DE69625841T2 - Fehlerdiagnosevorrichtung für Kraftstoffdampfentlüftungsanlage - Google Patents

Fehlerdiagnosevorrichtung für Kraftstoffdampfentlüftungsanlage

Info

Publication number
DE69625841T2
DE69625841T2 DE69625841T DE69625841T DE69625841T2 DE 69625841 T2 DE69625841 T2 DE 69625841T2 DE 69625841 T DE69625841 T DE 69625841T DE 69625841 T DE69625841 T DE 69625841T DE 69625841 T2 DE69625841 T2 DE 69625841T2
Authority
DE
Germany
Prior art keywords
ventilation system
fault diagnosis
fuel vapor
diagnosis device
vapor ventilation
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.)
Expired - Lifetime
Application number
DE69625841T
Other languages
English (en)
Other versions
DE69625841D1 (de
Inventor
Susumu Shinohara
Katsuhiko Teraoka
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
Publication of DE69625841D1 publication Critical patent/DE69625841D1/de
Application granted granted Critical
Publication of DE69625841T2 publication Critical patent/DE69625841T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0809—Judging failure of purge control system

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE69625841T 1995-03-29 1996-03-27 Fehlerdiagnosevorrichtung für Kraftstoffdampfentlüftungsanlage Expired - Lifetime DE69625841T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07180795A JP3565611B2 (ja) 1995-03-29 1995-03-29 エバポパージシステムの故障診断装置

Publications (2)

Publication Number Publication Date
DE69625841D1 DE69625841D1 (de) 2003-02-27
DE69625841T2 true DE69625841T2 (de) 2003-06-18

Family

ID=13471218

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69629404T Expired - Lifetime DE69629404T2 (de) 1995-03-29 1996-03-27 Eine Fehlerdiagnosevorrichtung für Kraftstoffdampfentlüftungsanlage
DE69625841T Expired - Lifetime DE69625841T2 (de) 1995-03-29 1996-03-27 Fehlerdiagnosevorrichtung für Kraftstoffdampfentlüftungsanlage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69629404T Expired - Lifetime DE69629404T2 (de) 1995-03-29 1996-03-27 Eine Fehlerdiagnosevorrichtung für Kraftstoffdampfentlüftungsanlage

Country Status (4)

Country Link
US (1) US5679890A (de)
EP (2) EP0735264B1 (de)
JP (1) JP3565611B2 (de)
DE (2) DE69629404T2 (de)

