including a case where a display mounted on an automobile breaks down, and is connected to the AVC-LAN. The cause of equipment failure can be pointed out reliably and easily.

  Moreover, according to this invention (4), it can provide as a program for making a computer perform each step of the diagnostic method which concerns on this invention.

  Moreover, according to this invention (5), it can provide as a computer-readable recording medium which recorded the program for making a computer perform each step of the diagnostic method which concerns on this invention.

  FIG. 1 is a block diagram showing a system configuration of a diagnostic system 1 according to an embodiment of the present invention. The diagnostic system 1 includes a diagnostic tool 10, an audio navigation system device (hereinafter referred to as “audio navigation device”) 20, and an AVC-LAN (Audio Visual Communication-Local Area Network) 30. The diagnostic method according to the present invention is executed by a diagnostic tool 10 which is a diagnostic apparatus.

  The AVC-LAN 30 is a predetermined communication line, and is configured by, for example, an AVC-LAN. The AVC-LAN 30 connects the diagnostic tool 10 and the audio navigation device 20 so that information can be transmitted and received between the diagnostic tool 10 and the audio navigation device 20. To do.

  The audio navigation device 20 that is a diagnosis target device includes a plurality of parts, for example, a screen system device 201, an audio system device 202, an amplifier system device 203, a speaker (not shown), a connection unit (not shown), and the like. The connection part is, for example, a connector and a signal line.

  Of these parts, the remaining parts excluding the connection part, for example, the screen system device 201, the audio system device 202, the amplifier system device 203, and the speaker (not shown) respond to commands that are commands for operating each part, Individually operable. The audio navigation device 20 is instructed from the display screen of the audio navigation device 20 and can execute a diagnosis device diagnosis command for diagnosing the audio navigation device 20, but the command for operating each part is the diagnosis target. This is a command that can execute each operation of a plurality of operations based on a command at a level finer than the device diagnosis command, that is, the diagnosis device diagnosis command.

  FIG. 2 is a block diagram showing the configuration of the diagnostic tool 10. The diagnostic tool 10 includes a storage unit 11, a control unit 12, a communication unit 13, a display unit 14, and an operation unit 15. The storage unit 11 is configured by, for example, a semiconductor memory, and may include a large-capacity storage device such as a hard disk device as necessary.

  The storage unit 11 serving as a storage unit stores a control program for controlling the diagnostic tool 10 and data used for controlling the diagnostic tool 10. The data stored in the storage unit 11 includes part information representing the plurality of parts, the command, processing information representing a series of processes for diagnosing each part, and a failure phenomenon occurring in each part. Processing information is stored in association with the phenomenon information, including phenomenon information and commentary information that explains an abnormal execution result of the command.

  A series of processes for diagnosing each part indicated by the process information is a process in accordance with a confirmation procedure described in a failure diagnosis and repair manual such as a vehicle repair document for diagnosing and repairing a failure with conventional technology. Yes, processing by commands for more detailed diagnosis has been added. The phenomenon information and the explanation information include information described in the failure diagnosis and repair manual, and information by executing a command for more detailed diagnosis is also added.

  The control program stored in the storage unit 11 is a diagnostic program that realizes a diagnostic function for diagnosing the audio navigation device 20. This diagnostic program is a program for transmitting a command for performing a series of processing indicated by the processing information stored in the storage unit 11 to the audio navigation device 20 to be executed. The control unit 12 is constituted by, for example, a central processing unit (hereinafter referred to as “CPU”), and the diagnostic program stored in the storage unit 11 is executed by the CPU, whereby the communication unit 13, the display unit 14, and the operation are performed. The control part 15 is controlled and the diagnostic function with respect to the audio navigation apparatus 20 is implement | achieved.

  The communication unit 13 is connected to the AVC-LAN and transmits / receives information to / from the audio navigation device 20 connected to the AVC-LAN. Specifically, the communication unit 13 sends a command instructed from the control unit 12, for example, AVC-LAN standard that is a standard for communication between devices, or TABII or ATAPI that is a communication standard within each device. A command defined by a standard such as is transmitted to the audio navigation device 20 connected to the AVC-LAN. The display unit 14 is configured by a display device such as a liquid crystal display, for example, and displays information instructed from the control unit 12. The operation unit 15 that is an input unit, an instruction unit, and a second selection unit is configured by a device for inputting information, such as a keyboard and a mouse, and sends the input information to the control unit 12. The control unit 12, the display unit 14, and the operation unit 15 are selection units, the control unit 12 and the display unit 14 are display units and second display units, and the control unit 12 and the communication unit 13 are execution units. is there.

