JP2003285701A - Vehicle diagnosis system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that such an actual feeling is poor that a device performs failure diagnosis because information simply related to a failure portion is superimposed and displayed on a three-dimensional vehicle display. <P>SOLUTION: This vehicle diagnosis system comprises diagnosis means for storing the diagnosis results of a plurality of diagnosis object portions of a vehicle, vehicle image display means for displaying the semi-sight-through image of the vehicle, scanning means for moving a sectional diagnosis plane across the semi-sight-through image displayed by the vehicle image display means, diagnosis object portion display means for displaying in preset colors one of the diagnosis object portions, when corresponding to the diagnosis plane moved by the scanning means, and failure portion display means for displaying in different colors one of the diagnosis object portions displayed by the diagnosis object portion display means, when determined to be in failure in accordance with the diagnosis results stored in a memory. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle diagnostic system for visually displaying on a display such as a liquid crystal monitor the failure information of devices such as electric components provided in various parts of a vehicle.

[0002]

2. Description of the Related Art Conventionally, as this type, for example, there is one disclosed in Japanese Unexamined Patent Publication No. 5-112161. That is, this is to display the vehicle on a display in a bird's-eye view manner, and to superimpose information relating to the failed part on the three-dimensionally displayed display image of the vehicle. Then, by rotating the displayed image of the displayed vehicle around a predetermined coordinate axis, it is possible to easily recognize the position of the corresponding portion even when there is a plurality of pieces of information related to the failure portion. Further, by displaying the failure portion with a zoom function, detailed information and various failure information are displayed in an easy-to-understand manner. This makes it possible to quickly and easily determine the information related to the failed part.

[0003]

However, in the above-mentioned device, since the information concerning the failed portion is simply displayed on the three-dimensional vehicle display image, the device fails. There was a problem that I couldn't really feel that I was doing a diagnosis, and I didn't have a sense of presence. Further, since the display image of the vehicle is not transparently displayed, there is a problem that it is difficult to know which part of the vehicle the failure part is.

The present invention has been made in order to solve the above-mentioned problems, and gives the driver a sense of realism by displaying the realism that the device is making a diagnosis, and the failure portion The purpose is to display the position on the vehicle image so that it is easy for anyone to understand.

[0005]

According to a first aspect of the present invention, a diagnosis means for diagnosing a failure of each of a plurality of diagnosis target parts of a vehicle and storing the diagnosis result in a memory, and an image of the vehicle are displayed semi-transparently. Vehicle image display means, scanning means for forming a diagnostic plane in a wheel-sliced state intersecting the semi-transparent image of the vehicle displayed by the vehicle image display means, and moving the diagnostic plane in accordance with the image of the vehicle; When any of the display positions of the diagnosis target part matches the diagnosis surface moved by the scanning means, and any one of the diagnosis target parts has a failure based on the diagnosis result stored in the memory. When it is determined that the vehicle diagnosis system includes a failure site display unit that displays the site to be diagnosed located on the diagnosis surface in a specific display state.

According to a second aspect of the present invention, a vehicle image display means for semi-transparently displaying an image of a vehicle and a diagnostic surface in a wheel-cut state intersecting with the semi-transparent image of the vehicle displayed by the vehicle image display means are formed, and Scan means for moving the diagnosis surface in accordance with the image of the vehicle, failure diagnosis means for performing failure diagnosis of the diagnosis target portion of the vehicle according to the display position of the diagnosis surface moved by the scanning means, and the failure diagnosis When a failure is diagnosed by the means, the vehicle diagnosis system is provided with a failure part display means for displaying a part on the diagnosis surface corresponding to the part to be diagnosed that has a failure in a specific display state. .

