What does lavida instrument EPC mean?

EPC=ElectronicPowerControl (full name of engine electronic stability system), many people also call it electronic throttle.

The system consists of some sensors, controllers and other components. When the sensor fails or senses an abnormal situation, the control system will take corresponding measures according to the set program.

EPC indicator lights are more common in the public. After the key door is opened, the vehicle starts self-inspection, and the EPC indicator light will light up for a few seconds and then go out. If the vehicle does not go out after starting, it means that the mechanical and electronic system of the vehicle has failed. Generally speaking, EPC lights have two possibilities. First, the throttle is dirty and needs cleaning. In another case, the brake light is not on, so it is necessary to check the brake switch and wiring.

Also, due to the oil problem, the EPC fault light will also light up. The EPC light of Volkswagen shows that there is something wrong with the vehicle. It is recommended to go to the 4s shop for inspection as soon as possible.

Extended data

superiority

1, the biggest advantage of electronic throttle control system is that it can achieve the best torque output of the engine in the whole range.

2. Accurately control the throttle opening.

ECU first judges and processes various working condition information and sensor signals, then calculates the optimal throttle opening, and then the driving motor controls the throttle to reach the corresponding throttle opening.

3. The emission performance of the engine is improved. ETC system accurately controls the air-fuel ratio under various working conditions, which makes the combustion more complete and reduces the generation of waste gas. At idle speed, the throttle valve is kept at a very small opening to stabilize combustion, which improves fuel economy and further controls emissions.

4. It has high vehicle running reliability.

The electronic throttle control system is designed with redundant sensors. From the control point of view, the system can run normally with only one sensor, but the redundant design allows two sensors to detect each other and identify one sensor in time when it fails, which greatly increases the reliability of the system and ensures the safety of driving.

5. You can choose different working modes.

Drivers can choose different working modes through mode switches according to different driving needs, and there are usually three modes: normal mode, power mode and snow mode. The difference is that the response speed of the accelerator to the accelerator pedal is different.

Reference: Baidu Encyclopedia-Electronic Throttle