4. Short Circuit of CAN L to Ground When a short circuit occurs between CAN L and ground, due to the fault tolerance characteristics of the CAN bus, the entire CAN network may be unable to communicate or generate related fault codes. However, for certain vehicle models, such as Haima, the fault tolerance characteristics of … Read more
To begin with, let’s recall what the normal operating voltages of CAN_H and CAN_L are. When there are issues with the CAN bus, it is often accompanied by various faults, such as abnormal dashboard displays, the vehicle failing to start, or failing to turn off after starting, etc. We will mainly introduce the 8 common … Read more
Authors: Kuang Xiaojun, Tang Xiangjiao, Li Hongbo, Wang Yong, Chang Sheng 1. Introduction to Power Management Systems The automotive power management system can monitor the state of the battery and manage the load to calculate and evaluate the starting performance of the battery, thereby determining the current state of the battery and predicting the time … Read more