JPH0345447U - - Google Patents

Info

Publication number
JPH0345447U
JPH0345447U JP10712989U JP10712989U JPH0345447U JP H0345447 U JPH0345447 U JP H0345447U JP 10712989 U JP10712989 U JP 10712989U JP 10712989 U JP10712989 U JP 10712989U JP H0345447 U JPH0345447 U JP H0345447U
Authority
JP
Japan
Prior art keywords
air
fuel ratio
ratio sensor
activation determination
output signal
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
JP10712989U
Other languages
English (en)
Other versions
JPH0648133Y2 (ja
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 filed Critical
Priority to JP10712989U priority Critical patent/JPH0648133Y2/ja
Publication of JPH0345447U publication Critical patent/JPH0345447U/ja
Application granted granted Critical
Publication of JPH0648133Y2 publication Critical patent/JPH0648133Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measuring Oxygen Concentration In Cells (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Description

【図面の簡単な説明】
第1図は本考案の活性判別装置を含む空燃比制
御装置の全体構成図、第2図は活性判別を行うプ
ログラムのフローチヤート、第3図は空燃比セン
サの出力電圧(Vo)及びその平均値(Vo
AVE)の推移を示す図である。 1……内燃エンジン、9……電子コントロール
ユニツト(ECU)、14……排気管、16……
センサ(空燃比センサ)。

Claims (1)

    【実用新案登録請求の範囲】
  1. 内燃エンジンの排気系に設けられた空燃比セン
    サの活性状態を前記空燃比センサの出力信号及び
    該出力信号の平均値信号に基づいて判別する活性
    判別手段を有する空燃比センサの活性判別装置に
    おいて、前記出力信号が所定値以下の運転状態の
    ときに前記活性判別を実行させる運転状態判別手
    段を設けたことを特徴とする空燃比センサの活性
    判別装置。
JP10712989U 1989-09-12 1989-09-12 空燃比センサの活性判別装置 Expired - Lifetime JPH0648133Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10712989U JPH0648133Y2 (ja) 1989-09-12 1989-09-12 空燃比センサの活性判別装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10712989U JPH0648133Y2 (ja) 1989-09-12 1989-09-12 空燃比センサの活性判別装置

Publications (2)

Publication Number Publication Date
JPH0345447U true JPH0345447U (ja) 1991-04-26
JPH0648133Y2 JPH0648133Y2 (ja) 1994-12-07

Family

ID=31655837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10712989U Expired - Lifetime JPH0648133Y2 (ja) 1989-09-12 1989-09-12 空燃比センサの活性判別装置

Country Status (1)

Country Link
JP (1) JPH0648133Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007155605A (ja) * 2005-12-07 2007-06-21 Toyota Motor Corp 排気ガスセンサシステム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007155605A (ja) * 2005-12-07 2007-06-21 Toyota Motor Corp 排気ガスセンサシステム

Also Published As

Publication number Publication date
JPH0648133Y2 (ja) 1994-12-07

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term