  FIG. 3 is a diagram illustrating an example of the main menu screen 41 displayed on the display unit 14. The main menu screen 41 is a screen displayed on the display unit 14 by the control unit 12 when the diagnostic program is started. The main menu screen 41 displays the title “audio / navigation system diagnosis tool” 411, “screen system diagnosis” button 412, “voice / audio system diagnosis” button 413, “operation command panel” button 414, “AVC-” A “LAN monitor” button 415 and a “end diagnosis” button 416 are provided.

  The “screen system diagnosis” button 412 is an operation button for selecting a screen system part as a part to be diagnosed. The “voice / audio system diagnosis” button 413 is an operation button for selecting a part of the voice / audio system. The screen system part is, for example, the screen system equipment 201, and the voice / audio system parts are, for example, the audio system equipment 202 and the amplifier system equipment 203, but these are not clearly classified, and other Some parts of the equipment may be included. In the example shown in FIG. 3, two operation buttons for selecting a screen part and a voice / audio part are shown as selectable parts. However, the buttons are not limited to two parts. If there is another part, an operation button corresponding to that part may be provided.

  When the “screen system diagnosis” button 412 is operated, a complaint phenomenon menu screen 42 shown in FIG. 4 for selecting a failure phenomenon occurring in the screen system part is displayed. When the “voice / audio system diagnosis” button 413 is operated, a complaint phenomenon menu screen (not shown) for selecting a failure phenomenon occurring in a voice / audio system part is displayed. The operation button can be operated, for example, by moving the pointer displayed on the screen to the position of the operation button and left-clicking the mouse.

  The “operation command panel” button 414 is an operation button for opening a screen for selectively instructing a command to be executed by the audio navigation device 20. The “AVC-LAN monitor” button 415 is an operation button for opening a screen for displaying history information such as a command executed in the past diagnosis and an execution result. The “diagnosis end” button 416 is an operation button for closing the main menu screen 41.

  As described above, the phenomenon information is associated with each part information representing each part, and the control unit 12 and the display unit 14 display the part information of a plurality of parts constituting the audio navigation device 20, and the operation information is displayed. The part 15 selects the part information of the part related to the phenomenon actually occurring from the parts indicated by the part information displayed by the control part 12 and the display part 14, and the control part 12 and the display part 14 Among the parts indicated by the part information displayed by the control unit 12 and the display part 14, a series of processes indicated by the processing information associated with the failure phenomenon of the part indicated by the part information selected by the operation part 15 is displayed. Therefore, the failure phenomenon can be narrowed down for each part.

  FIG. 4 is a diagram illustrating an example of the phenomenon menu screen 42 displayed on the display unit 14. The phenomenon menu screen 42 is a screen displayed on the display unit 14 by the control unit 12 when the “screen diagnosis” button 412 is operated on the main menu screen 41. The phenomenon menu screen 42 displays a title “claim phenomenon menu” 421, and includes a “black screen / screen color abnormality” button 422, anonymous operation buttons 423 to 426, and a “return” button 427.

  The “black screen / screen color abnormality” button 422 and the unnamed operation buttons 423 to 426 are operation buttons for selecting the same phenomenon as that actually occurring. In the example shown in FIG. The phenomenon is added only to the “black screen / screen color abnormality” button 422. Corresponding phenomena are added to the anonymous operation buttons 423 to 426, respectively, but are omitted in FIG. The “black screen / screen color abnormality” button 422 is an abnormal phenomenon related to the screen, for example, a phenomenon that the screen becomes a black screen and the display content is not understood, a phenomenon that noise appears on the screen, a phenomenon that the screen freezes, a touch panel This is an operation button for selecting an abnormal phenomenon related to the screen, such as a phenomenon that the operation of is not effective. The “return” button 427 is an operation button for closing the phenomenon menu screen 42 and returning to the main menu screen 41.

  The complaint phenomenon menu screen (not shown) for other parts other than the part of the screen system has the same configuration as the phenomenon menu screen 42 except that the operation buttons for selecting the phenomenon are different.

