CAN Protocol Message 1. Types of Frames Communication is conducted through the following 5 types of frames. ● Data Frame ● Remote Frame ● Error Frame ● Overload Frame ● Frame Interval In addition, the data frame and remote frame have both standard and extended formats. The standard format has11 bits identifier (Identifier: hereinafter referred … Read more
5. Short Circuit of CAN L to Power (Positive) When a short circuit occurs between CAN L and the power (positive), due to the fault tolerance characteristics of the CAN bus, the entire CAN network may be unable to communicate or generate related fault codes. Because of the short circuit of CAN L to the … Read more
Follow our public account, click the “···” in the upper right corner of the homepage, set it as a star, and stay updated on the latest news in smart automotive electronics and software. Source: OBD Diagnosis Abstract The CAN bus is a serial data communication protocol developed to solve data exchange between numerous control and … Read more
Click on the blue text Follow us Working Principle When a node (station) on the CAN bus sends data, it broadcasts it in the form of a message to all nodes on the network. For each node, regardless of whether the data is intended for itself, it still receives it. The first 11 bits of … Read more
CAN Protocol Message 1. Types of Frames Communication is carried out through the following 5 types of frames. ● Data Frame ● Remote Frame ● Error Frame ● Overload Frame ● Frame Separation Additionally, the Data Frame and Remote Frame have both standard and extended formats. The standard format has an 11 bit identifier (Identifier: … Read more
When it comes to the usage of can, some might say, it’s simple; it is a modal verb meaning “can, may, or be able to”? So easy. Actually, it’s not that simple. can [kæn] aaux.can;be able to;able to;may Besides the meanings mentioned above, can also… vt.to seal something in a jar for preservation n.can;container;food can … Read more
Author • Expert Truck Repair 1 Introduction to CAN Instrumentation With the continuous development of commercial vehicles, their instrumentation has undergone significant changes, gradually moving towards electronic, digital, intelligent, and networked systems. As an important interface for information exchange between the driver and the vehicle, automotive instrumentation is currently evolving towards the CAN bus instrumentation … Read more
When there are issues with the CAN bus, it is often accompanied by various faults, such as abnormal dashboard displays, the vehicle not starting, or not being able to turn off after starting, etc. We will mainly introduce the eight common types of CAN bus faults and specific troubleshooting methods. Below is the main text. … Read more
Follow our WeChat public account, click the top right corner of the public account homepage “ ··· ”, set a star mark to receive real-time updates on the latest news in smart automotive electronics and software. Source: Automotive Maintenance and Repair What is CAN? “Controller Area Network”, or CAN, is one of the most widely … Read more
Currently, the communication for vehicle control in new energy vehicles is mainly based on the CAN bus. Almost all Electronic Control Units (ECUs) communicate via the CAN bus, including BMS, braking systems, motor control, etc. Since the vehicle CAN bus messages contain real-time data from key system components, parsing the vehicle CAN bus message data … Read more