JP2002317678A - 内燃機関の排気系異常検出装置 - Google Patents

内燃機関の排気系異常検出装置

Info

Publication number
JP2002317678A
JP2002317678A JP2002010270A JP2002010270A JP2002317678A JP 2002317678 A JP2002317678 A JP 2002317678A JP 2002010270 A JP2002010270 A JP 2002010270A JP 2002010270 A JP2002010270 A JP 2002010270A JP 2002317678 A JP2002317678 A JP 2002317678A
Authority
JP
Japan
Prior art keywords
fuel ratio
air
exhaust system
abnormality
sensor
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
Application number
JP2002010270A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002317678A5 (enExample
Inventor
Koji Uranishi
康次 浦西
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 filed Critical Toyota Motor Corp
Priority to JP2002010270A priority Critical patent/JP2002317678A/ja
Priority to US10/073,143 priority patent/US6594987B2/en
Publication of JP2002317678A publication Critical patent/JP2002317678A/ja
Publication of JP2002317678A5 publication Critical patent/JP2002317678A5/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus the diagnostic devices measuring oxygen or air concentration downstream of the exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity of catalytic converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
JP2002010270A 2001-02-16 2002-01-18 内燃機関の排気系異常検出装置 Pending JP2002317678A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002010270A JP2002317678A (ja) 2001-02-16 2002-01-18 内燃機関の排気系異常検出装置
US10/073,143 US6594987B2 (en) 2001-02-16 2002-02-13 Apparatus for detecting fault in exhaust system of internal combustion engine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001-40222 2001-02-16
JP2001040222 2001-02-16
JP2002010270A JP2002317678A (ja) 2001-02-16 2002-01-18 内燃機関の排気系異常検出装置

Publications (2)

Publication Number Publication Date
JP2002317678A true JP2002317678A (ja) 2002-10-31
JP2002317678A5 JP2002317678A5 (enExample) 2005-08-04

Family

ID=26609542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002010270A Pending JP2002317678A (ja) 2001-02-16 2002-01-18 内燃機関の排気系異常検出装置

Country Status (2)

Country Link
US (1) US6594987B2 (enExample)
JP (1) JP2002317678A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008255964A (ja) * 2007-04-09 2008-10-23 Toyota Motor Corp 内燃機関の空燃比制御装置
CN101833052A (zh) * 2010-04-23 2010-09-15 北京锐意泰克汽车电子有限公司 一种汽车氧传感器加热器的故障诊断电路
CN102495289A (zh) * 2011-12-08 2012-06-13 天津锐意泰克汽车电子有限公司 一种汽车氧传感器内阻的测试电路及测量方法

