2005 Impala Crank Sensor Code P0355 From A Shorted Cam Sensor

What do you do when the flow chart leads you to engine computer replacement? Think outside the box! This case study emphasizes why I think manufacturer flow charts are misleading, and shows what tests you can do to avoid replacing a computer for nothing. Engine Performance Diagnostics chapter 21 Symptoms - check engine light (P0335, P0520) - long crank time - starting fluid required to start, especially cold Fix - repaired camshaft position sensor wiring - replaced the camshaft position sensor Tests shown - understanding GM 7X and 24X crankshaft position sensors - how to test a three wire pull-up hall effect sensor and wiring - how to perform a short to ground test with a ohm meter - using a wiring diagram to identify computer power and ground circuits - understanding internally sourced/externally separate PCM voltage feed circuits - how to disassemble a camshaft position sensor connector and repair bare wires Tools used - scan tool - lab scope - heat shrink/electrical tape/conduit Playlist - (Chapter 21) Ignition inputs, cam and crank sensors https://www.youtube.com/playlist?list=PLAFYVCyenqcqEN41aYznWn9Nfhy1PiMjo Related videos - Hall effect cam/crank sensor operation and testing Part 1 (an SD Premium video) https://youtu.be/fPkZCJgtUko - Bad Engine Computer Testing Part 1 https://youtu.be/hJQ6qnhTgdg - No Start from a shorted MAP sensor (Honda, Acura) https://youtu.be/za13UnpbH7E - How to test an electronic EGR valve (GM P1406 case study) https://youtu.be/te_kapz-fj4 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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How to test a GM 3-wire crank sensor (hall effect type)
The tests shown in this video can be used for any 3-wire cam or crank sensor. The P0336 code was caused by the crank sensor connector being left unplugged. So rather than just plug the sensor back in and clear the codes, I decided to take this opportunity to show you how to test the crank sensor circuit on this car. (1996 GM 3100) There are two crank sensors on these early GM 3100 engines. One is a 2-wire magnetic type sensor that GM calls a 7x crank sensor. (7 pulses per 360 degrees of crank rotation). The second is a 3-wire hall effect type sensor that GM calls a 24x crank sensor (24 pulses per 360 degrees of crank rotation). This is the one we will be focusing on for this video. Symptoms: - Check engine light (P0336) Fix: - reconnect sensor connector Testing methods shown: - how to verify wiring integrity on a pull-up type hall effect using a test light and scan data - how to determine hall effect circuit design (pull-up or pull-down) which is critical in knowing how to perform a proper bypass test - how to perform a hall-effect bypass test - how to check powers and grounds to a hall effect - what does a digital square wave signal look like on a digital voltmeter - a frequency graph compared to the actual signature of the waveform Tools used: - Snap on Vantage Pro - Incandescent test light - Solus Pro Related Videos: Hall effect sensor testing Part 1 - a free ScannerDanner Premium video https://youtu.be/fPkZCJgtUko Hall effect sensor testing Part 2 - a free ScannerDanner Premium video https://youtu.be/BJp2uVXzUqs GM 3800 crank sensor test https://youtu.be/jACyNHl_L1g 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! Playlists: (Chapter 21) Ignition inputs, cam and crank https://www.youtube.com/playlist?list=PLAFYVCyenqcqEN41aYznWn9Nfhy1PiMjo (Chapter 2) Switch Inputs, digital signals, module communication, hall effect testing https://www.youtube.com/playlist?list=PL3EF7B78BEDFA6101





How to diagnose a Faulty Crankshaft Position Sensor (CKP) - 2005 Pontiac G6
Diagnosis of a Faulty Crankshaft Position Sensor (CKP) on a 2005 Pontiac G6 (code P0335 logged). For more information on RepairSolutions® and available promotions, please visit www.innova.com/youtube. Innova Products: www.innova.com/product Follow us Facebook: www.facebook.com/innovadiagnostics Twitter: www.twitter.com/innovatools For more information on RepairSolutions® and available promotions, please visit www.innova.com/youtube. Innova Products: www.innova.com/product Follow us Facebook: www.facebook.com/innovadiagnostics Twitter: www.twitter.com/innovatools





Impala crank sensor P0336 code
This short clip provides some insight for those who have gotten a P0336 diagnostic code, it shows the basic amount of mechanic skills required to preform this repair yourself with some mechanical ability.





Crank Sensor Quick Fix
GET SOFTWARE HERE: http://www.autodiagnosticsandpublishing.com/Software_Catalog.html Crank Sensor Quick-Fix There are two types of crank sensors, and two types of tests, the 2 and 3 wire sensors. Here are the flash points for the crank sensor testing. 1) The 2 wire crank sensor generates a voltage, and is quick tested with a test light. 2) To test the two wire sensor, disconnect the crank sensor, ignition key on, hook the test light to battery power, and tap at each crank sensor terminal repeatedly. A spark click and injector pulse should be seen. 3) The 3 wire sensor has its own circuit, with 5 to 8 volt power, ground, and signal wires. Identify the signal wire using volt meter or diagram. 4) Take the test light and connect to battery ground. With key on, disconnect crank sensor, and repeatedly tap on the signal wire. You should hear a spark click and injector noid pulse. These are to test the ECM crank sensor circuit response. On both tests, you should see a spark click and injector pulse. Crank sensor is the main input to the ECM. If ECM working, then the crank is the only other issue. There are other ways to test, but involve an oscilloscope and more complex. This concludes the cranks sensor Quick-Fix.




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