A third aspect of the invention is a vehicle image display means for semi-transparently displaying an entire image of a vehicle, and a group of fault diagnosis of a plurality of diagnosis target parts of the vehicle, from one end of the vehicle to the other end. According to the failure diagnosis means to be performed and the failure diagnosis for each group in the failure diagnosis means, a scan for displaying while moving the diagnosis plane in a wheel-cutting state intersecting the semi-transparent image of the vehicle displayed by the vehicle image display means And a diagnostic site display unit for displaying the diagnostic target site in a predetermined display color when the display position of the diagnostic target site matches the display position of the diagnostic surface moved and displayed by the scanning unit, and the diagnostic site. When the diagnosis target portion displayed in a predetermined display state on the display means is diagnosed as a failure based on the failure diagnosis means, the display state is changed to another display state, and the failure portion display means is displayed. It is for the Ete become a vehicle diagnostic system.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. Embodiment 1. 1 is a circuit block showing a specific configuration of a vehicle diagnostic system according to a first embodiment of the present invention. Reference numeral 1 denotes a diagnosis target part of the vehicle, which is specifically a headlight 1a, a tail lamp 1b, a winker 1c, a door switch 1d and the like. Numeral 2 is a diagnostic means which, when power is supplied, supplies a diagnostic current to each of the headlight 1a, the tail lamp 1b, the winker 1c, the door switch 1d, etc. only for a predetermined time after that, and it is normal or not. Automatically, and the judgment result, that is, disconnection,
Whether or not a failure such as a short circuit has occurred is stored in the diagnostic result memory means 3. The diagnostic result memory means 3 also stores the diagnostic result automatically sent from the part to be diagnosed 1 side, for example, the unit side such as an airbag control unit, using a signal line such as a LAN line. ing.
These units automatically enter the diagnosis mode when the power is turned on, and the diagnosis is completed before the apparatus of the present application is operated, and is stored in the diagnosis result memory means 3.

As described above, the diagnosis result memory means 3 includes the headlight 1a and the tail lamp 1 of the diagnosis target portion 1.
b, winker 1c, door switch 1d, etc. are stored, and each of headlight 1a, tail lamp 1b, winker 1c, door switch 1d, etc. constituting the diagnosis target part 1 has a plurality of scan plane images described later. The number of scan plane images 20a to 20d or 20e of the serial numbers N assigned to 20a to 20e is stored as a comparison table, and the number of scan planes from the display control unit 9 described later is stored. When an instruction as to whether or not the one corresponding to the images 20a to 20e is necessary is received, the diagnosis result of the diagnosis target region 1 corresponding to the instruction is selected and output.

For example, the first scan plane image 20a
For the right head lamp, the left head lamp, the right small lamp, the left small lamp, and the like, and for the second scan plane image 20b, the diagnosis result for the right front tire, the left front tire, and the like, Th scan plane image 20c
The diagnostic results of the airbag controller unit, the right mirror, the left mirror, etc. are shown for, and the right door switch, the left door switch, and the like for the fourth scan plane image 20d.
The diagnosis results of the right rear tire, the left rear tire, and the like are associated with the fifth scan plane image 20e, such as the right rear small lamp and the left rear small lamp.

Numeral 4 is a diagnostic surface for turning the vehicle into a wheel-slipping state (indicated by a grid in FIGS. 3A to 3E,
Hereinafter, this will be referred to as scan plane images 20a to 20e), and the number of the scan plane images 20a to 20e is the same as the number of the vehicle in the wheel slice state. The serial number N is attached to 20e. Further, when the number of the scan plane images 20a to 20e is designated by the display image reading means 8 which will be described later, the scan plane images 20a to 20d or 20e to which the designated serial number N is attached are selected and output.

A vehicle image memory means 5 is shown in FIG.
As shown in (e), three-dimensional perspective images 21a to 21e of the vehicle when the vehicle is viewed from one direction such as side and rear are stored in the same number as the number of the scan plane images 20a to 20e. It should be noted that each of the vehicle images 21a to 21e of the stereoscopic perspective image stored in the vehicle image memory means 5 is stored with the same serial number N as the serial number N given to the scan plane images 20a to 20e. .

A part image memory means 6 includes a right head lamp, a left head lamp, and
Right small lamp, left small lamp, right front tire pressure unit, left front tire pressure unit, airbag controller unit, right mirror, left mirror, right door switch, left door switch, right rear tire, left rear tire,
It stores parts images 22a to 22f that are similar to the right rear small lamp and the left rear small lamp.
Those part images 22a to 22f are the scan plane images 20a to 20f stored in the scan plane image memory means 4.
It is grouped and stored which one of the serial numbers N attached to 20e corresponds.

