Troubleshooting A 1996 Hyundai Sonata Mass Ventilation Sensor

Your 10 megohm digital multimeter Testament facilitate you diagnose the MAF sensor in your 1996 Hyundai Sonata.


The Bulk air flow (MAF) sensor in your 1996 Hyundai Sonata measures the magnitude of air flowing washed-up the air cleaner assembly and into the engine. Overtime, though, dirt sticking on internal wires, circuitry malfunctions and failed internal components may render the MAF inoperative. So, finding the authentic source of the poser is meaningful to avoid accidental replacements and expensive repairs. The MAF sensor in your Sonata is relatively accessible and you can troubleshoot it Homewards with a minimum of Accoutrement and tools.


Instructions


1. Back probe the MAF sensor vocable output and ground wires with your 10 megohm digital multimeter. The bloodshot wire with a glum stripe is the vocable wire. The bosky wire with the blanched stripe, or third wire from the expression wire, is your ground.


Airy the hood and allot the MAF sensor. You Testament boast the sensor mounted in the air cleaner assembly, between the air box, which contains the air filter, and the throttle oppose, which is the gate to the intake manifold, on top of the engine. You Testament gaze a four-prong electrical connector protruding from the sensor.


3. Gaze the wires visually in the harness connector relevant to the sensor's connector, production persuaded they are in admirable context and properly attached. Slightly pull on Everyone of the four wires to constitute definite they are firmly attached.


4. Lawns your Sonata in a situate with Sufficiently air ventilation. Whether you are inside your garage, cleared the door to the driveway. Launch the engine and let inoperative for approximately 15 minutes so that it reaches operating temperature and then turn off the engine.2. Connect the blooming metre probe to the expression wire and the nigrous probe to the ground wire.


5. Place your meter to a low range on the Direct Voltage scale so that you can read up to 5 volts.


6. Ask an assistant to begin the engine and to keep it at idle. Read off the value on your digital meter display. It should be between 0.7 and 1.1 volts.


7. Ask your assistant to rev up the engine up to 3000 rpm. Your meter display should read now between 1.3 and 2.0 volts. Turn off the engine. If the MAF sensor failed these tests, disconnect the ground (black) battery cable with a wrench and remove the sensor from the air cleaner assembly with a Phillips screwdriver without touching the mesh wires inside the sensor.


8. Place the sensor on a workbench and spray the wire mesh with mass air flow sensor cleaner, following the instructions on the product label, and reinstall the sensor in the air cleaner assembly.


9. Reconnect the ground (black) battery cable with a wrench and repeat steps 4 through 7. If your MAF sensor's readings are still out of specification, replace it.