How to test computer controlled door locks - Subaru

In this video I will show you how to test a power door lock circuit using just a voltmeter and a test light. The procedures shown in this video can be applied to all types of computer controlled door lock circuits, not just Subaru.

Engine Performance Diagnostics chapter 2

Tests shown
how to determine circuit design with a voltmeter and wiring diagram
how to perform a switch input bypass test
what is the difference between a switch input and a conventional switch

Playlist
(Chapter 2) Switch Inputs, digital signals, module communication, hall effect testing
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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.
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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.