JP2001294137A - Method of automatically displaying guideline for maintenance and repair for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To diagnose trouble in an automobile, and to automatically display a maintenance and repair guideline corresponding to a failure item based on a diagnostic result diagnosed therein. SOLUTION: Information as to an automobile maker, a type of the automobile and a kind of an ECU is input into a diagnostic instrument to diagnose the automobile (s100), and the diagnostic result is transmitted to a personal computer (s200). The maintenance and repair guideline corresponding to the transmitted result is read based on a data base in the personal computer (s300), to output the guideline by a display.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for automatically displaying a vehicle diagnosis guideline, and more particularly to all types of diagnostic equipment for diagnosing by selecting a vehicle type and an ECU type. And a method of connecting and displaying them.

[0002]

2. Description of the Related Art In recent years, automobile systems have become more complicated as their functions have increased, and as a result, maintenance of automobiles has also become more difficult and complicated. Maintenance training for car maintenance technicians is also limited and cannot meet expectations.

[0003] Therefore, in the era of the development of personal computer communication and the Internet as in today, there has been a need for a method that can immediately obtain necessary maintenance guidelines using such technology each time. I have.

[0004] Considering the reality of the workplace, a maintenance technician can select and search for necessary information directly by hand.
It is convenient that the maintenance guide for the failure be connected to the diagnostic system so that it can be automatically selected and obtained.

[0005] Not only is it practically impossible to provide all kinds of maintenance guidelines at the equipment site, but it is also impossible to memorize all the maintenance details even if educated hard. .

[0006] Therefore, until now, it has been necessary to separately establish a maintenance shop for each automobile company, and it has been difficult to perform accurate maintenance at a general second- or third-grade automobile maintenance shop that is not a designated first-grade automobile maintenance factory. . On the other hand, the trend of the times has been toward internationalization, and the types of automobiles are also becoming increasingly diverse, so that a method that can be used to maintain various types of vehicles at a single maintenance shop was needed.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to diagnose a failure of an automobile and, based on a result of the diagnosis, perform maintenance corresponding to a defective item. The purpose is to provide a way to automatically display the guidelines.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention comprises the steps of diagnosing a vehicle by inputting information about a vehicle manufacturer, a vehicle type and an ECU type into a diagnostic device. Transmitting a diagnosis result to a personal computer, reading a maintenance guidebook corresponding to the diagnostic result transmitted from a database built in the personal computer, and outputting the read maintenance guidebook on a display device. This is a method for automatically displaying an automobile maintenance guideline.

Here, the diagnostic device is one of a scanner, an oscilloscope and a tune-up device, and the maintenance guideline preferably includes a guideline for repair, technical data, and contents for a parts catalog.

[0010] The steps of reading the maintenance guide book include searching for the vehicle maker concerned, searching for the corresponding model of the searched vehicle maker, searching for the corresponding part of the searched vehicle type, and determining the lower parts of the searched for the relevant part. And a searching step.

Here, the corresponding parts are ECU, TCU and AB
S should be included.

The step of diagnosing the vehicle with the scanner includes checking the ID of the scanner to set a communication protocol between the ECU and the scanner. When the ID is confirmed, the scanner uses the fault code to determine whether the vehicle has failed. Diagnosing.

The present invention also provides a step of diagnosing a vehicle by inputting information on a vehicle maker, a vehicle type and an ECU type to a diagnostic device, transmitting a diagnosis result to a server connected through a network, Reading the maintenance guide book corresponding to the diagnosis result transmitted from the database on the side, transmitting the read maintenance guide book to the client, and outputting the transmitted maintenance guide book to the display device. This is a method for automatically displaying an automobile maintenance guideline.

Here, the diagnostic device is one of a scanner, an oscilloscope, and a tune-up device, and the maintenance guideline desirably includes a guideline for repair, technical data, and contents for a parts catalog.

The steps of reading the maintenance guidebook include searching for the vehicle maker concerned, searching for the corresponding vehicle type of the searched vehicle maker, searching for the corresponding part of the searched vehicle type, and determining the lower parts of the searched for the relevant part. And a searching step.

Here, the corresponding parts are ECU, TCU and AB
S, the network is a personal computer communication network, WAN,
It may include the Internet and LAN.

The step of diagnosing a car with a scanner is an EC
Preferably, the method includes a step of confirming the ID of the scanner to set a communication protocol between the U and the scanner, and a step of diagnosing the failure of the vehicle using the failure code when the ID is confirmed.

