How to test a knock sensor (P0328) - Nissan

In this video I will show you how to quickly test a knock sensor circuit. This procedure applies to any knock sensor that has a bias voltage sent to it and is not unique to Nissan. Other manufactures are doing the same thing, making the circuit very easy to test. Engine Performance Diagnostics chapter 10 pages 6-7 Symptoms - check engine light with a P0328 trouble code - poor fuel economy (2-3 mpg less than normal) Fix - replace knock sensor Tests shown - how to test a knock sensor circuit for opens and shorts - how to measure the resistance of a knock sensor Tools used - scan tool - digital multimeter - backprobing tools Playlist - (Chapters 9, 10 and 11) The 5v Reference and Signal Circuit Quick Tests https://www.youtube.com/playlist?list=PLAFYVCyenqcpP9ykkWb2D16nVEjyQ1eTZ Related videos - EVAP leak P0455 (vacuum cut valve-bypass valve test) - Nissan https://youtu.be/bG0ZllOn02Q - Oxygen Sensor Slow Response test (P0134) - Nissan https://youtu.be/s65jumJ3idE - How to test a Knock Sensor (P0328) - Subaru https://youtu.be/2-JBTwOvD9w - GM Fuel Pump Relay Testing https://youtu.be/McnXLcJNVfI For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book. Want even more diagnostic training? Whether you are a DIY trying to fix your own car, someone looking to become an auto technician, or a current auto technician that wants to get more into diagnostics, subscribe to ScannerDanner Premium https://www.scannerdanner.com/join-scannerdanner-premium.html There is a 14 day free trial. On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere! Disclaimer: Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.