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
• (Chapters 9, 10 and 11...
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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.
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