JPS57176341A - Internal combustion engine control computer device having mutual diagnostic device - Google Patents

Internal combustion engine control computer device having mutual diagnostic device

Info

Publication number
JPS57176341A
JPS57176341A JP56060415A JP6041581A JPS57176341A JP S57176341 A JPS57176341 A JP S57176341A JP 56060415 A JP56060415 A JP 56060415A JP 6041581 A JP6041581 A JP 6041581A JP S57176341 A JPS57176341 A JP S57176341A
Authority
JP
Japan
Prior art keywords
engine control
equal
control unit
combustion engine
internal combustion
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
JP56060415A
Other languages
Japanese (ja)
Other versions
JPH028135B2 (en
Inventor
Kazuyoshi Nishibori
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.)
Denso Corp
Original Assignee
NipponDenso Co 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP56060415A priority Critical patent/JPS57176341A/en
Publication of JPS57176341A publication Critical patent/JPS57176341A/en
Publication of JPH028135B2 publication Critical patent/JPH028135B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Engines (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

PURPOSE:To easily diagnose a car mounted computer, by imparting a function, in which memory contents of the computer of equal kind can be mutually checked, to all of the computers controlling an engine. CONSTITUTION:To perform mutual diagnoses, two sets of engine control units 13 are connected by lead wires, further connected to a power source 54 with light emitting display devices 52, 53. Then simultaneously with closing of a switch 55, the diagnosed engine control unit 13 of the engine control units 13 transfers its own memory contect toward the master engine control unit 13. As a result, all transferred data, if discriminated equal to contents of a memory unit 22 in the master engine control unit 13, are displayed good by the light emitting display devices 52, 53, while if discriminated not equal, are displayed not good.
JP56060415A 1981-04-21 1981-04-21 Internal combustion engine control computer device having mutual diagnostic device Granted JPS57176341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56060415A JPS57176341A (en) 1981-04-21 1981-04-21 Internal combustion engine control computer device having mutual diagnostic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56060415A JPS57176341A (en) 1981-04-21 1981-04-21 Internal combustion engine control computer device having mutual diagnostic device

Publications (2)

Publication Number Publication Date
JPS57176341A true JPS57176341A (en) 1982-10-29
JPH028135B2 JPH028135B2 (en) 1990-02-22

Family

ID=13141530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56060415A Granted JPS57176341A (en) 1981-04-21 1981-04-21 Internal combustion engine control computer device having mutual diagnostic device

Country Status (1)

Country Link
JP (1) JPS57176341A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6123203A (en) * 1984-07-11 1986-01-31 Hitachi Ltd Engine controller
JPS61212653A (en) * 1985-03-18 1986-09-20 Honda Motor Co Ltd Electronic control device of internal-combustion engine
JPH02308951A (en) * 1989-05-24 1990-12-21 Mitsubishi Electric Corp Failure diagnostic device for electronic control device for automobile

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128641A (en) * 1979-03-23 1980-10-04 Nissan Motor Co Ltd Controlling system for vehicle
JPS5674703A (en) * 1979-11-26 1981-06-20 Hitachi Ltd Automobile control device
JPS5762933A (en) * 1980-10-01 1982-04-16 Natl Aerospace Lab Control device for aircraft engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55128641A (en) * 1979-03-23 1980-10-04 Nissan Motor Co Ltd Controlling system for vehicle
JPS5674703A (en) * 1979-11-26 1981-06-20 Hitachi Ltd Automobile control device
JPS5762933A (en) * 1980-10-01 1982-04-16 Natl Aerospace Lab Control device for aircraft engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6123203A (en) * 1984-07-11 1986-01-31 Hitachi Ltd Engine controller
JPS61212653A (en) * 1985-03-18 1986-09-20 Honda Motor Co Ltd Electronic control device of internal-combustion engine
JPH0370106B2 (en) * 1985-03-18 1991-11-06 Honda Motor Co Ltd
JPH02308951A (en) * 1989-05-24 1990-12-21 Mitsubishi Electric Corp Failure diagnostic device for electronic control device for automobile

Also Published As

Publication number Publication date
JPH028135B2 (en) 1990-02-22

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