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[UDS] unified diagnostic service (UDS)

2022-04-23 06:40:00 【Tomorrow is like noon】

3、 ... and 、 Application layer protocol （2）

1. Enhanced diagnostics and regulatory requirements OBD Diagnostic specifications for OSI Mapping of layers

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2. application layer - The network layer - Interface between link layers

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3. Addressing mode （ In single frame SF For example ）

  • General addressing mode , Only used for 11 position ID
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  • Regular fixed addressing mode , Just use 29 position ID
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4. Regulatory requirements 11 position OBD CAN identifier

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