JPS60192849A - 限界電流型酸素濃度センサの劣化検出装置 - Google Patents

限界電流型酸素濃度センサの劣化検出装置

Info

Publication number
JPS60192849A
JPS60192849A JP5059884A JP5059884A JPS60192849A JP S60192849 A JPS60192849 A JP S60192849A JP 5059884 A JP5059884 A JP 5059884A JP 5059884 A JP5059884 A JP 5059884A JP S60192849 A JPS60192849 A JP S60192849A
Authority
JP
Japan
Prior art keywords
current type
type oxygen
sensor
limiting current
oxygen concentration
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
JP5059884A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0559263B2 (2
Inventor
Hiroaki Kuraoka
宏明 倉岡
Katsuhiro Oba
大羽　勝広
Katsumasa Matsui
松井　克雅
Kenjiro Tsujimura
辻村　健治郎
Takao Akatsuka
赤塚　隆夫
Mamoru Takada
守 高田
Masao Kawaguchi
川口　政雄
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
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp, NipponDenso Co Ltd filed Critical Toyota Motor Corp
Priority to JP5059884A priority Critical patent/JPS60192849A/ja
Publication of JPS60192849A publication Critical patent/JPS60192849A/ja
Publication of JPH0559263B2 publication Critical patent/JPH0559263B2/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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • F02D41/1476—Biasing of the sensor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
JP5059884A 1984-03-15 1984-03-15 限界電流型酸素濃度センサの劣化検出装置 Granted JPS60192849A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5059884A JPS60192849A (ja) 1984-03-15 1984-03-15 限界電流型酸素濃度センサの劣化検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5059884A JPS60192849A (ja) 1984-03-15 1984-03-15 限界電流型酸素濃度センサの劣化検出装置

Publications (2)

Publication Number Publication Date
JPS60192849A true JPS60192849A (ja) 1985-10-01
JPH0559263B2 JPH0559263B2 (2) 1993-08-30

Family

ID=12863405

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5059884A Granted JPS60192849A (ja) 1984-03-15 1984-03-15 限界電流型酸素濃度センサの劣化検出装置

Country Status (1)

Country Link
JP (1) JPS60192849A (2)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5672817A (en) * 1994-12-28 1997-09-30 Nippondenso Co., Ltd. Self-diagnostic apparatus of air-fuel ratio control system of internal combustion engine
US5781878A (en) * 1995-06-05 1998-07-14 Nippondenso Co., Ltd. Apparatus and method for diagnosing degradation or malfunction of oxygen sensor
JP2007064873A (ja) * 2005-09-01 2007-03-15 Toyota Motor Corp 排気ガスセンサの故障検出装置
KR100828797B1 (ko) 2006-12-08 2008-05-09 현대자동차주식회사 디젤 차량에 장착된 람다 센서의 이상 점검 방법

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5672817A (en) * 1994-12-28 1997-09-30 Nippondenso Co., Ltd. Self-diagnostic apparatus of air-fuel ratio control system of internal combustion engine
US5781878A (en) * 1995-06-05 1998-07-14 Nippondenso Co., Ltd. Apparatus and method for diagnosing degradation or malfunction of oxygen sensor
JP2007064873A (ja) * 2005-09-01 2007-03-15 Toyota Motor Corp 排気ガスセンサの故障検出装置
KR100828797B1 (ko) 2006-12-08 2008-05-09 현대자동차주식회사 디젤 차량에 장착된 람다 센서의 이상 점검 방법

Also Published As

Publication number Publication date
JPH0559263B2 (2) 1993-08-30

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