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Remote Measuring System for Automobile′s ECU Self Diagnostic Signal  

Jeong, Jin-Ho (전북대학교 대학원 기계공학과)
Yun, Yeo-Heung (전북대학교 기계공학과)
Lee, Young-Choon (전북대학교 기계공학과)
Kwon, Tae-Kyu (전북대학교 기계공학과)
Lee, Seong-Cheol (전북대학교 기계공학부(MRC))
Publication Information
Journal of the Korean Society for Precision Engineering / v.19, no.5, 2002 , pp. 159-167 More about this Journal
Abstract
In this paper. we present a new method for monitoring of ECU's self diagnostic signals of vehicle without wire. In order to measure the ECU's self diagnostic signals, the interfaced circuit is designed to communicate ECU and designed terminal according to the IOS, SAE regulation of communication protocol standard. Micro-processor 80C196KC is used for communicating ECU's self diagnositc signals and the results are sent to the wireless terminal and PC monitoring system. Wireless terminal is also developed by 80C196KC, LCD, RF module, and keypad. The command from the keypad is sent to ECU through RF module and the result show on the Graphic LCD in real time. Software on PC is developed to monitor the ECU's self diagnostic signals using the Visual C++ complier in which RS232 port is programmed by half duplex method. The algorithms for measuring the ECU's self diagnostic signals are verified to monitor both ECU and portable terminal state. At the same time, the information to fix the vehicle's problem can be shown on the developed software. The possibility for remote measurement of ECU self diagnostic signal is verified through the developed systems and algorithms.
Keywords
ECU; ISO; OBD; Self Diagnostic Signal; (On Board Diagnostics); RF wireless module;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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