JPH0455579U - - Google Patents
Info
- Publication number
- JPH0455579U JPH0455579U JP9828190U JP9828190U JPH0455579U JP H0455579 U JPH0455579 U JP H0455579U JP 9828190 U JP9828190 U JP 9828190U JP 9828190 U JP9828190 U JP 9828190U JP H0455579 U JPH0455579 U JP H0455579U
- Authority
- JP
- Japan
- Prior art keywords
- pseudo signal
- signal
- failure
- pseudo
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 2
- 238000003745 diagnosis Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Description
第１図はこの考案のクレーム対応図、第２図は
同じく実施例を示す構成図、第３図は同じく診断
動作の一例を説明するフローチヤート、第４図は
同じく装置の使用状態の一例を示す説明図である
。
１……入力操作部、２……画面、３……疑似信
号発生器、４……電圧・パルス入力端子、５……
疑似信号出力端子。
Fig. 1 is a diagram corresponding to claims of this invention, Fig. 2 is a block diagram showing an embodiment, Fig. 3 is a flowchart illustrating an example of diagnostic operation, and Fig. 4 is an example of how the device is used. FIG. 1... Input operation unit, 2... Screen, 3... Pseudo signal generator, 4... Voltage/pulse input terminal, 5...
Pseudo signal output terminal.
Claims (1)
え、コントロールユニツトへの各種の入力信号と
同一レベルの疑似信号を選択的に発生する疑似信
号発生手段と、疑似信号発生手段に診断対象とな
る信号系統の疑似信号の発生を指令する入力操作
手段と、入力操作手段からの信号に基づいて故障
探索の手順を画面に表示する探索手順表示手段と
、電圧・パルス入力端子の測定値を疑似信号の出
力レベルと比較して故障の有無を判定する故障判
定手段と、故障判定手段からの信号に基づいて故
障部品の交換手順などを画面に表示する修理手順
表示手段を設けたことを特徴とする自動車用電子
システムの故障診断装置。 A pseudo signal generation means that is equipped with a pseudo signal output terminal and a voltage/pulse input terminal and selectively generates a pseudo signal of the same level as various input signals to the control unit, and a signal system to be diagnosed in the pseudo signal generation means. an input operation means for commanding the generation of a pseudo signal; a search procedure display means for displaying a failure search procedure on a screen based on the signal from the input operation means; and an output of the pseudo signal for the measured value of the voltage/pulse input terminal For automobiles, characterized in that it is provided with a failure determination means for determining the presence or absence of a failure by comparing it with a level, and a repair procedure display means for displaying procedures for replacing failed parts on a screen based on a signal from the failure determination means. Fault diagnosis equipment for electronic systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9828190U JPH0726682Y2 (en) | 1990-09-19 | 1990-09-19 | Failure diagnosis device for automobile electronic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9828190U JPH0726682Y2 (en) | 1990-09-19 | 1990-09-19 | Failure diagnosis device for automobile electronic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0455579U true JPH0455579U (en) | 1992-05-13 |
| JPH0726682Y2 JPH0726682Y2 (en) | 1995-06-14 |
Family
ID=31839338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9828190U Expired - Lifetime JPH0726682Y2 (en) | 1990-09-19 | 1990-09-19 | Failure diagnosis device for automobile electronic system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726682Y2 (en) |
-
1990
- 1990-09-19 JP JP9828190U patent/JPH0726682Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0726682Y2 (en) | 1995-06-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |