JPS632844U - - Google Patents
Info
- Publication number
- JPS632844U JPS632844U JP9619486U JP9619486U JPS632844U JP S632844 U JPS632844 U JP S632844U JP 9619486 U JP9619486 U JP 9619486U JP 9619486 U JP9619486 U JP 9619486U JP S632844 U JPS632844 U JP S632844U
- Authority
- JP
- Japan
- Prior art keywords
- diagnosis
- feedback control
- switch
- button
- pressed
- 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.)
- Pending
Links
- 238000003745 diagnosis Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims 4
- 230000005856 abnormality Effects 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Testing Of Engines (AREA)
Description
第１図は、本考案による車両用チエツク装置の
実施例を示したブロツク図、第２図は、同実施例
装置の動作を説明するための流れ図、第３図は、
同実施例装置の表示例を示した図である。第４図
は、車両用チエツク装置の従来例を示したブロツ
ク図、第５図は、従来例装置の動作を説明するた
めの流れ図である。
１……エレクトリツクユニツト、１０……マイ
クロコンピユータ、１１，１２，１３……入力回
路、２１……回転数センサ、２２……スロツトル
ポジシヨンスイツチ、２３……水温センサ、２４
……Ｏ２センサ、３１……チエツクスイツチ、３
２……ダイアグノーシス表示スイツチ、３３……
フイードバツク停止スイツチ、４……ダイアグノ
ーシスランプ、５１……インジエクタ。
FIG. 1 is a block diagram showing an embodiment of the vehicle check device according to the present invention, FIG. 2 is a flowchart for explaining the operation of the same embodiment device, and FIG.
It is a figure showing an example of a display of the same example device. FIG. 4 is a block diagram showing a conventional example of a vehicle check device, and FIG. 5 is a flow chart for explaining the operation of the conventional device. DESCRIPTION OF SYMBOLS 1... Electric unit, 10... Microcomputer, 11, 12, 13... Input circuit, 21... Rotation speed sensor, 22... Throttle position switch, 23... Water temperature sensor, 24
... O2 sensor, 31...Check switch, 3
2...Diagnosis display switch, 33...
Feedback stop switch, 4...Diagnosis lamp, 51...Injector.
Claims (1)
をする電子燃料噴射装置のダイアグノーシスを行
う車両用チエツク装置において、フイードバツク
停止スイツチとダイアグノーシス表示スイツチの
機能を兼ね備えたチエツクスイツチと、前記チエ
ツクスイツチが押されたか否かを判断し、押され
たときにはダイアグノーシス表示信号を出力する
とともに前記フイードバツク制御を停止し、押さ
れないときには異常時のみ異常信号を出力すると
ともに前記フイードバツク制御を続行する制御回
路と、前記制御回路からのダイアグノーシス表示
信号または異常信号により点滅または点灯するダ
イアグノーシス表示ランプとから構成したことを
特徴とする車両用チエツク装置。 In a vehicle check device that performs diagnosis of an electronic fuel injection system that performs air-fuel ratio feedback control using an O2 sensor, there is a check switch that has the functions of a feedback stop switch and a diagnosis display switch, and a check switch that performs the diagnosis of an electronic fuel injection system that performs air-fuel ratio feedback control using an O2 sensor. a control circuit that determines whether or not the button is pressed, outputs a diagnosis display signal and stops the feedback control when the button is pressed, and outputs an abnormality signal only when an abnormality occurs and continues the feedback control when the button is not pressed; A vehicle check device comprising a diagnosis display lamp that blinks or lights up in response to a diagnosis display signal or an abnormal signal from a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9619486U JPS632844U (en) | 1986-06-24 | 1986-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9619486U JPS632844U (en) | 1986-06-24 | 1986-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS632844U true JPS632844U (en) | 1988-01-09 |
Family
ID=30961667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9619486U Pending JPS632844U (en) | 1986-06-24 | 1986-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS632844U (en) |
-
1986
- 1986-06-24 JP JP9619486U patent/JPS632844U/ja active Pending
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