Reference numeral 7 denotes an image control means for instructing a display image reading means 8 to be described later by sequentially increasing the serial number N of the scan plane images 20a to 20e from 1 at a constant time interval. When the display image reading means 8 is supplied with the serial number N of the scan plane images 20a to 20e from the image control means 7, the display plane reading means 8 outputs the scan plane image memory means 4 from the scan plane image memory means 4.
Scan plane image 20a corresponding to the supplied serial number N
.About.20d or 20e, the vehicle images 21a to 21e corresponding to the same serial number N are read from the vehicle image memory means 5, and the diagnosis target region 1 corresponding to the same serial number N is read from the parts image memory means 6 as well. Select the parts images 22a-22f of the group
Each is supplied to the display controller 9.

Reference numeral 9 denotes a display control device, which is part images 22a to 22f, scan surface images 20a to 20d, and vehicle images 21a to 21 supplied from the display image reading means 8.
e is superimposed and displayed on the display device 10, and the part images 22a to 22f of the diagnosis target part 1 corresponding to the scan plane images 20a to 20 are displayed in a predetermined display color, for example, gray. The display control device 9 is pre-diagnosed and stored in the diagnosis result memory means 3 based on the part images 22a to 22f of the selected diagnosis target part 1 supplied from the display image reading means 8. When the diagnosis result is read and there is an abnormality such as a failure, the display color of the part images 22a to 22f is changed to another display color, for example, red, and is displayed on the display device 10 to notify.

Next, the operation of the above structure will be described according to the flow chart shown in FIG. When the power is turned on or jumps from other programs, step S
When proceeding to T100, a menu screen displaying a plurality of icons including icons for enabling selection of the function of failure diagnosis is displayed, and then proceeds to step ST110. When the process proceeds to step ST110, the diagnosis means 2 includes the headlight 1a, the tail lamp 1b, and the taillight 1b which constitute the diagnosis target portion 1.
A diagnostic current is supplied to each of the winker 1c, the door switch 1d, and the like to perform a failure diagnosis of normality, and the determination result, that is, the presence or absence of disconnection, short circuit, or the like is stored in the diagnostic result memory means 3. At the same time, the supply of the diagnostic result independently performed by another unit is also the diagnostic result memory means 3.
Remember it.

Next, when the process proceeds to step ST120, it waits until an icon for selecting the function of the failure diagnosis is selected from the plurality of icons on the menu screen,
When the icon is selected, the process proceeds to step ST130, and the image control means 7 performs addition for sequentially updating the serial numbers N of the scan plane images 20a to 20e from 1. Then, in the next step ST140, the value N of the addition result for displaying the new scan plane images 20a to 20e corresponding to the value N of the addition result in step ST130 is supplied to the display image reading means 8.

In step ST150, the display image reading means 8 obtains the scan plane images 20a to 20e based on the value N of the addition result supplied from the image control means 7, that is, having the serial number N that matches the value of the addition result. From the scan plane image memory means 4 and also from the vehicle image 21a.
21e from the vehicle image memory means 5 and further from the parts image memory means 6 from the group parts image 20a.
20 f is selected and supplied to the display control device 9. Thereby, the display controller 9 displays the supplied image on the display 1
Supply 0 and display.

In step ST160, step ST1
Of the diagnosis results stored in the diagnosis result memory means 3 in 10, the diagnosis result of the diagnosis target part 1 corresponding to the part images 20a to 20f displayed this time is read, and in the next step ST170, the read diagnosis. It is judged whether or not there is failure data in the result. If there is no failure data, the process proceeds to step ST180, and it is determined whether the value of the addition result is the maximum value of the serial number N. If it is not the maximum value, the process returns to step ST130 and the above is performed until the maximum value is reached. Each step ST is repeated. When the maximum value is reached, the process proceeds to step ST190 and ends.

If it is determined in step ST170 that there is failure data, step ST200
In step ST180, after the display color of only the part image of the diagnosis target part 1 corresponding to the failure data among the diagnosis target parts 1 displayed this time on the display 10 is displayed in red, the process proceeds to step ST180.