  FIG. 5 is a diagram illustrating an example of the diagnostic screen 43 displayed on the display unit 14. The diagnosis screen 43 is a screen displayed on the display unit 14 by the control unit 12 when an operation button for selecting a phenomenon is operated on the phenomenon menu screen 42. The diagnosis screen 43 includes a “start” button 431, a process display field 433, an “OK / next” button (hereinafter referred to as “OK” button) 434, an “NG” button 435, a comment field 437, and a “return” button 438. Comments 432 and 436 are displayed.

  The “start” button 431 is an operation button for instructing execution of the first process whose status is “unprocessed” in the series of processes displayed in the process display field 433. When the comment “<−” is pressed, Inspection begins. ”432 is added. The processing display column 433 includes two columns of “processing” and “status”. The “processing” column displays the cause of failure of the phenomenon selected by the operation button for selecting the phenomenon on the phenomenon menu screen 42. A series of processes for investigating is shown in the order of execution. The “status” column indicates the execution status of each process displayed in the “process” column, “unprocessed” indicates that the process has not yet been executed, and “processed” indicates the process. Indicates that has already been executed. When a series of processes cannot be displayed in the process display field 433, a scroll button is displayed on the right side of the process display field 433, and a process that is not displayed can be displayed by operating the scroll button.

  The “OK” button 434 is used when the engineer confirms the result of the process executed by the audio navigation device 20 by the audio navigation device 20 by operating the “start” button 431 and the result of the processing is normal. In addition, it is an operation button for sending correct / incorrect information indicating that the execution result is normal to the control unit 12. The “NG” button 435 is used when the engineer confirms the result of the process executed in the audio navigation device 20 by the audio navigation device 20 by operating the “start” button 431 and the result of the processing is not normal. , An operation button for sending correct / incorrect information indicating that the execution result is not normal to the control unit 12, and a comment “<-please press if there is an abnormality during the examination” 436.

  The comment field 437 is a comment indicating a confirmation item to be checked by the engineer when an unprocessed process to be executed next is executed, for example, “Please check whether a white image is displayed on the screen”, or This is a display field for displaying a comment “Please check whether sound is output from the speaker”. The “return” button 438 is an operation button for closing the diagnosis screen 43 and returning to the phenomenon menu screen 42.

  In the “processing” column of the processing display column 433 shown in FIG. 5, a series of processes when the “black screen / screen color abnormality” button 422 is operated are displayed. "White screen display", "----- [Pause] -----", "Black screen display", "----- [Pause] -----", "Red screen display" ”,“ ----- [Pause] ----- ”,“ Green ”,“ ----- [Pause] ----- ”,“ Blue ”,“- ---- [Pause] ----- "," Exit inspection mode "," ----- [Pause] ----- "," Display information screen "and" ----- “Pause” ----- ”is shown, and any“ status ”column is“ unprocessed ”. For example, “transition to inspection mode” is processing for transmitting a command for switching the audio navigation device 20 to the inspection mode to the audio navigation device 20 and switching the audio navigation device 20 to the inspection mode. “White screen display” is a process of displaying a white image on the screen. “----- [Pause] -----” indicates that the “Start” button 431 executes the next process of “----- [Pause] -----”. This is a process of pausing until operated. If there is no process “----- [pause] -----”, the next process is executed without pausing.

  FIG. 6 is a diagram illustrating an example of the explanation screen 44 displayed on the display unit 14. The explanation screen 44 is a screen displayed on the display unit 14 by the control unit 12 when the “NG” button 435 is operated on the diagnosis screen 43. The control unit 12 displays, on the commentary screen 44, commentary information on the execution result of the executed command that is not normal among the commentary information stored in the storage unit 11. On the explanation screen 44, a title “confirmation item” 441 and a comment “Check!” 442 are displayed, and a confirmation item display field 443, a part display field 444, a signal display field 445, and an OK button 446 are provided.

  The confirmation item display column 443 is a column for displaying items to be checked by the technician. The part display column 444 is a column for displaying a part to be checked by the engineer with a circuit diagram or the like. The signal display column 445 is a column for displaying information such as a figure of a terminal of a signal to be checked by an engineer, a signal waveform and a confirmation point, or a photograph. The OK button 446 is an operation button for completing confirmation, closing the explanation screen 44, and returning to the diagnosis screen 43.