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JP3411768B2 (ja) * 1996-12-13 2003-06-03 株式会社日立製作所 エバポシステムの診断装置
US6148803A (en) * 1997-12-04 2000-11-21 Denso Corporation Leakage diagnosing device for fuel evaporated gas purge system
US6078861A (en) * 1998-10-14 2000-06-20 Ford Global Technologies, Inc. Onboard diagnostic monitoring for flexible fuel vehicles
DE19850175C1 (de) * 1998-10-30 2000-05-04 Siemens Ag Verfahren zum Überprüfen von analogen Sensoren
JP3561649B2 (ja) * 1999-02-05 2004-09-02 本田技研工業株式会社 内燃機関の蒸発燃料処理装置
JP3561650B2 (ja) * 1999-02-05 2004-09-02 本田技研工業株式会社 内燃機関の蒸発燃料処理装置
JP3558555B2 (ja) * 1999-06-30 2004-08-25 株式会社日立ユニシアオートモティブ 蒸発燃料処理装置のリーク診断装置
JP3621297B2 (ja) * 1999-06-30 2005-02-16 株式会社日立ユニシアオートモティブ 蒸発燃料処理装置の故障診断装置
US6164123A (en) * 1999-07-06 2000-12-26 Ford Global Technologies, Inc. Fuel system leak detection
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US6382017B1 (en) * 1999-11-10 2002-05-07 Delphi Technologies, Inc. Evaporative emission leak detection method with vapor generation compensation
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US6557401B2 (en) 2000-04-11 2003-05-06 Toyota Jidosha Kabushiki Kaisha Method and apparatus for detecting abnormalities in fuel systems
JP4080697B2 (ja) * 2001-01-19 2008-04-23 本田技研工業株式会社 車両のエンジン自動停止・始動制御装置
JP3570626B2 (ja) * 2001-03-14 2004-09-29 本田技研工業株式会社 蒸発燃料処理系のリーク判定装置
US6892712B2 (en) * 2001-09-11 2005-05-17 Denso Corporation Leak check for fuel vapor purge system
US7028674B2 (en) * 2003-01-17 2006-04-18 Siemens Vdo Automotive Inc. Flow sensor integrated with leak detection for purge valve diagnostic
WO2005001273A1 (ja) * 2003-06-30 2005-01-06 Hitachi, Ltd. エバポリーク診断装置及び方法及び内燃機関の制御装置
JP4210626B2 (ja) * 2004-04-14 2009-01-21 トヨタ自動車株式会社 燃料蒸気パージシステムの故障診断装置、ならびにそれを備えた燃料蒸気パージ装置および燃焼機関
US7206720B2 (en) * 2005-02-24 2007-04-17 Lapant Todd Computer-controlled auxiliary fuel tank system with multi-function monitoring system and user calibration capabilities
JP4815972B2 (ja) * 2005-09-28 2011-11-16 日産自動車株式会社 蒸発燃料処理システムのリーク診断装置
JP4797994B2 (ja) * 2007-01-10 2011-10-19 日産自動車株式会社 外気温推定装置及び外気温推定方法
DE102008022079A1 (de) * 2008-05-05 2009-11-19 Continental Automotive Gmbh Verfahren und Vorrichtung zum Steuern eines Tankentlüftungsventils
WO2010029791A1 (ja) * 2008-09-11 2010-03-18 ボッシュ株式会社 燃料漏れ診断装置及び燃料漏れ診断方法
JP5023083B2 (ja) * 2009-01-20 2012-09-12 日立オートモティブシステムズ株式会社 エンジンコントロールユニット
JP5185317B2 (ja) * 2010-04-19 2013-04-17 株式会社キーレックス 自動車用燃料タンクの燃料蒸気処理装置
JP5394330B2 (ja) * 2010-06-17 2014-01-22 愛三工業株式会社 蒸発燃料処理装置の漏れ診断装置
JP2012149592A (ja) * 2011-01-20 2012-08-09 Toyota Motor Corp エバポ系リーク診断装置
JP5333532B2 (ja) * 2011-07-14 2013-11-06 株式会社デンソー 燃料蒸気漏れ検出装置
WO2013103161A1 (ko) * 2012-01-03 2013-07-11 콘티넨탈 오토모티브 시스템 주식회사 자동차의 캐니스터 퍼지 밸브의 학습 방법 및 장치
JP5998529B2 (ja) * 2012-03-09 2016-09-28 日産自動車株式会社 蒸発燃料処理装置の診断装置
JP5880159B2 (ja) * 2012-03-09 2016-03-08 日産自動車株式会社 蒸発燃料処理装置の診断装置
KR101947358B1 (ko) * 2012-08-29 2019-02-12 콘티넨탈 오토모티브 시스템 주식회사 차량의 연료 누설 진단 방법 및 장치
KR101947359B1 (ko) * 2012-08-29 2019-04-25 콘티넨탈 오토모티브 시스템 주식회사 Ｅｏｌ공정에서의 연료 누설 진단 방법 및 시스템
KR101955634B1 (ko) * 2012-10-23 2019-03-07 콘티넨탈 오토모티브 시스템 주식회사 자연부압을 이용한 증발연료 처리장치의 고장진단 방법
KR102052965B1 (ko) * 2013-04-19 2019-12-06 콘티넨탈 오토모티브 시스템 주식회사 하이브리드 차량의 연료 누설 진단 방법
US20140334946A1 (en) * 2013-05-08 2014-11-13 Volvo Car Corporation Leakage detection system and method for fuel tank systems
US9802478B2 (en) * 2013-05-30 2017-10-31 Ford Global Technologies, Llc Fuel tank depressurization before refueling a plug-in hybrid vehicle
US20150075251A1 (en) * 2013-09-16 2015-03-19 Ford Global Technologies, Llc Detecting pressure sensor offset in a phev fuel tank
US9683523B2 (en) * 2013-10-14 2017-06-20 Continental Automotive Systems, Inc. On-board diagnostic check for evap latching valves
US10267247B2 (en) 2015-12-01 2019-04-23 GM Global Technology Operations LLC Purge pump control systems and methods
US10344715B2 (en) * 2015-12-01 2019-07-09 GM Global Technology Operations LLC Purge pressure sensor offset and diagnostic systems and methods
US10190515B2 (en) 2015-12-01 2019-01-29 GM Global Technology Operations LLC Fuel vapor flow estimation systems and methods
JP6795636B2 (ja) * 2019-02-08 2020-12-02 本田技研工業株式会社 内燃機関の異常判定装置