In the above structure, when the program of the CPU 11 starts to operate, the first screen to the fifth screen are sequentially displayed at regular time intervals as shown in FIGS. Next, the first screen to the fifth screen will be described in order.

(First screen) This is the image corresponding to the serial number 1 in the image control means 7, and the grid-shaped scan plane image 20a is located at the front end of the vehicle image 21a when the vehicle is viewed obliquely from the left front. Is displayed (see FIG. 3A). Then, the scan plane image 20a in this state intersects with the front end of the vehicle image 21a, and the vehicle becomes an image display in a wheel-slipping state, and the right head lamp, the left head lamp, the right small lamp, and the left small lamp are the failure diagnosis target parts 1. For lamps and the like, the part to which they are attached is displayed in gray, and if any of them has failure data, only that part is displayed in red.

(Second screen) The vehicle image becomes an image 21b which is slightly rotated rightward with respect to the first screen, and the scan plane image 20 is displayed.
"b" is displayed at the rear end position of the engine room, and the rear end portion of the engine room is diagnosed as a wheel-slip state (see FIG. 3B). Corresponding to the scan plane image 20b in this state, the right front tire, the left front tire, and the like of the failure diagnosis target portion 1 are displayed in gray, and if there is failure data in any of them, only that portion turns red. Is displayed.

(Third screen) The vehicle image is rotated rightward from the second screen to an image 21c seen from the side, and the scan plane image 20c is displayed in the center of the vehicle, and the center of the vehicle is diagnosed as a wheel-slipping state. It As a result, parts images of the airbag controller unit, right mirror, left mirror, right door switch, left door switch, etc. are displayed in gray, and if any one of them has failure data, only that part is displayed in red. (See FIG. 3C).

(Fourth screen) The vehicle image is further rotated rightward from the third screen to become an image 21d seen from the left rear, and the scan plane image 20d is moved to the rear end of the vehicle compartment and displayed. The rear end is diagnosed as a sliced state. as a result,
Parts images of the right rear tire, the left rear tire, and the like are displayed in gray, and if any one of them has failure data, only that part is displayed in red (see FIG. 3D).

(Fifth screen) The vehicle image becomes an image 21e further rotated rightward from the fourth screen, and the scan plane image 2
0e is displayed on the rear end portion of the vehicle, and the rear end portion of the vehicle is diagnosed as a wheel-slipping state. As a result, parts images of the right rear small lamp, the left rear small lamp, etc. are displayed in gray (see FIG. 3 (e)). In addition, if it is indicated that a failure has occurred in any one of the diagnosis target parts 1 displayed on each of the screens, if the failure part, for example, the right rear small lamp is burnt out, that part Is changed from gray to red.

Embodiment 2. This embodiment will be described below with reference to FIG. 4. The same or equivalent components as those shown in FIG. 1 are designated by the same reference numerals, detailed description thereof will be omitted, and only different parts will be described. . 2'is a diagnostic means,
Although it is substantially the same as the diagnostic means 2 in FIG. 1, the different point is that the diagnostic means 2'diagnoses based on an instruction from the display control means 9 ', and if there is a failure, the failure data is recorded as a diagnostic result memo. It is stored in the storage means 3'and supplied to the display control means 9 '.

The display control device 9'includes the parts images 22a to 22f, the scan plane images 20a to 20e, and the vehicle images 21a to 21 supplied from the display image reading means 8.
e is superimposed on the display 10 and displayed, and the parts images 22a to 22f of the diagnosis target part 1 corresponding to the scan plane images 20a to 20e are displayed in a predetermined display color, for example, gray. Although the same as the device 9, the display control device 9 ′ is different from the display image reading means 8
When the parts images 22a to 22f are supplied from the parts images 22a to 22f, the diagnosis means 2'is instructed to diagnose only the diagnosis target part 1 corresponding to the supplied parts images 22a to 22f, and the failure data is sent from the diagnosis means 2 '. Is at the point of being supplied. Then, when the failure data is supplied, the display color of the diagnosis target part 1 is changed to another display color, for example, red, and the display unit 1 is replaced.
Display at 0.