  In the confirmation item display field 443 shown in FIG. 6, “When sound is produced, but the image is not displayed on the screen and is a black image-> the output from the audio H / U may not be transmitted to the display. Check the NTSC line. ”And“ If there is no sound and the video is not displayed on the screen and the screen is black.-> The output from the audio H / U is video / audio. Please check if the connector is properly engaged, the audio H / U power supply (BU / ACC) is normal, or the audio is playing a DVD. " Two confirmation items are displayed as an example. In the circuit display field 444 shown in FIG. 6, circuits related to the NTSC line are shown, and the parts to be confirmed are surrounded by a rectangle with rounded corners. In the signal display field 445, terminals for NTSC signals are displayed. The signal waveform / check point diagram or photo displayed in the signal display field 445 displays information such as the correct signal waveform diagram or photo, and the engineer can check whether there is an abnormality by comparing it with the actual signal waveform. Judgment can be made.

  FIG. 7 is a sequence diagram illustrating a processing procedure of processing performed by the diagnostic tool 10, the audio navigation device 20, and the engineer. When the diagnostic program stored in the storage unit 11 is activated, the process starts from the sequence S1.

  In the sequence S1, the diagnostic tool 10 displays the main menu screen 41 on the display unit 14. In sequence S <b> 2, the engineer selects an operation button corresponding to a corresponding part, that is, a part related to a phenomenon actually occurring from the operation buttons for selecting a part displayed on the main menu screen 41. Manipulate. In sequence S <b> 3, the operation unit 15 of the diagnostic tool 10 notifies the control unit 12 of the position of the operated operation button on the screen among the operation buttons displayed on the main menu screen 41. The control unit 12 displays a phenomenon menu screen of a part corresponding to the operation button at the position informed by the operation unit 15 on the display unit 14. For example, when the “screen diagnosis” button 412 is operated on the main menu screen 41, the phenomenon menu screen 42 is displayed.

  In sequence S4, the engineer selects and operates an operation button corresponding to a phenomenon that has actually occurred, that is, a phenomenon that has actually occurred, from operation buttons for selecting a phenomenon displayed on the phenomenon menu screen. In sequence S5, the operation unit 15 of the diagnostic tool 10 notifies the control unit 12 of the position of the operated operation button on the screen among the operation buttons displayed on the phenomenon menu screen. The control unit 12 displays a diagnosis screen of a phenomenon corresponding to the operation button at the position notified from the operation unit 15 on the display unit 14. For example, when the “black screen / screen color abnormality” button 422 is operated on the phenomenon menu screen 42, the diagnostic screen 43 is displayed, and “black screen / screen color abnormality” is displayed in the processing display field 433 of the diagnostic screen 43. A series of processes for diagnosing the failure of the phenomenon related to the button 422 is displayed. In sequence S <b> 6, the engineer confirms the process to be executed in the series of processes displayed in the process display field 433 of the diagnosis screen 43, and operates the “start” button 431.

  In sequence S <b> 7, the diagnostic tool 10 transmits the command of the first process among the unprocessed processes displayed in the process display field 433 of the diagnostic screen 43 to the audio navigation device 20. In sequence S8, the audio navigation device 20 receives the command transmitted from the diagnostic tool 10. In sequence S <b> 9, the audio navigation device 20 sends the received command to the portion corresponding to the command among the portions inside the audio navigation device 20 to be executed.

  In sequence S <b> 10, the engineer confirms whether or not the processing confirmed in sequence S <b> 6 has been normally executed by the audio navigation device 20. Then, the “OK” button 434 or “NG” button 435 displayed on the diagnosis screen 43 is operated according to the confirmed result. That is, if the execution result is normal, the “OK” button 434 is operated, and if the execution result is not normal, the “NG” button 435 is operated. In sequence S11, since the “OK” button 434 is operated on the diagnostic screen 43, the diagnostic tool 10 sets the “status” column of the executed process to “processed” and executes the next unprocessed process. Return to the sequence S7.

