JPS5647806A - Self-diagnostic method of air fuel ratio control unit - Google Patents

Self-diagnostic method of air fuel ratio control unit

Info

Publication number
JPS5647806A
JPS5647806A JP12387579A JP12387579A JPS5647806A JP S5647806 A JPS5647806 A JP S5647806A JP 12387579 A JP12387579 A JP 12387579A JP 12387579 A JP12387579 A JP 12387579A JP S5647806 A JPS5647806 A JP S5647806A
Authority
JP
Japan
Prior art keywords
fuel ratio
control unit
air fuel
ratio control
check
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
Application number
JP12387579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS641737B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Toshio Ishii
Yasunori Mori
Osamu Abe
Taiji Hasegawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12387579A priority Critical patent/JPS5647806A/ja
Publication of JPS5647806A publication Critical patent/JPS5647806A/ja
Publication of JPS641737B2 publication Critical patent/JPS641737B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Testing Of Engines (AREA)
  • Testing And Monitoring For Control Systems (AREA)
JP12387579A 1979-09-28 1979-09-28 Self-diagnostic method of air fuel ratio control unit Granted JPS5647806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12387579A JPS5647806A (en) 1979-09-28 1979-09-28 Self-diagnostic method of air fuel ratio control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12387579A JPS5647806A (en) 1979-09-28 1979-09-28 Self-diagnostic method of air fuel ratio control unit

Publications (2)

Publication Number Publication Date
JPS5647806A true JPS5647806A (en) 1981-04-30
JPS641737B2 JPS641737B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-12

Family

ID=14871527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12387579A Granted JPS5647806A (en) 1979-09-28 1979-09-28 Self-diagnostic method of air fuel ratio control unit

Country Status (1)

Country Link
JP (1) JPS5647806A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353435A (ja) * 1986-08-25 1988-03-07 Fujitsu Ten Ltd 電子式エンジン制御装置
JPH0233446A (ja) * 1988-07-22 1990-02-02 Hitachi Ltd エンジン制御装置診断システム

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11397286B2 (en) 2016-06-07 2022-07-26 3M Innovative Properties Company Acrylic polyvinyl acetal film for a light directing article

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6353435A (ja) * 1986-08-25 1988-03-07 Fujitsu Ten Ltd 電子式エンジン制御装置
JPH0233446A (ja) * 1988-07-22 1990-02-02 Hitachi Ltd エンジン制御装置診断システム

Also Published As

Publication number Publication date
JPS641737B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-12

Similar Documents

Publication Publication Date Title
US5072391A (en) Diagnostic system for a motor vehicle
JPS52123624A (en) Diagnose system for initial abnormality for copier
ES8106807A1 (es) Metodo de analizar el funcionamieto de una cabeza de surti- dor de tinta
JPS5647806A (en) Self-diagnostic method of air fuel ratio control unit
JPS57171046A (en) Self diagnostic alarm indicating system for electronic engine control system
EP0781912A3 (en) Apparatus for determining malfunctioning of fuel injection control system
JPS5450767A (en) Abnormality detecting process for hydraulic system
EP0145887A3 (de) Notsteuersystem für Kraftstoffzumesseinrichtungen
JPS5751924A (en) Electronically operated fuel injection controller for internal combustion engine
JPS52102935A (en) Fuel-supplied cylinder number setting system
EP0332727A1 (en) Apparatus for testing an electronic control system
DE19750380A1 (de) Kraftfahrzeugcontroller
JPS6441641A (en) Idle up system operating during failure in operation of pressure sensor
EP0241030A3 (en) Fuel control method and apparatus therefor
KAISER LACV-30 auxiliary power unit investigation[Final Technical Report, Sep. 1976- Jan. 1977]
JPS5244414A (en) Liquid tank pressure control system
Walker Data Acquisition and Testing Study of Diesel Engines
JPS6476231A (en) Method for diagnosing failure
USD241075S (en)
DE69001102T2 (de) Verfahren und system zur ueberwachung des betriebsverhaltens einer mehrzylinder-brennkraftmaschine, insbesondere einer brennkraftmaschine mit elektronischer einspritzung.
JPS5327786A (en) Vehicle speed limiting device
Humphrey et al. The Standard Test and Evaluation Bottle(STEB) Five Years Later
JPS6491093A (en) Control rod control system diagnosing apparatus
JPS57134378A (en) Production method of cylindrical structure
JPS5735149A (en) V-engine carburetor working system