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The Electronic Control Unit for Production Electronic Fuel Injection Systems
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English
Abstract
This paper presents a functional description of the 1975 production Electronic Fuel Injection system, relating system performance to automobile performance requirements. It addresses in particular the architecture and physical design of the heart of the system, the Electronic Control Unit (ECU). Accuracy requirements and environmental and durability constraints imposed on ECU design are discussed.
The extensive on-line testing that must be performed to ensure necessary levels of accuracy on a cost-effective basis and at throughput rates consistent with automotive production scheduling is shown to have presented a major manufacturing challenge. Design modifications expected to result from present and anticipated technological advances are overviewed.
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Citation
Rivard, J., "The Electronic Control Unit for Production Electronic Fuel Injection Systems," SAE Technical Paper 760242, 1976, https://doi.org/10.4271/760242.Also In
References
- Sutton R. W. Woodworth S. G. Hartman C. A. “Fuel Injection Systems.” 18 April 1961
- Rivard J. G. “Electronic Fuel Injection in the U.S.A.” Paper No. 741224 International Colloquium on Automotive Electronic Technology - Convergence '74 Troy, Michigan 28-30 October 1974
- Schlag J. H. “Automatic Computer-Controlled Calibration of EFI Control Units.” Paper No. 760243 SAE Automotive Engineering Congress Detroit, Michigan 23-27 February 1976
- Ahern C. J. Bata G. T. Tarter J. H. Wolber W. G. “The EFI-Control-Unit Final Test Station.” Paper No. 760244 SAE Automotive Engineering Congress Detroit, Michigan 23-27 February 1976
- Wolber W. G. Bata G. T. David C. V. Gollomp B. Kudlaty P. R. “A Precision Pressure-Source System for EFI-Control-Unit Calibration and Test.” Paper No. 760245 SAE Automotive Engineering Congress Detroit, Michigan 23-27 February 1976
- Young A. E. Locher D. H. Wolber W. G. “An On-Line Pressure Monitor for EFI-Control-Unit Test Diagnostics.” Paper No. 760246 SAE Automotive Engineering Congress Detroit, Michigan 23-27 February 1976
- Mounteer C. A. Lockie L. M. Jr. “Automatic Testing of Pressure Transducers for Fuel Injection Systems.” Paper No. 760247 SAE Automotive Engineering Congress Detroit, Michigan 23-27 February 1976