Next, the operation of the above structure will be described according to the flowchart shown in FIG. When the power is turned on or jumps from other programs, step S
When proceeding to T300, a menu screen displaying a plurality of icons including icons for enabling selection of the function of failure diagnosis is displayed, and then proceeds to step ST310. When the process proceeds to step ST310, it waits until an icon for selecting the function of the failure diagnosis is selected from the plurality of icons on the menu screen, and when the icon is selected, the process proceeds to step ST320 and the image control means. 7 updates the serial numbers N of the scan plane images 20a to 20e from 1 in order. Then, in the next step ST330, a new scan plane image 20a corresponding to the value N of the addition result in step ST320 is displayed.
The value N of the addition result for displaying 20e is supplied to the display image reading means 8 '.

In step ST340, the display image reading means 8'based on the value of the addition result supplied from the image control means 7, that is, the serial number N, the scan plane images 20a to 20e having the serial number N matching the value are obtained. From the scan plane image memory means 4, the vehicle image 21
a to 21e are selected from the vehicle image memory means 5 and the part images 22a to 22f of the group corresponding to the same serial number N from the parts image memory means 6 and supplied to the display control means 9 '. Thereby, the display control means 9 ′ supplies the supplied images to the display device 10 and superimposes and displays them.

After that, the process goes to step ST350 to instruct the diagnosing means 2'to carry out the failure diagnosis of the diagnosis object part 1 corresponding to the supplied parts images 22a to 22f. Further, the diagnosis means 2 ′ includes the diagnosis target portion 1 (headlight 1a, tail lamp 1b, turn signal 1c,
Of the door switches 1d, etc.), a diagnostic current is supplied to the one corresponding to the part image newly displayed this time to perform a failure diagnosis of whether it is normal, and the judgment result, that is, the occurrence of disconnection, short circuit, etc. It is stored in the diagnosis result memory means 3 and supplied to the display control means 9 '. In addition,
In the diagnosis result memory means 3 ', the result of the failure diagnosis performed by the unit such as the airbag controller by itself is automatically supplied and stored at the same time as the result is obtained.

When the process proceeds to step ST360, step S
The display control means 9'determines whether or not there is any failure data in the diagnosis result obtained at T350. If there is no failure data, the process proceeds to step ST370, and the value of the addition result is the maximum value of the serial number N. If it is not the maximum value, the process returns to step ST320, the above steps ST are repeated until the maximum value is reached, and if the maximum value is reached, the process proceeds to step ST380 and ends.

Further, when it is judged that there is the failure data in step ST360 and the process proceeds to step STST390, the part images 22a to 22f corresponding to the failure data in the diagnosis target part 1 displayed this time on the display 10 are displayed.
After the display color of only the portion is displayed in red, the process proceeds to step ST370.

As described above, in the above configuration, the CPU 1
When the program of No. 1 starts to operate, the first screen to the fifth screen are sequentially displayed as in the case of the first embodiment. However, in the first embodiment, since the failure diagnosis is performed in advance, the scan plane It suffices if the failure result is read from the diagnostic result memory means 3 and displayed in accordance with the display positions of the images 20a to 20e, but in this embodiment, each time the display position of the scan plane images 20a to 20e changes, That is, every time the serial number N changes, it is not possible to update and display the scan plane images 20a to 20e at the next display position without instructing the diagnosis means 2'to carry out a failure diagnosis and obtaining the diagnosis result. Since the time required to change the display position of the scan plane images 20a to 20e increases and the diagnosis time varies depending on the diagnosis target region 1, the scan plane images 20a to 20e are updated. There will be variations in the new time. As a result, the display becomes more realistic.

Embodiment 3. This embodiment will be described below with reference to FIG. 6. The same or equivalent components as those shown in FIG. 1 are designated by the same reference numerals, detailed description thereof will be omitted, and only different parts will be described. . When the power is supplied, the 2 "are supplied in the order of the serial number N, that is, the first group of right headlamps, left headlamps, right small lamps, left small lamps, etc., the second group of right front tires, left front tires, etc. Bag controller unit, right mirror, left mirror, right door switch, third group of left door switch, etc., fourth group of right rear tire, left rear tire, etc., fifth group of right rear small lamp, left rear small lamp, etc. 1 is the same as the diagnosing means 2 in FIG. 1, but is different in that the diagnosing means 2 ″ is the image controlling means 7 each time the diagnosis of one group is completed. 'Next scan plane image 20
The instruction for advancing to a to 20e is given, the serial number N output from the image control means 7'is incremented by 1, and the failure data is supplied to the display control means 9 ".
Further, the diagnostic means 2 ″ stores the obtained failure data in the diagnostic result memory means 3 ′.

