How to test a fuel injector circuit with a noid light (a ScannerDanner Premium video)





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Published on Jan 22, 2012

This is a basic test that anyone can perform using a conventional test light. A noid light is nothing more than a light bulb designed to be plugged into a fuel injector harness connector. In this video we will discuss the following test results:
- noid light flashes
- noid light doesn't flash
- noid light is lit all the time

Engine Performance Diagnostics chapter 18 page 4

Tools used
- injector noid light
- incandescent test light
- digital multimeter

- (Chapters 17, 18 and 19) Fuel Injector Testing

Related videos
- How to test a fuel injector (open winding case study) Nissan
- Stuck Open Fuel Injector (how to fix)
- A free ScannerDanner Premium video (Fuel Injector Testing Part 1) https://youtu.be/6vIcu3NVfcU
- How to test a fuel injector circuit with basic tools (open control wire) https://youtu.be/kQUtAs-VrDY
- How to test fuel pressure, injector pulse and spark with basic tools https://youtu.be/SUxagOAVS5M

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 right here on YouTube. 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!


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