Which one should I choose for air flow meter power cord | mass flow controller?

『Air flow meter power cord』Related information(v cone flow meter|rotary gas meter|gallon meter|gear meter|metal tube rotameter|glass tube rotameter|nutating disk meter|transit time ultrasonic flow meter|wedge flow meter|pd meters|hydraulic flow meter|ultrasonic water flow meter|water flow meter|air flow meter|magnetic water flow meter|oxygen flow meter|gas flow meter|argon flow meter|air velocity meter|gasoline flow meter|fuel flow meter|ultrasonic water meter|digital water meter|nitrogen flow meter|solid flow meter|Oxygen tank flow meter|digital water flow meter|diesel fuel flow meter|steam flow meter|02 flow meter|compressed air flow meter|oil flow meter|liquid flow meter)

According to the information, the Passat 1.8T air flow meter says 5V for the 2nd horn and 12V for the 4th pin, but when I repair this car, its just the opposite ...

Are you referring to an automatic transmission car? I have also encountered this phenomenon before. Draft 2: Good wheel angle represents the signal line given by the computer. Horn 5 represents the key signal power line. My suggestion is for you to open the sensor inside the air flow of the original Sockland vehicle and check if the sensing wire on the needle is disconnected. The air flow you mentioned should be from the four differential needle, or if the air flow itself lacks a grounding wire. You can use a multimeter to measure if the two wires are connected to the wire number. How many wires are there for the air flow meter?

Remember the flow rate with five wires, two intake

3. How to measure the air flow rate with four wires?

Hello, the air flow meter has four wires.. There are three wires for the air flow meter, followed by one wire for the intake temperature. As for the air flow meter, it is powered by a 12 volt supply. A spirit talisman made of iron. There is also a signal line in the Four Rolling Bureau, which is usually around 1.5 volts to 3.7 volts. And the temperature line is shared. If the signal of the temperature of the root wire is caused by four cracks, it should be a stable voltage of around 3.5 volts, which may vary depending on the temperature of the ground preparation area. I hope it is helpful to you.

4. Which quality flow controller should I choose?

『SILVER Official Website SERVICE』