Which eight sensors are on the car? What's the function? A little more detail.
1. engine coolant level sensor, which is on the coolant expansion tank lid. When the cooling level of the engine drops, turn on the alarm light. This switch is normally closed.2. engine coolant temperature sensor, which is on the coolant expansion tank lid. The resistance of the temperature sensor varies directly with the coolant temperature, and the sensor sends a mediation signal to the instrument panel, voltage control instrument.3. engine oil pressure sensor, this sensor is in the machine stone side, is the normally closed switch. The resistance of the sensor is directly proportional to the engine oil pressure, and the adjustment signal, voltage and operating instrument are detected to the instrument group.4. crash sensors5. air flow sensor the air flow sensor converts the inhaled air into electrical signals and sends them to the electronic control unit (ECU) as one of the basic signals to determine the fuel injection.6. air pressure sensor intake air pressure sensor can measure the absolute pressure in the intake manifold of the engine according to the load condition, and converted into electrical signals and speed signals together into the computer, as a basic injector fuel injection quantity basis.7. crankshaft position sensor crankshaft position sensor is also known, the most important sensors in computer controlled ignition system, its function is to detect the TDC signals, crank angle signals and engine speed signal, and the input to the computer so that the computer can be in the firing order of the cylinder from the best ignition time instruction. 8. knock sensor, knock sensor installed on the cylinder block of the engine, monitor the engine's knock at any time. There are two kinds of resonance and non resonance.
1. crankshaft speed sensor is used to detect engine speed and determine the top dead center of a (four) cylinder.2. camshaft position sensor, used to distinguish one (four) cylinder compression tdc.3. throttle position sensor for detecting throttle position of engine (also used to provide engine load signal).4. knock sensor used to detect engine knock.5. water temperature sensor for detecting engine coolant temperature (providing engine temperature signals).6. inlet temperature sensor for detecting inlet temperature.7. intake manifold absolute pressure sensor for detecting intake pressure in intake manifold.8. air flow meter used to check the quality of intake air.9. accelerator pedal position sensor for detecting accelerator pedal position.10. wheel speed sensor for detecting wheel speed.11. speed sensor, used to detect speed.In addition, wind speed sensor, rainfall sensor, light intensity sensor, body height sensor, fuel level sensor, fuel temperature sensor, oil pressure sensor, injector lift sensor etc..
The air flow sensor detects the intake volume of the engine and controls the injection quantityThe intake pressure sensor detects the intake manifold vacuum and determines the intake volumeThe throttle position sensor detects throttle opening and controls injection speed during accelerationThe camshaft position sensor detects the camshaft position, identifies the top stop point of the cylinder compression stroke, controls sequence, fuel injection and ignitionThe crankshaft position sensor detects the position of the crankshaft and the engine speed, and controls the injection and ignitionThe oxygen sensor detects the oxygen content in the exhaust gas, judges that the mixture is dense and dilute, and correct the air-fuel ratioThe water temperature sensor detects the water temperature of the engine and correct the ignition time and fuel injectionKnock sensor detects whether the engine is knocking, delayed ignition time, and eliminates knock
