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volvo 240 speedometer repair
The reason why the electronic speed measurement is not displayed: There is a problem with the speed sensor. The problem is that many cars have a separate speed sensor. If the sensor is damaged, the speed of the vehicle cannot be detected, and the current speed cannot be displayed. There is a fault in the meter. If the meter system cannot operate normally, it is likely to be the tachometer in the meter. There is a problem with the pointer controlled by the chip. At this time, it is necessary to consider repairing or replacing the meter. The solution is: the car instrument does not display the speed, just adjust the return button on the right side of the multi-function steering wheel or the button on the right combination switch. For some models, press and hold the reset button on the instrument panel to switch the function of the car back , the display will change after a long press. The car dashboard shows no entries, which means that there is nothing on this page, which is normal, and it can be adjusted back.
The reasons for not displaying the electronic camera speed test are: the camera is damaged or blocked, the camera is damaged, and the image cannot be uploaded to the computer, so it will not be displayed naturally. The display screen is damaged. When the display screen is always black and cannot be started or there is a problem of blurred screen, it is generally broken. The wires are not in good contact, often on bad roads, and the bumpy environment may cause the wires inside the car body to loosen or fall off. The reason why the electronic camera speed test is not displayed is that the navigator is not turned on. The navigator is malfunctioning. The speed radar and electronic eye on the driving section are newly installed, and the navigator has not yet included it.
How to adjust the speedometer First press the OK button on the left lever (the light control lever on the left side of the steering wheel), then turn the dial in the middle of the lever to the theme, press OK to confirm, there are three options in it, 1: Elegance2:, eco 3: Perform Use the rotary wheel to select 3 Perform Press the OK button and the speedometer in the middle will display a red interface, and the speed will be displayed in the middle of the meter in large numbers. Just switch the mode, select the custom mode, as long as the display is set to select the sports mode. The tachometer is generally set in the instrument panel and placed symmetrically with the speedometer. The tachometer works on the principle of magnetism. It receives the pulse signal generated when the primary current in the ignition coil is interrupted. And convert this signal into a displayable speed value. The faster the engine speed, the more pulses generated by the ignition coil, the greater the speed value displayed on the meter.
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