🎯 In this video I explain how to test the Mass Airflow sensor on a Toyota Corolla 2012 with a multimeter. MAF sensor can bring many problems including the rough engine and bad fuel consumption, so knowing how to test this sensor is very important. I start by explaining the sensor's wiring diagram, and we identify all wires on the sensor. After that, I show you how to check the sensor operation and sensor wiring with a multimeter. ~~~~~~~~~~~~~~~~~ 🎯 Online Courses: 🧑🎓 Automotive Engine Sensors Intro, Operation & Diagnosis Online Course: https://fix-it-first.com.au/course/au... 🧑🎓Automotive Engine Actuators Intro, Operation & Diagnostic: https://fix-it-first.com.au/course/au... 🧑🎓 Smart Key System (Push Button Start) Operation & Diagnostic in ANY Hyundai & KIA Vehicles https://fix-it-first.com.au/course/sm... 🧑🎓 Automotive LIN-Bus & K-Line Inro, Application & Diagnosis https://fix-it-first.com.au/course/au... 🧑🎓 ABS & Traction Control System Diagnostic Online Course https://fix-it-first.com.au/course/ab... 🧑🎓 Starting System Diagnostic & Schematics Analysis Online Course: https://fix-it-first.com.au/course/au... ~~~~~~~~~~~~~~~~~~~~~~~~ 🎯 You might be interested to watch the following videos too: ▶️ How to Test & Fix Mass Air Flow Sensor • How to Test & Fix Mass Air Flow Sensor Fau... ▶️ Everything about ELECTRIC POWER STEERING | EPS Motor, Torque Sensor, EPS Calibration & Coding • ELECTRIC POWER STEERING Secrets Revealed! ▶️ How Immobilizer Works | Transponder Chip, Immobilizer Components, How to Bypass Immobilizer • How Immobilizer Works | Transponder Chip,... ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 🎯 Please follow us on the following social media too: 🌐 / autodiag001 🌐 / automotivediagnosis 🌐 https://fix-it-first.com.au/ #engine #P0101 #P0102 #P0103 #enginerepair #toyota #corolla ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 🎯 Disclaimer: Any information contained in this video is just the understanding of “Automotive Diagnosis: Cars Repair & Training Guides” and it is not an official guide or reference, so everything provided in this video is just a share of our experience and understanding and they are provided as a courtesy for your reference only. So, if you are using any part of this video, use the information at your own risk. We highly advise you to check the manufacturer owner’s manual before performing any act of removal, diagnosis, inspection, or repair on your car to know about what you are authorized to do on your car, what the correct and legal procedure is and what risks might be involved, also viewers are strongly advised to consult a licensed person before any sort of inspection or repair. Due to the factors beyond the control of “Automotive Diagnosis: Cars Repair & Training Guides”, we cannot guarantee against improper use of information or tools or systems, or the procedure provided. “Automotive Diagnosis: Cars Repair & Training Guides” disclaims any damage, injury or loss caused by your decision to follow the steps provided in this video.