Common higher layer protocols that operate on top of J are SAE J and SAE J The protocol is maintained by SAE International. The standard. SAE J is a specification which defines messages that are transmitted on a SAE which defines the requirements for the hardware and basic protocol that is . High-performance J software based protocol stack. Complete J source code is provided.
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It has mostly been used for US made vehicles, and also by Volvo.
Fault Code Protocols for J & J – Mitchell 1 ShopConnection
Up toindividual OEMs used their own connectors. SAE J is a standard used for serial communications between ECUs on a heavy duty vehicle and also between a computer and the vehicle. The hardware utilized are RS transceivers wired for open collector operation through the use of a pullup and pulldown of the separate data lines.
A message is composed of up to 21 characters, unless the engine is stopped and the vehicle is not prptocol in which case transmitters are allowed to exceed the 21 byte max message length.
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The J protocol uses different diagnostic connectors. Transmission is accomplished by controlling the driver enable pin of the transceiver. This article about an automotive technology is a stub.
Some OEMs still use the 6-pin Pgotocol. Technical and de facto standards for wired computer buses. Retrieved from ” https: This page was last edited on 29 Aprilat From Wikipedia, the free encyclopedia. From tothe 6-pin Deutsch-connector was standard.
About J protocol – PowerVision Forums Archive
This page was last edited on 26 Augustat Views Read Edit View history. Automotive technology stubs Automotive technologies Automotive standards.
Interfaces are listed by their protkcol in the roughly ascending order, so the interface at the end of each section should be the fastest. From Wikipedia, the free encyclopedia.
Interfaces are listed by their speed in the roughly ascending order, so the interface at the end of each section should be the fastest. Retrieved from ” https: Automotive standards Technology stubs. Technical and de facto standards for wired computer buses.
The protocol is maintained by SAE International. This method allows multiple devices to share the bus without the need for a single master node. Languages Deutsch Polski Edit links.
J1587 Source Code
You can help Wikipedia by expanding it. Beginning inmost OEMs converted to the 9-pin Deutsch. Views Read Edit View history.