![]() ![]() The MAF cue/signal cord goes to the car’s electronic control unit. What Is Mass Air Flow (MAF) Sensor, How it Works, & FunctionsĤ Pin Mass Air Flow Sensor Wiring Diagram Four-Pin-MAF-Sensor-Wiring- DiagramĪ 4-wire mass air mass sensor has a 12-volt positive battery voltage, which is connected to the fuse box’s fuse and relay in the connector. ![]() This cue indicates the amount of air reaching the consumption manifold so that the engine control unit can adjust gasoline delivery accordingly in order to maintain optimum ignition efficiency. It then processes that information and sends a cue to the vehicle’s Electronic Control Unit. As the air passes over the hot element, the temperature drops, and this change is used to determine the mass of the air flowing through the sensor. The MAF sensor is typically located in the air intake tube or air filter box, and it consists of a hot connector or hot film element that is cooled by the incoming air. The Mass Airflow Sensors work by measuring the mass of an engine’s intake air system. The Benefits of Having a Working MAF Sensor.5 Wire Mass Air Flow Sensor Wiring Diagram.4 Pin Mass Air Flow Sensor Wiring Diagram.3 Wire Mass Air Flow Sensor Wiring Diagram. ![]()
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