协议 – Protocols for programming interfaces

KWP2000 (ISO 14230, ISO 15765), UDS (ISO 14229) and SAE J1939 in use

任何时候，不同的测试系统（例如品牌的或自主的维修店）在访问车辆或不同的ECU节点时，那些已经标准化的协议都必须被集成到子系统中——事实上当前总是需要实现这样的要求。

UDS ISO 14229

UDS was developed with the goal of standardizing different implementations of the predecessor standards and new requirements to form one generally valid diagnostic protocol.

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OBD ISO 15031

The OBD ISO 15031 is used to read out emissions-relevant information in accordance with OBD (On Board Diagnostics) legislation.

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SAE J1939

SAE J1939 was developed last century as a higher protocol layer for CAN. The aim was to develop standard communication mechanisms for trucks regardless of the OEM, engine/transmission manufacturer and test system manufacturer.

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KWP2000 CAN

The experience with KWP2000 on the K-Line was already being transferred to CAN at the end of last century. For the first time, KWP2000 on CAN (ISO 15765) enabled the diagnostics and flash programming of a large number of ECUs via central diagnostic access.

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KWP2000 K-Line

KWP2000 on the K-Line was the first standardized diagnostic protocol used in Europe on a large scale. It defines all layers of the OSI reference model from physics through transport protocol to diagnostic services.

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DoIP ISO 13400

With Diagnostics over IP, diagnostic services introduced over UDS are used over TCP/IP and Ethernet. This makes considerably higher data rates available.

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WWH-OBD ISO 27145

Worldwide harmonized OBD consolidates the whole range of OBD specifications for cars and commercial vehicles to create one regulation valid worldwide.

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协议 – Protocols for programming interfaces

KWP2000 (ISO 14230, ISO 15765), UDS (ISO 14229) and SAE J1939 in use

UDS ISO 14229

OBD ISO 15031

SAE J1939

KWP2000 CAN

KWP2000 K-Line

DoIP ISO 13400

WWH-OBD ISO 27145

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