[0018]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a flowchart of a method for automatically displaying an automobile maintenance guideline according to an embodiment of the present invention. As shown in the drawing, the method for automatically displaying a vehicle maintenance guideline according to an embodiment of the present invention includes a vehicle manufacturer, a vehicle type, and an ECU (electronic).
s100 for diagnosing the vehicle by inputting information corresponding to the type of control unit, s200 for transmitting the diagnostic result to the personal computer, and s200 corresponding to the transmitted diagnostic result from the database constructed in the personal computer. The method includes a step s300 of reading the maintenance guidebook and a step s400 of outputting the read maintenance guidebook on a display device.

Step s300 for reading the maintenance guide book.
Is a step 320 of searching for the car maker, a step s340 of searching for a corresponding model of the searched car maker, a step s360 of searching for a corresponding part of the searched model, and a step of searching for a lower part of the searched part. s380.

[0020] The maintenance guideline described above includes a guideline for repair, technical data and a part catalog (part catalog).
log).

The above-mentioned corresponding parts are ECU, TCU and ABS.
And diagnosing the vehicle with the scanner s100 includes:
The method includes a step s120 of confirming an ID of the scanner to set a communication protocol between the ECU and the scanner, and a step s140 of diagnosing a failure of the vehicle using the failure code when the ID is confirmed.

FIG. 2 is a general block diagram of a system for performing self-diagnosis through a scanner. A connector 150 is connected to the ECU 100, and reads a value detected by the sensor from the sensor 200 through the connector.
As a result, the control value is output to the actuator 300. The connector is connected to the scanner 400 through a three-core cord. The scanner has a diagnostic code,
It has a function to output service data and actuator forced drive command data.

FIG. 4 is a block diagram of a system for performing self-diagnosis through a black box. That is, the ECU 1
ECU 100 through a connector 150 connected to the ECU 100
Is for inputting and outputting data, and is connected to the black box 700.

In this embodiment, the database is installed inside the personal computer. The diagnostic device is one of a scanner, an oscilloscope, and a tune-up device.

FIG. 5 is a flowchart of a method for automatically displaying an automobile maintenance guide according to an embodiment of the present invention. As shown, another embodiment of the present invention provides a diagnostic device with an automobile manufacturer,
A step s1100 of diagnosing the vehicle by inputting information on the type of the vehicle and the type of the ECU, and a step s of transmitting the diagnostic result to a server connected through a network
1200, and reading the maintenance guide corresponding to the transmitted diagnosis result from the server-side database s130.
0, transmitting the read maintenance guidebook to the client, step s1400, and outputting the transmitted maintenance guidebook on a display device, s1500.

In this embodiment, the diagnostic device is preferably one of a scanner, an oscilloscope, and a tune-up device. The maintenance guide includes a workshop manual, a parts catalog, a maintenance guide, and technical data.

Step s1300 of reading the maintenance guide book
Includes a step s1320 of searching for the vehicle maker, a step s1340 of searching for a model of the vehicle maker,
A step s1360 of searching for a corresponding part of the searched model, a step s1380 of searching for a lower part of the searched part,
Hopefully it comprises.

The step s1100 of diagnosing the vehicle with the scanner is a step s11 of confirming the ID of the scanner to set a communication protocol between the ECU and the scanner.
20 and step s1140 where the scanner diagnoses the failure of the vehicle using the failure code when the ID is confirmed.

FIG. 6 is a view showing an example of a process of searching for the maintenance guide according to the embodiment of the present invention. First, select "Hyundai Motor" as a manufacturer, and select "1999 Sonata III" from various models produced by Hyundai Motor. Next, the fault location is ECU, TCU, ABS
The ECU is selected from among the above, and in the subitem of the ECU item, an air flow sensor (air fl sensor) is selected from various sensors.
ow sensor). Then, the corresponding maintenance guideline is displayed on the display device as shown in FIGS. Of course, the output maintenance guideline can be stored in a hard disk or the like as an example of the storage means of the client.

FIG. 7 is included in the maintenance guideline for a case where a failure of the air flow sensor and a diagnosis result are obtained. FIG. 2 shows an external connection diagram of an air flow sensor assembler and a connection state diagram of an air flow sensor connector and an ECU.
In the drawing, the drawing on the lower left side shows the connection terminal on the ECU side,
The drawing in the lower right part shows the connection terminal on the air flow sensor side.

FIG. 3 is a block diagram of a system according to an embodiment of the present invention using the Internet. However,
In this embodiment, the network is the Internet, LAN
And WAN.

While the preferred embodiment of the present invention has been described with reference to the accompanying drawings, the present invention is not limited to such an example. It is obvious that those skilled in the art can conceive various changes or modifications within the scope of the technical idea described in the claims, and these naturally belong to the technical scope of the present invention. It is understood.

[0033]

As described above in detail, according to the present invention, it is possible to provide a method of diagnosing a vehicle failure and automatically displaying a maintenance guideline corresponding to a defective item based on the diagnosis result. it can.