  In sequence S12, since the “NG” button 435 is operated on the diagnostic screen 43, the diagnostic tool 10 displays a comment screen 44 on the execution result of the executed command that is not normal on the display unit 14. In sequence S <b> 13, the engineer performs diagnosis according to the procedure displayed on the explanation screen 44. If there is no abnormality, the “OK” button 446 displayed on the explanation screen 44 is operated. If there is an abnormality, the process proceeds to sequence S15. In sequence S14, since the “OK” button 446 is operated on the explanation screen 44, the diagnostic tool 10 sets the “status” column of the executed process to “processed” and executes the next unprocessed process. Return to the sequence S7. In sequence S <b> 15, the engineer specifies a site and a cause having an abnormality. In sequence S16, the engineer replaces the specified part.

  FIG. 8 is a flowchart showing the procedure of the diagnostic process performed by the control unit 12. If the diagnostic program memorize | stored in the memory | storage part 11 is started, it will move to step A1.

  In step A1, the main menu screen 41 is displayed on the display unit 14. In step A2, it is determined whether any one of the operation buttons for selecting a part displayed on the main menu screen 41 has been operated. If any of the operation buttons is operated, the process proceeds to step A3, and if any of the operation buttons is not operated, the process returns to step A2. In step A3, the phenomenon menu screen of the part corresponding to the operated operation button is displayed on the display unit.

  In step A4, which is a selection step, it is determined whether any one of the operation buttons for selecting a phenomenon displayed on the phenomenon menu screen has been operated. If any of the operation buttons is operated, the process proceeds to step A5, and if any of the operation buttons is not operated, the process returns to step A4. In step A5 which is the first display step, a diagnosis screen 43 of a phenomenon corresponding to the operated operation button is displayed on the display unit 14. In step A6 as an instruction step, it is determined whether or not the “start” button 431 on the diagnosis screen 43 has been operated. When the “start” button 431 is operated, the process proceeds to step A7, and when the “start” button 431 is not operated, the process returns to step A6.

  In step A 7, which is an execution step, the command of the first process among the unprocessed processes displayed in the process display field 433 of the diagnosis screen 43 is transmitted to the audio navigation device 20. In step A8 as an input step, it is determined whether or not the “OK” button 434 or the “NG” button 435 displayed on the diagnosis screen 43 has been operated. If neither the “OK” button 434 or the “NG” button 435 is operated, the process returns to Step A8. When the “OK” button 434 is operated, the process proceeds to step A9, and when the “NG” button 435 is operated, the process proceeds to step A10.

  In step A9, the “status” column of the executed process is set to “processed”, and the process returns to step A7 to execute the next unprocessed process. In step A10, which is the second display step, an explanation screen 44 about the abnormal execution result of the executed command is displayed on the display unit. In step A11, it is determined whether or not the “OK” button 446 displayed on the explanation screen 44 has been operated. If the “OK” button 446 is not operated, the process returns to Step A11. If the “OK” button 446 is operated, the process proceeds to Step A9.

  As described above, when diagnosing the audio navigation device 20 that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part, the storage unit 11 includes the command, The process information representing a series of processes for diagnosing the phenomenon and the phenomenon information representing the failure phenomenon occurring in each part are stored in association with each other, and are stored in the storage unit 11 by the control unit 12, the display unit 14, and the operation unit 15. The phenomenon information of the phenomenon actually occurring is selected from the phenomena indicated by the stored phenomenon information.

  Then, the processing information associated with the phenomenon information selected by the control unit 12, the display unit 14, and the operation unit 15 is displayed by the control unit 12 and the display unit 14, and the control unit 12 and the display are displayed by the operation unit 15. Execution of a series of processing commands indicated by the processing information displayed by the unit 14 is sequentially instructed one by one and displayed by the control unit 12 and the communication unit 13 by the operation unit 15 and by the control unit 12 and the display unit 14. When execution of one of a series of processes indicated by the process information is instructed, a command for the instructed process is transmitted to the audio navigation device 20 via a predetermined communication line, and the transmitted command is transmitted to the audio navigation system. It is executed by the device 20.

  Further, correct / incorrect information indicating whether or not the execution result of the command executed by the control unit 12 and the communication unit 13 is normal is input by the operation unit 15, and input by the operation unit 15 by the control unit 12 and the communication unit 13. If the correct / incorrect information shown is normal, the series of processing is performed until the correct / incorrect information input by the operation unit 15 indicates normal or until execution of all commands in the series of processes is completed. The next command of the above process is transmitted to the audio navigation device 20 via a predetermined communication line, and the transmitted command is executed by the audio navigation device 20 and input by the operation unit 15 by the control unit 12 and the display unit 14. If the correct / incorrect information indicates that it is not normal, there is further commentary information that explains the abnormal execution result. It is shown.

