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Reflection and summary of the practice of repairing the electronic control system of the car

2026-07-02 20:32
2026-07-03 00:16

Vehicle electronic control system maintenance training is an important part of improving the skills and knowledge related to vehicle maintenance. The following is a reflection on the vehicle electronic control system maintenance training: ** 1. Knowledge and Skill Gains ** 1. ** Integration of Theory and Practice ** - Before the practical training, although he had some theoretical knowledge of the electronic control system, he only realized the importance of combining theory with practice when he was actually operating it. For example, the electronic control system of the engine could theoretically understand its advantages, such as allowing the engine to achieve the best performance under various working conditions. However, in the maintenance process, it was possible to truly understand how the various components worked together to achieve these advantages. For example, the injection method of the fuel injection and the operation of the intake control system needed to be deeply understood in practice. 2. ** Trouble Shooting Skill leveled up ** - He had mastered a variety of methods of fault maintenance. He learned how to perform a system check according to the steps to eliminate the engine starting difficulties. If the fault self-diagnosis was carried out first, it was an important start for the maintenance of the modern car's electronic control system. The self-diagnosis system of the car could be used to quickly obtain preliminary fault information. - Checking the vacuum level of the intake pipe at idle speed was also one of the key steps. It could reflect the working state of the intake system. When checking the air filter, it can accurately judge the blockage of the filter element and deal with it accordingly. - Learn to check the idling control valve and additional air valve related to the throttle, and judge whether the engine is working normally according to the starting conditions of the engine under different throttle openings. - Master the inspection methods of important components such as fuel pressure inspection, water temperature sensor, and air flow meter, such as measuring the resistance value with a universal meter to determine whether it meets the standards and whether it needs to be replaced. 3. ** Deepen the System's Knowledge ** - He had a clearer understanding of the classification and application of the electronic control system. For example, the electronic control system of the engine was classified according to the installation location and injection method of the fuel injection. He understood the single-point fuel injection system, multi-point fuel injection system and its sub-types, as well as continuous and intermittent fuel injection systems. - In terms of application, he understood the important role of electronic fuel injection system, electronic ignition system, idle speed control system and other sub-systems in the overall operation of the car. ** 2. Inadequacies ** 1. ** Repair efficiency issues ** - In the process of maintenance, sometimes too much time was spent on trouble-shooting. This was because they were not familiar enough with the connection between some fault phenomena and possible causes, resulting in the need to repeatedly check certain components or systems. They were not able to quickly locate the root cause of the fault. 2. ** Operation Norm ** - When testing, dismantling, and installing some components, the operation still needed to be standardized. For example, when measuring the resistance of a component with a universal meter, the measurement result might be affected because the contact of the probe was not stable and accurate enough. When dismantling and installing components with strict order requirements, the order would occasionally be reversed. 3. ** Ability to respond to complex faults ** - When faced with complex faults involving multiple systems interacting with each other, he felt a little powerless. If he couldn't link the various systems together for a comprehensive analysis, he would easily fall into the limited thinking of only focusing on a single system. ** 3. Modification measures ** 1. ** Strengthened knowledge and skill practice ** - Further in-depth study of the theoretical knowledge of the electronic control system, especially the theoretical knowledge behind different fault phenomena, through more case studies to strengthen the understanding of the relationship between faults and causes. At the same time, it would increase the chances of practical practice and improve the proficiency and speed of maintenance. 2. ** Strengthening the awareness of operational standards ** - Before each practical operation, review the standard operation process again to develop good operating habits. During the operation process, always remind yourself to pay attention to the accuracy of the operation, and perform self-inspection after the operation to ensure that the operation meets the requirements of the specifications. 3. ** Increase comprehensive analysis ability ** - For complex faults, he needed to learn more about the overall architecture of the vehicle's electronic control system and the relationship between the various sub-systems. Through simulation of complex fault scenarios for analysis training, it cultivated the way of thinking from the whole to the part, and then from the part to the whole, so that it could quickly and accurately deal with complex faults. 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2026-07-03 00:23
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