JPS6469943A - Abnormality detecting apparatus of oxygen sensor - Google Patents

Abnormality detecting apparatus of oxygen sensor

Info

Publication number
JPS6469943A
JPS6469943A JP62228981A JP22898187A JPS6469943A JP S6469943 A JPS6469943 A JP S6469943A JP 62228981 A JP62228981 A JP 62228981A JP 22898187 A JP22898187 A JP 22898187A JP S6469943 A JPS6469943 A JP S6469943A
Authority
JP
Japan
Prior art keywords
heater
leakage
power supply
detecting element
engine
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
JP62228981A
Other languages
English (en)
Inventor
Kinya Kakugami
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.)
Hitachi Unisia Automotive Ltd
Original Assignee
Japan Electronic Control Systems 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 Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Priority to JP62228981A priority Critical patent/JPS6469943A/ja
Publication of JPS6469943A publication Critical patent/JPS6469943A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Oxygen Concentration In Cells (AREA)
JP62228981A 1987-09-11 1987-09-11 Abnormality detecting apparatus of oxygen sensor Pending JPS6469943A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62228981A JPS6469943A (en) 1987-09-11 1987-09-11 Abnormality detecting apparatus of oxygen sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62228981A JPS6469943A (en) 1987-09-11 1987-09-11 Abnormality detecting apparatus of oxygen sensor

Publications (1)

Publication Number Publication Date
JPS6469943A true JPS6469943A (en) 1989-03-15

Family

ID=16884898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62228981A Pending JPS6469943A (en) 1987-09-11 1987-09-11 Abnormality detecting apparatus of oxygen sensor

Country Status (1)

Country Link
JP (1) JPS6469943A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6957563B2 (en) 2003-06-04 2005-10-25 Toyota Jidosha Kabushiki Kaisha Abnormality detection device for air-fuel ratio sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6957563B2 (en) 2003-06-04 2005-10-25 Toyota Jidosha Kabushiki Kaisha Abnormality detection device for air-fuel ratio sensor

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