  Therefore, it is possible to guide and diagnose an engineer who is not highly skilled, including the case where a display mounted on a car breaks down, and the cause of the failure of a device connected to the AVC-LAN can be surely and easily performed. Can be pointed out.

  Furthermore, the audio navigation device 20 that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part is stored in the storage unit 11, the control unit 12, the communication unit 13, the display unit 14, and the operation. When diagnosing with the diagnostic tool 10 including the unit 15, the storage unit 11 includes the command, processing information representing a series of processes for diagnosing each part, and phenomenon information representing a failure phenomenon occurring in each part, Are stored in association with each other, and the control unit 12, the display unit 14, and the operation unit 15 select the phenomenon information of the phenomenon actually occurring from the phenomena indicated by the phenomenon information stored in the storage unit 11. .

  Then, the processing information associated with the phenomenon information selected by the control unit 12, the display unit 14, and the operation unit 15 is displayed by the control unit 12 and the display unit 14, and the control unit 12 and the display are displayed by the operation unit 15. Execution of a series of processing commands indicated by the processing information displayed by the unit 14 is sequentially instructed one by one and displayed by the control unit 12 and the communication unit 13 by the operation unit 15 and by the control unit 12 and the display unit 14. When execution of one of a series of processes indicated by the process information is instructed, a command for the instructed process is transmitted to the audio navigation device 20 via a predetermined communication line, and the transmitted command is transmitted to the audio navigation system. It is executed by the device 20.

  Further, correct / incorrect information indicating whether or not the execution result of the command executed by the control unit 12 and the communication unit 13 is normal is input by the operation unit 15, and input by the operation unit 15 by the control unit 12 and the communication unit 13. If the correct / incorrect information shown is normal, the series of processing is performed until the correct / incorrect information input by the operation unit 15 indicates normal or until execution of all commands in the series of processes is completed. The next command of the above process is transmitted to the audio navigation device 20 via a predetermined communication line, and the transmitted command is executed by the audio navigation device 20 and input by the operation unit 15 by the control unit 12 and the display unit 14. If the correct / incorrect information indicates that it is not normal, there is further commentary information that explains the abnormal execution result. It is shown.

  Therefore, it is possible to guide and diagnose an engineer who is not highly skilled, including the case where a display mounted on a car breaks down, and the cause of the failure of a device connected to the AVC-LAN can be surely and easily performed. Can be pointed out.

  Further, in the flowchart shown in FIG. 8, in diagnosing the audio navigation device 20 that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part, in step A4, the command Of the phenomenon indicated by the phenomenon information stored in the storage unit 11 that stores the processing information representing a series of processes for diagnosing each part and the phenomenon information representing the failure phenomenon occurring in each part in association with each other. Select the phenomenon information of the phenomenon that actually occurs.

  In step A5, processing information associated with the phenomenon information selected in step A4 is displayed. In step A6, execution of a series of processing commands indicated by the processing information displayed in step A5 is sequentially instructed one by one. In step A7, when execution of one of the series of processes indicated by the process information displayed in step A5 is instructed in step A6, a command for the instructed process is determined in advance in the audio navigation device 20. The data is transmitted via the line, and the audio navigation device 20 executes the transmitted command.

  In step A8, correct / incorrect information indicating whether or not the execution result of the command executed in step A7 is normal is input. In step A10, if the correct / incorrect information input in step A8 indicates that it is not normal, comment information that explains the abnormal execution result is displayed. In step A7, if the correct / incorrect information input in step A8 indicates normality, the correct / incorrect information input in step A8 indicates that the correct / incorrect information indicates abnormal or all commands in the series of processes. Until the execution of is completed, the next command of the series of processes is transmitted to the audio navigation device 20 via a predetermined communication line, and the transmitted command is executed by the audio navigation device 20.

  Therefore, by applying the diagnostic method according to the present invention, it is possible to guide and diagnose an engineer who is not highly skilled, including a case where a display mounted on an automobile breaks down, and is connected to the AVC-LAN. The cause of equipment failure can be pointed out reliably and easily.