A maintenance guide corresponding to a failure diagnosis result obtained from a result of diagnosis through all existing diagnostic means can be automatically read from a database built in the computer and displayed. The failure diagnosis result required in the present invention can be obtained using all existing diagnosis techniques including a scanner.

The database storing the maintenance guidelines can be installed in a server connected to the Internet, or can be built in the personal computer itself.

Further, according to the present invention, it is possible to automatically and easily obtain what has been carried out with the vast maintenance guidebook of the prior art, so that manpower and costs can be saved, and time can be saved considerably. Then, maintenance guidelines for all types of vehicles can be easily obtained.

[Brief description of the drawings]

FIG. 1 is a flowchart of a method for automatically displaying an automobile maintenance guideline according to an embodiment of the present invention.

FIG. 2 is a configuration diagram of a system that performs self-diagnosis via a scanner.

FIG. 3 is a configuration diagram of a system according to an embodiment of the present invention using the Internet.

FIG. 4 is a configuration diagram of a system that performs a self-diagnosis via a black box.

FIG. 5 is a flowchart of a method for automatically displaying an automobile maintenance guideline according to an embodiment of the present invention.

FIG. 6 is an exemplary view showing a process of searching for the maintenance guide according to the embodiment of the present invention.

FIG. 7 is another example of the maintenance guide according to the embodiment of the present invention.

FIG. 8 is another exemplary view of the maintenance guide according to the embodiment of the present invention.

FIG. 9 is another example of the maintenance guide according to the embodiment of the present invention.

FIG. 10 is another example of the maintenance guide according to the embodiment of the present invention.

FIG. 11 is another example of the maintenance guide according to the embodiment of the present invention.

[Explanation of symbols]

 100: ECU 150: Connector 200: Sensor 300: Actuator 400: Scanner 500: Server 600: Client

Claims (13)

[Claims] 1. A step of diagnosing a vehicle by inputting information on a vehicle maker, a vehicle type and an ECU type into a diagnostic device, transmitting the diagnosis result to a personal computer,
A step of reading a maintenance guide book corresponding to the transmitted diagnosis result from a database built in a personal computer; and outputting the read maintenance guide book on a display device. Display method. 2. The method according to claim 1, wherein the diagnostic device is one of a scanner, an oscilloscope and a tune-up device. 3. The maintenance guide book includes a repair guide,
3. The method for automatically displaying an automobile maintenance guide according to claim 1, wherein the method includes technical data and contents for a parts catalog. 4. The step of reading the maintenance guideline includes a step of searching for the car maker, a step of searching for a corresponding model of the searched car maker, a step of searching for a corresponding part of the searched car maker, 4. The method according to claim 1, further comprising the step of searching for a lower part of the corresponding part. 5. The ECU according to claim 5, wherein the corresponding parts are an ECU, a TCU, and an AB.
5. The method according to claim 4, further comprising the step of: 6. The step of diagnosing the vehicle with the scanner includes the step of confirming the ID of the scanner to set a communication protocol between the ECU and the scanner, and when the ID is confirmed, the scanner uses the fault code to identify the vehicle. Diagnosing a failure. 7. A method for diagnosing a vehicle by inputting information on a vehicle manufacturer, a vehicle type and an ECU type to a diagnostic device, transmitting the diagnosis result to a server connected through a network, Reading a maintenance guide corresponding to the transmitted diagnosis result from a database, transmitting the read maintenance guide to a client, and outputting the transmitted maintenance guide to a display device. A method for automatically displaying automobile maintenance guidelines. 8. The method according to claim 7, wherein the diagnostic device is one of a scanner, an oscilloscope, and a tune-up device. 9. The maintenance guideline includes a repair guideline,
9. The method for automatically displaying an automobile maintenance guide according to claim 7, wherein the method includes technical data and contents for a parts catalog. 10. The step of reading the maintenance guide book includes the steps of searching for the vehicle maker, searching for a corresponding model of the searched vehicle maker, searching for a corresponding part of the searched model, 10. The method for automatically displaying an automobile maintenance guide according to claim 7, further comprising a step of searching for a lower part of the corresponding part. 11. The said corresponding parts are ECU, TCU and A
The method for automatically displaying a vehicle maintenance guideline according to claim 10, further comprising a BS. 12. The method according to claim 1, wherein the network includes a personal computer communication network, a WAN, the Internet, and a LAN. 13. The step of diagnosing the vehicle with the scanner includes the steps of: confirming the ID of the scanner to set a communication protocol between the ECU and the scanner; and, when the ID is confirmed, the scanner uses the failure code to identify the vehicle. 9. The method for automatically displaying a vehicle maintenance guideline according to claim 8, further comprising the step of diagnosing a failure.