JPS5257421A - Diagnosis equipment for secondary air supply equipment - Google Patents
Diagnosis equipment for secondary air supply equipmentInfo
- Publication number
- JPS5257421A JPS5257421A JP13295975A JP13295975A JPS5257421A JP S5257421 A JPS5257421 A JP S5257421A JP 13295975 A JP13295975 A JP 13295975A JP 13295975 A JP13295975 A JP 13295975A JP S5257421 A JPS5257421 A JP S5257421A
- Authority
- JP
- Japan
- Prior art keywords
- equipment
- air supply
- secondary air
- diagnosis
- supply equipment
- 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
Links
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
PURPOSE: To carry out automatically diagnosis for the secondary air supply equipment, measuring discharge pressure of air pump at the opening and closing of the secondary air supply control valve.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13295975A JPS5257421A (en) | 1975-11-07 | 1975-11-07 | Diagnosis equipment for secondary air supply equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13295975A JPS5257421A (en) | 1975-11-07 | 1975-11-07 | Diagnosis equipment for secondary air supply equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5257421A true JPS5257421A (en) | 1977-05-11 |
Family
ID=15093488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13295975A Pending JPS5257421A (en) | 1975-11-07 | 1975-11-07 | Diagnosis equipment for secondary air supply equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5257421A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01216011A (en) * | 1988-02-23 | 1989-08-30 | Nissan Motor Co Ltd | Secondary air introducing device for internal combustion engine |
JPH0357811A (en) * | 1989-07-26 | 1991-03-13 | Nissan Motor Co Ltd | Exhaust gas clarification system diagnostic device of internal combustion engine |
-
1975
- 1975-11-07 JP JP13295975A patent/JPS5257421A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01216011A (en) * | 1988-02-23 | 1989-08-30 | Nissan Motor Co Ltd | Secondary air introducing device for internal combustion engine |
JPH0357811A (en) * | 1989-07-26 | 1991-03-13 | Nissan Motor Co Ltd | Exhaust gas clarification system diagnostic device of internal combustion engine |
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