How long does it take to reset the computer after the car is powered off, and how to restore the data when the battery is powered off

A lot of information is stored in the ECU of a car, and the effect of resetting the ECU can be achieved by disconnecting the power supply.Generally, the computer will be reset about 5-10 minutes after the car is powered off, the system time, single timemileage, The driver's driving habits and vehicle usage information will be reset to zero, but for technical parameters such as the throttle valve, you need to issue instructions through an external terminal to reset.

Generally, after the battery is powered off, the trip computer will reset, some data such asTire pressure monitoringData, fuel consumption data, etc., need to be reset, and usually return to normal after a period of driving. For some data, the factory settings may be restored, or it may be lost. At this time, you need to go to the 4s shop to restore it with professional equipment.

How to reset the computer

1. Turn off the car and turn off all electrical equipment.

2. Unplug the battery line, first pull out the negative pole and then pull out the positive pole.

3. Wait about 10 minutes, and then reconnect the battery.

4. Turn on the power without starting the engine, turn on the electrical equipment in the car, and wait for 30 seconds.

5. After all the sensors on the car are monitored, turn off the key switch.

6. Wait 30 seconds, start the engine directly, and turn on the electrical equipment in the car. At this time, the ECU will be reset, all data will be initialized, and the factory settings will be restored.