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US5284050A (en) * 1991-04-08 1994-02-08 Nippondenso Co., Ltd. Self-diagnosis apparatus in system for prevention of scattering of fuel evaporation gas
DE4122975A1 (de) * 1991-07-11 1993-01-14 Bosch Gmbh Robert Tankentlueftungsanlage fuer ein kraftfahrzeug sowie verfahren und vorrichtung zum ueberpruefen von deren funktionsfaehigkeit
US5275144A (en) * 1991-08-12 1994-01-04 General Motors Corporation Evaporative emission system diagnostic
US5299545A (en) * 1991-09-13 1994-04-05 Honda Giken Kogyo Kabushiki Kaisha Evaporative fuel-processing system for internal combustion engines
US5295472A (en) * 1992-01-06 1994-03-22 Toyota Jidosha Kabushiki Kaisha Apparatus for detecting malfunction in evaporated fuel purge system used in internal combustion engine
JP2699769B2 (ja) * 1992-07-09 1998-01-19 トヨタ自動車株式会社 エバポパージシステムの故障診断装置
JP3252503B2 (ja) * 1992-01-17 2002-02-04 トヨタ自動車株式会社 エバポパージシステムの故障診断装置
JP2699772B2 (ja) * 1992-08-11 1998-01-19 トヨタ自動車株式会社 エバポパージシステムの故障診断装置
DE4203100A1 (de) * 1992-02-04 1993-08-05 Bosch Gmbh Robert Verfahren und vorrichtung zum pruefen der funktionsfaehigkeit einer tankentlueftungsanlage
US5267470A (en) * 1992-04-30 1993-12-07 Siemens Automotive Limited Pressure sensor mounting for canister purge system
JPH0594745U (ja) * 1992-05-29 1993-12-24 三菱電機株式会社 気密容器のリーク検出装置
JPH06108932A (ja) * 1992-09-29 1994-04-19 Mazda Motor Corp 蒸発燃料供給装置の故障検出装置
US5408866A (en) * 1992-11-25 1995-04-25 Nissan Motor Co., Ltd. Leak diagnosis system for evaporative emission control system
JP3252494B2 (ja) * 1992-11-30 2002-02-04 株式会社デンソー 燃料蒸発ガス拡散防止装置の自己診断装置
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Also Published As

Publication number Publication date
JP3565611B2 (ja) 2004-09-15
EP1059434A2 (de) 2000-12-13
DE69629404T2 (de) 2004-07-29
EP0735264A2 (de) 1996-10-02
DE69629404D1 (de) 2003-09-11
DE69625841D1 (de) 2003-02-27
US5679890A (en) 1997-10-21
JPH08270480A (ja) 1996-10-15
EP0735264B1 (de) 2003-01-22
EP1059434A3 (de) 2000-12-20
EP0735264A3 (de) 1997-10-01
EP1059434B1 (de) 2003-08-06

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