JPS57173569A - Self diagnostic device of ignition system - Google Patents

Self diagnostic device of ignition system

Info

Publication number
JPS57173569A
JPS57173569A JP5702481A JP5702481A JPS57173569A JP S57173569 A JPS57173569 A JP S57173569A JP 5702481 A JP5702481 A JP 5702481A JP 5702481 A JP5702481 A JP 5702481A JP S57173569 A JPS57173569 A JP S57173569A
Authority
JP
Japan
Prior art keywords
mode
abnormality
lamp
self diagnostic
switch
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
JP5702481A
Other languages
Japanese (ja)
Other versions
JPH0135180B2 (en
Inventor
Akira Teragakinai
Yasunori Mori
Osamu Abe
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 Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5702481A priority Critical patent/JPS57173569A/en
Publication of JPS57173569A publication Critical patent/JPS57173569A/en
Publication of JPH0135180B2 publication Critical patent/JPH0135180B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P17/00—Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
    • F02P17/02—Checking or adjusting ignition timing

Abstract

PURPOSE:To surely perform self diagnostic operation with simple constitution, in a self diagnostic device of an ignition system through a microcomputer, by operating an abnormal diagnostic means only when an engine stalls. CONSTITUTION:A warning lamp 1106 is lighted by turning ON a key switch, turned off by starting an engine and checked its own abnormality. If abnormality is caused in each sensor 132-146, each switch 148-152, each actuator 12, 32, 61 and their amplifier 62, transistor 90, etc., said lamp is turned to a flicker mode. When operation can not be continued by this flickering state, if a display switch 1108 is operated, the mode is transferred to a CPU102 through a DIO128, and a control circuit switches a program to a display mode of a fault code. In this program, a lighting mode of the lamp 1106 is controlled in accordance with a read code of an ROMII, and abnormality place and contents are specifically decided.
JP5702481A 1981-04-17 1981-04-17 Self diagnostic device of ignition system Granted JPS57173569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5702481A JPS57173569A (en) 1981-04-17 1981-04-17 Self diagnostic device of ignition system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5702481A JPS57173569A (en) 1981-04-17 1981-04-17 Self diagnostic device of ignition system

Publications (2)

Publication Number Publication Date
JPS57173569A true JPS57173569A (en) 1982-10-25
JPH0135180B2 JPH0135180B2 (en) 1989-07-24

Family

ID=13043855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5702481A Granted JPS57173569A (en) 1981-04-17 1981-04-17 Self diagnostic device of ignition system

Country Status (1)

Country Link
JP (1) JPS57173569A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233446A (en) * 1988-07-22 1990-02-02 Hitachi Ltd Diagnostic system for engine control device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566134A (en) * 1979-06-28 1981-01-22 Nissan Motor Co Ltd Diagnostic unit of controller for car

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566134A (en) * 1979-06-28 1981-01-22 Nissan Motor Co Ltd Diagnostic unit of controller for car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233446A (en) * 1988-07-22 1990-02-02 Hitachi Ltd Diagnostic system for engine control device

Also Published As

Publication number Publication date
JPH0135180B2 (en) 1989-07-24

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