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JP2003206805A (ja) * 2002-01-17 2003-07-25 Nissan Motor Co Ltd エンジンの空燃比制御装置
US6722121B2 (en) * 2002-07-22 2004-04-20 International Engine Intellectual Property Company, Llc Control strategy for regenerating a NOx adsorber catalyst in an exhaust system of an engine having a variable valve actuation mechanism
JP3951846B2 (ja) * 2002-07-25 2007-08-01 日産自動車株式会社 内燃機関のバルブタイミング補正制御装置
JP4443839B2 (ja) * 2003-02-12 2010-03-31 本田技研工業株式会社 内燃機関の制御装置
US6996974B2 (en) * 2003-10-14 2006-02-14 General Motors Corporation Fuel control failure detection based on post O2 sensor
JP4363211B2 (ja) * 2004-02-12 2009-11-11 株式会社デンソー 内燃機関の排気浄化装置の異常検出装置
JP2005248781A (ja) * 2004-03-03 2005-09-15 Toyota Motor Corp 内燃機関の燃料カット制御装置
US7377104B2 (en) * 2004-03-05 2008-05-27 Ford Global Technologies, Llc Engine control system with mixed exhaust gas oxygen sensor types
US7240663B2 (en) 2004-03-19 2007-07-10 Ford Global Technologies, Llc Internal combustion engine shut-down for engine having adjustable valves
US7107946B2 (en) * 2004-03-19 2006-09-19 Ford Global Technologies, Llc Electromechanically actuated valve control for an internal combustion engine
US7079935B2 (en) * 2004-03-19 2006-07-18 Ford Global Technologies, Llc Valve control for an engine with electromechanically actuated valves
US7555896B2 (en) 2004-03-19 2009-07-07 Ford Global Technologies, Llc Cylinder deactivation for an internal combustion engine
US7128043B2 (en) 2004-03-19 2006-10-31 Ford Global Technologies, Llc Electromechanically actuated valve control based on a vehicle electrical system
US7128687B2 (en) * 2004-03-19 2006-10-31 Ford Global Technologies, Llc Electromechanically actuated valve control for an internal combustion engine
US7072758B2 (en) * 2004-03-19 2006-07-04 Ford Global Technologies, Llc Method of torque control for an engine with valves that may be deactivated
US7021289B2 (en) 2004-03-19 2006-04-04 Ford Global Technology, Llc Reducing engine emissions on an engine with electromechanical valves
US7194993B2 (en) * 2004-03-19 2007-03-27 Ford Global Technologies, Llc Starting an engine with valves that may be deactivated
US7107947B2 (en) * 2004-03-19 2006-09-19 Ford Global Technologies, Llc Multi-stroke cylinder operation in an internal combustion engine
US7383820B2 (en) 2004-03-19 2008-06-10 Ford Global Technologies, Llc Electromechanical valve timing during a start
US7165391B2 (en) * 2004-03-19 2007-01-23 Ford Global Technologies, Llc Method to reduce engine emissions for an engine capable of multi-stroke operation and having a catalyst
US7559309B2 (en) 2004-03-19 2009-07-14 Ford Global Technologies, Llc Method to start electromechanical valves on an internal combustion engine
US7063062B2 (en) * 2004-03-19 2006-06-20 Ford Global Technologies, Llc Valve selection for an engine operating in a multi-stroke cylinder mode
EP1724458A1 (de) * 2005-05-19 2006-11-22 Delphi Technologies, Inc. Verfahren und Vorrichtung zur Diagnose eines Messwertes
JP2007046517A (ja) * 2005-08-09 2007-02-22 Mitsubishi Electric Corp 内燃機関の制御装置
JP2007100575A (ja) * 2005-10-04 2007-04-19 Toyota Motor Corp 内燃機関の制御装置
DE102006009989B4 (de) * 2006-03-03 2008-04-17 Siemens Ag Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
JP2008157199A (ja) * 2006-12-26 2008-07-10 Mitsubishi Fuso Truck & Bus Corp センサの異常検出装置
US8744729B2 (en) * 2007-07-24 2014-06-03 Toyota Jidosha Kabushiki Kaisha Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engine
DE102008000691A1 (de) * 2008-03-14 2009-09-17 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überwachung eines Zuluftsystems einer Brennkraftmaschine
JP5197548B2 (ja) * 2009-11-05 2013-05-15 本田技研工業株式会社 内燃機関の燃料噴射制御装置
JP5062307B2 (ja) * 2010-08-06 2012-10-31 トヨタ自動車株式会社 触媒劣化検出装置
JP5187362B2 (ja) * 2010-08-20 2013-04-24 トヨタ自動車株式会社 車両の制御装置
EP2657495A4 (en) * 2010-12-24 2014-07-30 Toyota Motor Co Ltd DEVICE AND METHOD FOR DETECTING ERRORS IN THE INTERCYLINDRICAL AIR-FUEL RATIO VARIATION
DE102011011631B4 (de) * 2011-02-17 2014-10-16 Continental Automotive Gmbh Tankvorrichtung zur Bevorratung eines flüssigen schadstoffmindernden Mediums
US9145804B2 (en) * 2011-11-17 2015-09-29 Toyota Jidosha Kabushiki Kaisha Control apparatus for internal combustion engine
JP5790523B2 (ja) * 2012-02-01 2015-10-07 トヨタ自動車株式会社 空燃比インバランス判定装置
US9230371B2 (en) 2013-09-19 2016-01-05 GM Global Technology Operations LLC Fuel control diagnostic systems and methods
JP6296228B2 (ja) * 2013-12-13 2018-03-20 三菱自動車工業株式会社 ハイブリッド車両の制御装置
CN104153858A (zh) * 2013-12-25 2014-11-19 北京大学工学院包头研究院 一种scr系统催化箱故障检测方法
US9630520B2 (en) 2015-01-13 2017-04-25 Ford Global Technologies, Llc Circuit and method for battery leakage detection
US10100770B2 (en) * 2015-06-30 2018-10-16 Ford Global Technologies, Llc Systems and methods for on-board cylinder leakdown testing
US9926871B2 (en) * 2016-01-25 2018-03-27 Ford Global Technologies, Llc Methods and systems for estimating an air-fuel ratio with a variable voltage oxygen sensor
US10704485B2 (en) * 2018-06-26 2020-07-07 Fca Us Llc Fault detection and isolation fuel system lean monitor rationalized with manifold absolute pressure sensor

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JP2586164B2 (ja) * 1990-02-03 1997-02-26 トヨタ自動車株式会社 内燃機関の排気系
US5385134A (en) 1992-06-13 1995-01-31 Aft Atlas Fahrzeugtechnik Gmbh System for monitoring leakage into exhaust lines
JPH06221143A (ja) * 1992-06-13 1994-08-09 Aft Atlas Fahrzeugtechnik Gmbh 排気導管の漏れを検出するための監視装置
DE4420290A1 (de) * 1994-06-10 1995-12-14 Bosch Gmbh Robert Verfahren zum Erkennen eines undichten Auslaßventils
JP2869925B2 (ja) * 1994-06-29 1999-03-10 本田技研工業株式会社 内燃エンジンの空燃比制御装置
JP3467657B2 (ja) 1994-12-26 2003-11-17 株式会社日立製作所 内燃機関の排気制御装置
US6055948A (en) * 1995-10-02 2000-05-02 Hitachi, Ltd. Internal combustion engine control system
JP2671877B2 (ja) 1995-10-27 1997-11-05 トヨタ自動車株式会社 触媒劣化判別装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008255964A (ja) * 2007-04-09 2008-10-23 Toyota Motor Corp 内燃機関の空燃比制御装置
WO2008126845A1 (ja) * 2007-04-09 2008-10-23 Toyota Jidosha Kabushiki Kaisha 内燃機関の空燃比制御装置
US8230846B2 (en) 2007-04-09 2012-07-31 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio control device for internal combustion engine
CN101833052A (zh) * 2010-04-23 2010-09-15 北京锐意泰克汽车电子有限公司 一种汽车氧传感器加热器的故障诊断电路
CN102495289A (zh) * 2011-12-08 2012-06-13 天津锐意泰克汽车电子有限公司 一种汽车氧传感器内阻的测试电路及测量方法
CN102495289B (zh) * 2011-12-08 2013-08-07 天津锐意泰克汽车电子有限公司 一种汽车氧传感器内阻的测试电路及测量方法

Also Published As

Publication number Publication date
US20020112467A1 (en) 2002-08-22
US6594987B2 (en) 2003-07-22

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