  Furthermore, it can provide as a program for making a computer perform each step of the diagnostic method which concerns on this invention.

  Furthermore, in the above-described embodiment, a program for causing a computer to execute each step of the diagnostic method according to the present invention, that is, a diagnostic program, is stored in the storage unit 11 of the diagnostic tool 10. It may be recorded on a possible recording medium, or may be downloadable from a homepage via the Internet or the like. The detachable recording medium is distributed from a manufacturer that sells the audio navigation device 20, for example. When the diagnostic program is installed in a personal computer of a store or a service factory, the personal computer can function as the diagnostic tool 10. When the diagnostic program is installed, an icon for starting the diagnostic program is displayed on the screen of the personal computer. The diagnostic program can be started by clicking this icon with the mouse.

  The detachable recording medium is, for example, a magnetic disk such as a flexible disk / hard disk or an optical disk such as a CD (Compact Disk) / DVD (Digital Versatile Disk) / Blu-ray disk, or an IC (Integrated Circuit) card / A card-type recording medium such as a memory card.

  Therefore, it can provide as a computer-readable recording medium which recorded the program for making a computer perform each step of the diagnostic method concerning the present invention.

It is a block diagram which shows the system configuration | structure of the diagnostic system 1 which is one Embodiment of this invention. 2 is a block diagram showing a configuration of a diagnostic tool 10. FIG. FIG. 4 is a diagram showing an example of a main menu screen 41 displayed on the display unit 14. FIG. 6 is a diagram showing an example of a phenomenon menu screen 42 displayed on the display unit 14. It is a figure which shows an example of the diagnostic screen 43 displayed on the display part. FIG. 6 is a diagram illustrating an example of a comment screen 44 displayed on the display unit 14. It is a sequence diagram which shows the process sequence of the process which the diagnostic tool 10, the audio navigation apparatus 20, and an engineer perform. It is a flowchart which shows the process sequence of the diagnostic process which the control part 12 performs.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Diagnostic system 10 Diagnostic tool 11 Storage part 12 Control part 13 Communication part 14 Display part 15 Operation part 20 Audio navigation apparatus 30 AVC-LAN
41 Diagnosis tool main menu screen 42 Complaint phenomenon menu 43 Diagnosis screen 44 Explanation screen 201 Screen system device 202 Audio system device 203 Amplifier system device

Claims (6)

