汽车CAN高速网故障特征波形分析

Cars CAN High-Speed Network Fault Signature Waveform Analysis

介绍了CAN高速网的波形特征,系统总结了CAN-H断路、CAN-H与电源正极短路、CAN-H与电源负极短路、CAN-L断路、CAN-L与电源正极短路、CAN-L与电源负极短路、CAN-H与CAN-L短路7种故障的波形,为CAN线的学习者及汽车检测与维修技术提供了参考。

This paper introduces the waveform characteristics of CAN high-speed network system, summarizes the CAN-H circuit, CAN-H circuit, CAN-H power supply and the positive and negative electrodes of the power sup- ply circuit, CAN-L circuit, CAN-L circuit, CAN-L power supply and the positive and negative electrodes of the power supply circuit, CAN-H and CAN-L 7 kinds of short circuit fault waveform, provides a reference for learners and vehicle inspection and maintenance technology for CAN line.