GM 3400 V6 Camshaft Position Sensor Hall Effect Bypass Test
The main purpose of this type of testing is for accuracy and speed in verifying that no opens or shorts exist in the cam sensor signal wire.
The procedure shown in this video can be applied to any pull-up design hall effect signal circuit.

Engine Performance Diagnostics Chapter 21 pages 26-28

Other names

  • hall effect bypass test
  • switch input bypass test
  • pull up design hall effect bypass test

Tools used

  • Scan tool
  • Incandescent test light

end faq

Playlist

(Chapter 21) Ignition inputs, cam and crank

Related videos:

Nissan-Infinity no start, no spark (hall effect crank sensor test):

How to test an igniter on a Toyota/Lexus:

Jeep 4.7 no start from faulty cam sensor (ScannerDanner Premium lecture):

end faq


For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available as an eBook or paper book.

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