The image control means 7 ', every time the diagnostic means 2 "gives an instruction to update the scan plane images 20a to 20e,
With respect to the display image reading means 8, the value of the serial number N of the scan plane image is increased from 1 by one. The display control device 9 "includes part images 22a to 22f and a scan surface image 20a supplied from the display image reading means 8.
.About.20e and vehicle images 21a to 21e are displayed on the display device 10 in the same manner as the display control device 9, but the display control device 9 "is different in that the diagnostic means 2" is used.
When the failure data is supplied from, the display color of the part image corresponding to the failure data is changed to red and displayed on the display unit 10.

Next, the operation of the above structure will be described according to the flow chart shown in FIG. Power is turned on,
Also, by jumping from another program, step ST4
When proceeding to 00, a menu screen displaying a plurality of icons including icons for enabling selection of the function of failure diagnosis is displayed, and then proceeds to step ST410. When the process proceeds to step ST410, it waits until an icon for selecting the function of the failure diagnosis is selected from the plurality of icons on the menu screen, and when the icon is selected, the process proceeds to step ST420 and first, the serial number. N is 1
Fault diagnosis of the group corresponding to the scan plane image of No. 1 is performed, the presence / absence of occurrence of disconnection, short circuit, etc. is stored in the diagnostic result memory means 3, and the fault data is supplied to the display control means 9 ', and further image control is performed. A signal for increasing the serial number N is supplied to the means 7'and step ST
One up at 430.

Next, in step ST440, the image control means 7'supplies the display image reading means 8 with a value that is incremented by 1 with respect to the previous value of the serial number N. Then, in the next step ST450, the display image reading means 8 outputs the scan plane images 20a to 20e having the incremented serial number N from the scan plane image memory means 4 and the vehicle images 21a to 21e. Means 5 to the parts image memory means 6
The part images 22a to 22f are selected and supplied to the display control means 9 ", and the display control means 9" supplies the supplied images to the display device 10 and displays them in a superimposed manner.

Then, the process proceeds to step ST460, and if there is no failure data, the process proceeds to step ST470 to determine whether the value of the addition result is the maximum value of the serial number N,
If it is not the maximum value, the process returns to step ST420,
The above steps ST are repeated until the maximum value is reached, and when the maximum value is reached, the process proceeds to step ST480 and ends.

If it is determined in step ST460 that there is failure data and the process proceeds to step ST490,
Of the part images displayed this time on the display 10, only the part image corresponding to the failure data is displayed in red and then the process proceeds to step ST470.

As described above, in the above configuration, the CPU 1
When the program of No. 1 starts operating, the first screen to the fifth screen are sequentially displayed as in the case of the first embodiment, but the scan plane image 2 is linked to the diagnosis of the diagnosis target region.
0a to 20e and vehicle images 21a to 21e are displayed. Therefore, each time the display position of the scan plane images 20a to 20e changes, the diagnostic means 2'can be made to perform a necessary failure diagnosis, and the scan plane image can be displayed. 20a-20
Since the time required to update e differs for each group, the diagnosis becomes more realistic.

The diagnostic means 2, 2 ', 2 ", the image control means 7, 7', the display image reading means 8, 8 ',
The 8 "and the display control means 9, 9 ', 9" are configured by a part of the functions of the CPU 11.

In each of the above-described embodiments, the vehicle is rotated using the plurality of vehicle images 21a to 21e to display the diagnosis target parts 22a to 22f in an easy-to-see manner.
It is also possible to make the display easier to see by appropriately selecting and setting the angle of semi-transmission of the vehicle. Needless to say, it is not always necessary to display all the diagnosis target parts 20a to 20e, and only the failure part may be displayed. Furthermore, in each of the above-described embodiments, the positions of the diagnosis target parts 20a to 20e are displayed by the display colors of the diagnosis target parts 20a to 20e, and the failure is notified, but it does not depend on the display color. Needless to say, the display may be enlarged or the shape may be changed.

