JPH047345U - - Google Patents
Info
- Publication number
- JPH047345U JPH047345U JP4671190U JP4671190U JPH047345U JP H047345 U JPH047345 U JP H047345U JP 4671190 U JP4671190 U JP 4671190U JP 4671190 U JP4671190 U JP 4671190U JP H047345 U JPH047345 U JP H047345U
- Authority
- JP
- Japan
- Prior art keywords
- failure
- diagnosis
- vehicle
- control unit
- main body
- 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
- 238000003745 diagnosis Methods 0.000 claims description 11
- 238000004092 self-diagnosis Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Testing And Monitoring For Control Systems (AREA)
Description
第１図は本考案に係る車両用故障診断装置の一
実施例の構成図、第２図はそのフローチヤートで
ある。
Ａ……車両用コントロールユニツト、Ｂ……故
障診断装置本体、１，８……ＲＯＭ、２……自己
診断実行手段、３……メモリ（ＲＡＭ）、４……
自己診断モード判別手段、５……現在故障判別手
段、６……過去故障読み出し手段、７，９……デ
ータ通信手段、１０……診断要求手段、１１……
表示手段。
FIG. 1 is a block diagram of an embodiment of a vehicle failure diagnosis device according to the present invention, and FIG. 2 is a flowchart thereof. A... Vehicle control unit, B... Trouble diagnosis device main body, 1, 8... ROM, 2... Self-diagnosis execution means, 3... Memory (RAM), 4...
Self-diagnosis mode discrimination means, 5... Current failure discrimination means, 6... Past failure reading means, 7, 9... Data communication means, 10... Diagnosis requesting means, 11...
Display means.
Claims (1)
にデータ通信手段を介して故障診断装置本体を接
続して前記コントロールユニツトのデータをチエ
ツクする車両用故障診断装置において、上記車両
用コントロールユニツト側に自己診断実行手段と
、診断結果を記憶するメモリと、故障診断装置本
体からの要求が現在の故障か、過去の故障かを判
別する自己診断モード判定手段と、現在の故障を
判別する現在故障判別手段と、過去の故障を読み
出す過去故障読み出し手段と、データ通信手段と
を備え、故障診断装置本体側に車両用コントロー
ルユニツトと接続するデータ通信手段と、診断要
求を発生させる診断要求手段とデータ信号を表示
する表示手段とを備えたことを特徴とする車両用
故障診断装置。 In a vehicle fault diagnosis device that connects a fault diagnosis device main body to a vehicle control unit mounted on a vehicle via a data communication means to check data of the control unit, the vehicle control unit includes self-diagnosis execution means. a memory for storing diagnosis results; a self-diagnosis mode determination means for determining whether a request from the failure diagnosis apparatus main body is a current failure or a past failure; a current failure determination means for determining the current failure; a past failure readout means for reading out the failure of the vehicle; and a data communication means, the data communication means being connected to a vehicle control unit on the main body side of the fault diagnosis device, a diagnosis requesting means for generating a diagnosis request, and a display for displaying a data signal. A vehicle failure diagnosis device characterized by comprising: means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046711U JP2530410Y2 (en) | 1990-05-01 | 1990-05-01 | Vehicle failure diagnosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046711U JP2530410Y2 (en) | 1990-05-01 | 1990-05-01 | Vehicle failure diagnosis device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH047345U true JPH047345U (en) | 1992-01-23 |
| JP2530410Y2 JP2530410Y2 (en) | 1997-03-26 |
Family
ID=31562026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990046711U Expired - Lifetime JP2530410Y2 (en) | 1990-05-01 | 1990-05-01 | Vehicle failure diagnosis device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2530410Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01260344A (en) * | 1988-04-11 | 1989-10-17 | Fuji Heavy Ind Ltd | Self-diagnostic apparatus for vehicle |
-
1990
- 1990-05-01 JP JP1990046711U patent/JP2530410Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01260344A (en) * | 1988-04-11 | 1989-10-17 | Fuji Heavy Ind Ltd | Self-diagnostic apparatus for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2530410Y2 (en) | 1997-03-26 |
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