OBD系统详述(4)

汽车电子诊断OBD相关文档

K-Line

ISO/9141-2

1994/Amd.1: 1996, Road vehicles — Diagnostic systems — Part 2: CARB requirements for interchange of digital information — Amendment 1

ISO/14230-4 (KWP2000)

This is a newer version of the ISO9141 protocol. It has a provision for a fast initialization which may be used instead of the slow 5bps handshake sequence.

CAN (Controller Area Network)

ISO/15765, SAE/J2480

CAN is becoming the most widely used bus for in-vehicle communications. It is a high speed/high performance protocol.

非标准协议

LIN (Local Interconnect Network)

LIN is a low cost, low speed, in-vehicle network intended to complement the higher performance CAN network. Vehicle systems with modest network requirements are placed on a LIN sub-network to reduce costs. The LIN sub-networks connect to the vehicle’s CAN network via gateways. LIN uses a single-wire enhanced ISO9141 implementation (non-OBDII protocol).

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