Japan Electronic Control System Co.

Japan Electronic Control System Co.

Japan Electronic Control System Co., Ltd. ("JECS") was formed in June 1973.cite web | date=2006-09-02 |url= http://www.bosch.co.jp/en/japan/history_japan/ |title= History of Bosch Group in Japan.] It was a joint venture between Robert Bosch GmbH, Nissan Motor Co. and Diesel Kiki Co., Ltd.. It enabled Nissan to use Bosch's engine control technology, and gave Bosch access to the Japanese market. JECS later expanded to manufacture many other automotive parts besides EFI systems.

History

*1956 Unisia established.

*June 1973 JECS formed.

*1993 JECS merges with Atsugi Unisia, becoming Unisia JECS Corp.

*November 1999 The French clutch company Valeo buys shares in Unisia JECS clutch division to gain entry to the Japanese market.

cite web | date=2006-09-03 | url= http://www.bdallc.com/news/Auto/pdf/Autonews%20Dec99.pdf |title= Business Development Asia Auto Newsletter December 1999.] This closely follows Renault's purchase of a controlling interest in Nissan, April of the same year.

*Mid 2001 Unisia JECS forms joint venture with Bosch Braking Systems Co. to produce power steering systems.

cite web | date=2006-09-03 | url= http://www.bdallc.com/news/Auto/pdf/Asian%20Automotive%20Newsletter%20December%202000.pdf |title= Business Development Asia Auto Newsletter December 2000.]

*October 2002 100% of Unisia JECS Corp. bought by Hitachi, delisted from stock market, renamed Hitachi Unisia Automotive, Ltd.. Previously, Nissan Motor, Hitachi and Robert Bosch owned 25%, 17% and 10% respectively.

cite web | date=2006-09-02 | url= http://www.bdallc.com/news/Auto/pdf/Asian%20Auto%20Newsletter%20June%202002.pdf |title= Business Development Asia Auto Newsletter June 2002.]

*2003 Unisia JECS opens factory in Shenzhen, China, to cut costs as demanded by Nissan.

cite web | date=2006-09-02 |url= http://www.bdallc.com/news/Auto/pdf/Asian%20Auto%20Newsletter%20February%202002.pdf
title= Business Development Asia Auto Newsletter February 2002.]

*2004 Hitachi Unisia Automotive Ltd. merged into Hitachi, Ltd.

*2004 Unisia JECS opens factory in Guangzhou, China, to make water pumps and valves.

Motorsport Sponsorship

Unisia JECS sponsored the Hasemi Motorsport team in JTCC and JGTC from 1991 until 2002. The Unisia JECS Skylines (GT500) and Silvias (GT300) also featured in video games & toys.

Technology

Electronic Fuel Injection

Bosch first produced the Jetronic EFI system in 1967. K-Jetronic & L-Jetronic followed from around 1973cite book | first = Christine et al. | last = Siegel | pages = pg. 30-33 | year = 2006 | title = Journal of Bosch History | publisher = Bosch] which is when Nissan became involved.

L-Jetronic

Early JECS systems were L-Jetronic, with Bosch moving vane airflow meters. These systems used a mixture of German & Japanese parts. The electronics were Japanese, the sensors often German, the fuel pumps/regulators made under license to Bosch by DENSO.

LH-Jetronic

By the mid 80's, JECS were using LH-Jetronic, and the new Bosch hotwire mass airflow meter. The early JECS LH-Jetronic systems were based on a Motorola 6800 architecture, using a lot of Hitachi components. The earliest hotwire meters were still from Germany, but by the end of the eighties all of the system components (pumps, sensors, injectors, ECU) were being made in Japan.

References


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