Solutions for K- and L-Line

The K-Line is a bidirectional single wire bus used for data transfer in the automotive engineering and is standardized as ISO 9141 and ISO 14230-1. In combination with the L-Line for vehicle diagnostics, the K-Line runs also unidirectional.

In accordance with the norms, the L-Line is only designed to stimulate the control unit and remains after that on high-level. In practice, such initialization is unusual and is processed for most vehicles by the K-Line.

The K- and L-Line are especially used for external communication (e.g. on-board-diagnostic of control units). The transmission is only running in one of both directions and after completion of the data telegram also in the opposite direction.

 

samtec offers the following solutions for the K- and L-Line:

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