A diagnostic apparatus for diagnosing a diagnosis target device that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part,
Storage means comprising the instructions and representing processing information representing a series of processes for diagnosing each part and phenomenon information representing a failure phenomenon occurring in each part;
Selecting means for selecting phenomenon information of a phenomenon that has actually occurred from the phenomena indicated by the phenomenon information stored in the storage means;
Display means for displaying processing information associated with the phenomenon information selected by the selection means;
Instruction means for sequentially instructing execution of a sequence of processing instructions indicated by the processing information displayed by the display means one by one;
When execution of one of the series of processes indicated by the process information displayed by the display means is instructed by the instruction means, a communication line for predetermining the instruction of the instructed process to the diagnostic device is provided. And execution means for causing the diagnostic apparatus to execute the transmitted command,
Input means for inputting correct / incorrect information indicating whether or not the execution result of the instruction executed by the execution means is normal;
When the execution means indicates that the correct / incorrect information input by the input means is normal, the correct / incorrect information input by the input means indicates that it is not normal or all of the series of processes Until the execution of the command is completed, the next command of the series of processing is transmitted to the diagnostic device via a predetermined communication line, and the transmitted command is executed by the diagnostic device,
The diagnostic device according to claim 1, wherein when the correct / incorrect information input by the input device indicates that the correct / incorrect information is not normal, the display device further displays commentary information explaining an abnormal execution result. The phenomenon information is associated with each part information representing each part,
Second display means for displaying part information of a plurality of parts constituting the diagnostic apparatus;
A site selection unit that selects site information of a site related to a phenomenon that has actually occurred from the site indicated by the site information displayed by the second display unit;
The display means indicates processing information associated with a failure phenomenon of the part indicated by the part information selected by the part selection means among the parts indicated by the part information displayed by the second display means. The diagnostic apparatus according to claim 1, wherein a series of processes is displayed. A diagnostic system that includes a diagnostic device that is a diagnostic target composed of a plurality of parts that operate in response to a command for operating each part, and a diagnostic device that diagnoses the diagnostic device,
The diagnostic device comprises:
Storage means comprising the instructions and representing processing information representing a series of processes for diagnosing each part and phenomenon information representing a failure phenomenon occurring in each part;
Selecting means for selecting phenomenon information of a phenomenon that has actually occurred from the phenomena indicated by the phenomenon information stored in the storage means;
Display means for displaying processing information associated with the phenomenon information selected by the selection means;
Instruction means for sequentially instructing execution of a sequence of processing instructions indicated by the processing information displayed by the display means one by one;
When execution of one of the series of processes indicated by the process information displayed by the display means is instructed by the instruction means, a communication line for predetermining the instruction of the instructed process to the diagnostic device is provided. And execution means for causing the diagnostic apparatus to execute the transmitted command,
Input means for inputting correct / incorrect information indicating whether or not the execution result of the instruction executed by the execution means is normal;
When the execution means indicates that the correct / incorrect information input by the input means is normal, the correct / incorrect information input by the input means indicates that it is not normal or all of the series of processes Until the execution of the command is completed, the next command of the series of processing is transmitted to the diagnostic device via a predetermined communication line, and the transmitted command is executed by the diagnostic device,
When the display means indicates that the correct / incorrect information input by the input means is not normal, the diagnostic system further displays commentary information for explaining the abnormal execution result. A diagnostic method for diagnosing a diagnosis target device that is a diagnosis target composed of a plurality of parts that operate in response to a command for operating each part,
The phenomenon indicated by the phenomenon information stored in the storage unit that stores the processing information that includes the instructions and represents a series of processes for diagnosing each part and the phenomenon information that represents the phenomenon of the failure that occurs in each part A selection step for selecting phenomenon information of the phenomenon actually occurring from
A first display step for displaying processing information associated with the phenomenon information selected in the selection step;
An instruction step for sequentially instructing execution of a sequence of processing instructions indicated by the processing information displayed in the first display step one by one;
When execution of one of the series of processes indicated by the process information displayed in the first display step is instructed in the instructing step, a command for the instructed process is determined in advance in the diagnostic device. An execution step of transmitting via a communication line and causing the diagnostic device to execute the transmitted command;
An input step for inputting correct / incorrect information indicating whether or not the execution result of the instruction executed in the execution step is normal;
A second display step for displaying commentary information that explains the result of the execution that is not normal when the correct / incorrect information input in the input step indicates that the input is not normal; If the correct / incorrect information shown is normal, the series of processing is performed until the correct / incorrect information input in the input step indicates that it is not normal, or until execution of all instructions in the series of processes is completed. A diagnostic method comprising: transmitting a command next to the process to the diagnostic device via a predetermined communication line, and causing the diagnostic device to execute the transmitted command. Process information that represents a series of processes for diagnosing each part and a phenomenon that represents a failure phenomenon that occurs in each part. A selection step of selecting phenomenon information of a phenomenon that has actually occurred from the phenomenon indicated by the phenomenon information stored in the storage unit that associates and stores the information;
A first display step for displaying processing information associated with the phenomenon information selected in the selection step;
An instruction step for sequentially instructing execution of a sequence of processing instructions indicated by the processing information displayed in the first display step one by one;
When execution of one of the series of processes indicated by the process information displayed in the first display step is instructed in the instruction step, a command for the instructed process is determined in advance in the diagnostic device. An execution step of transmitting via a communication line and causing the diagnostic device to execute the transmitted command;
An input step for inputting correct / incorrect information indicating whether or not the execution result of the instruction executed in the execution step is normal;
A program for causing a computer to execute a second display step for displaying commentary information for explaining an execution result indicated by the abnormal information when the correct / incorrect information input in the input step indicates abnormal Because
In the execution step, if the correct / incorrect information input in the input step indicates normal, the correct / incorrect information input in the input step indicates that it is not normal or all of the series of processes A program that transmits a command next to the series of processes to the diagnostic device via a predetermined communication line until the command execution is completed, and causes the diagnostic device to execute the transmitted command.   A computer-readable recording medium on which the program according to claim 5 is recorded.