[0044]

According to the first aspect of the invention, since the diagnosis is performed in advance and the diagnosis result is displayed according to the movement of the scan plane image, it is possible to display the reality that the apparatus is performing the diagnosis. In addition, since the diagnosis target part is displayed according to the scan plane image, it is easy to know what is in the diagnosis target part and where, and anyone can know which part of the diagnosis target part is out of order. Can be displayed as

According to the second and third inventions, since the display position of the scan plane image and the diagnosis of the diagnosis target region are linked, the time when the display position of the scan plane image changes is the display position of the scan plane image. It can be displayed more realistically because it changes depending on.

[Brief description of drawings]

FIG. 1 is a first embodiment of the present invention. 3 is a circuit block explanatory diagram of FIG.

FIG. 2 is a flow chart explanatory diagram for explaining the operation in FIG.

FIG. 3 is an image explaining a transition state of a diagnostic display screen according to the present invention.

FIG. 4 is a second embodiment according to the present invention. 3 is a circuit block explanatory diagram of FIG.

5 is a flow chart explanatory view for explaining the operation in FIG. 4. FIG.

FIG. 6 shows a third embodiment according to the present invention. 3 is a circuit block explanatory diagram of FIG.

FIG. 7 is a flowchart explanatory diagram for explaining the operation in FIG.

[Explanation of symbols]

1 Target site for diagnosis 1a headlight 1b tail lamp 1c turn signal 1d door switch 2, 2 ', 2 "diagnostic means 3, 3'diagnosis result memory means 4 Scan plane image memory 5 Vehicle image memory means 6 Parts image memory means 7 Image control means 8 Display image reading means 9, 9 ', 9 "display controller 10 Display 11 CPU

Claims (3)

[Claims] 1. A diagnostic means for diagnosing a failure of each of a plurality of diagnostic target parts of a vehicle and storing the diagnostic result in a memory, a vehicle image display means for semi-transparently displaying an image of the vehicle, and the vehicle image display. Scanning means for forming a diagnostic surface in a wheel-cutting state intersecting the semi-transparent image of the vehicle displayed by the means, and moving the diagnostic surface in accordance with the image of the vehicle;
When the display position of any of the diagnosis target parts coincides with the diagnosis surface moved by the scanning means, and any of the diagnosis target parts fails due to the diagnosis result stored in the memory. A vehicle diagnosis system comprising: a failure part display means for displaying a diagnosis target part located on the diagnosis surface in a specific display state when it is determined that there is. 2. A vehicle image display means for semi-transparently displaying an image of a vehicle, and a diagnostic surface in a wheel-sliced state intersecting with the semi-transparent image of the vehicle displayed by the vehicle image display means is formed, and the diagnostic surface is defined as above. Scanning means for moving in accordance with the image of the vehicle, failure diagnosing means for diagnosing a failure of the diagnosis target portion of the vehicle according to the display position of the diagnostic surface moved by the scanning means, and failure by the failure diagnosing means A vehicle diagnostic system comprising, when diagnosed, a failure part display means for displaying a part on the diagnosis surface corresponding to the part to be diagnosed which has a failure in a specific display state. 3. A vehicle image display means for semi-transparently displaying an entire image of a vehicle, and a failure diagnosis means for performing a failure diagnosis of a plurality of diagnosis target parts of the vehicle for each group from one end to the other end of the vehicle. And scanning means for displaying while moving a diagnostic surface in a wheel-cutting state intersecting the semi-transparent image of the vehicle displayed by the vehicle image display means, in accordance with the failure diagnosis for each group by the failure diagnosis means, When the display position of the diagnosis target part coincides with the display position of the diagnosis surface moved and displayed by the scanning means, the diagnosis part display means for displaying the diagnosis target part in a predetermined display color, and a predetermined part in the diagnosis part display means When the diagnosis target part displayed in the display state is diagnosed as a failure based on the failure diagnosis means, the vehicle diagnosis is provided with a failure part display means for changing the display state to another display state for display. Disconnection system.