How to check your crankshaft position sensor on a BMW 740 (e38)

Here I show how to test the crankshaft and camshaft position sensors on a BMW 740i by measuring their coil resistances. You should measure around 500 ohms across the coil pins of the crankshaft position sensor, and roughly 1,000 ohms on the camshaft position sensor coil. Your E38 will not start unless the DME sees the proper pulse train from the crankshaft position sensor. The symptoms will be identical to a bad fuel pump. This is a safety measure to ensure that the fuel being pumped is actually being burned, (inside the cylinders) and not spilling out on the ground after a bad collision, for example. I should add, as youtuber "Hueristic" pointed out, that this is only for the 95, the Crank position sensor on later models is in a different location near the transmission. You need to get to it from´╗┐ underneath. For more info and pics see the following link: http://www.bimmerboard.com/forums/posts/1079582/

More Videos...


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.





How to Test Crankshaft and Camshaft sensors 1
How to Test Crankshaft and Camshaft sensors 1 Amazon Printed Books https://www.createspace.com/3623936 Amazon Kindle Edition http://www.amazon.com/Automotive-Testing-Diagnostic-Strategies-ebook/dp/B00 52YFOCI/ref=sr_1_2?s=digital-text&ie=UTF8&qid=1360016628&sr=1-2&keywords=se nsor+testing%2C+mandy+concepcion Android APPs https://play.google.com/store/apps/details?id=com.app.book.AOTLVEWIWPXAXYGM Z&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5hcHAuYm9vay5BT1RMVkVXSVdQ WEFYWUdNWiJd Shows the operation and testing procedures of automotive cam and crk sensors, which supply the ECM with engine camshaft and crankshaft position. These two signals are essential for the engine to run. (note: We allow all schools and training institutions to use our software free of charge, so long as it is not sold to others. You're encouraged to download our free automotive simulation software for more information. *************************************************************************** ********* Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion Barnes & Noble Nook: http://www.barnesandnoble.com/s/mandy-concepcion?keyword=mandy+concepcion&s tore=allproducts Apple iTunes iPad: http://itunes.apple.com/us/artist/mandy-concepcion/id449573393?mt=11





BMW Crank Sensor replacement
bmw crank sensor replace video, 2000 E46 323ci





No Crank, No Start Diagnosis - EricTheCarGuy
Visit me at http://www.ericthecarguy.com/ Whenever you have a no start condition when attempting to start your vehicle it's important to make the distinction between "no crank, no start" and "crank, no start" situations as they are treated differently. This video covers what I do when confronted with a 'no crank, no start' situation and in this case it's a worst case scenario so be sure to watch till the end. Starter diagnosis video http://www.youtube.com/watch?v=RKjdnQ0sHQc No start basics video http://www.youtube.com/watch?v=FBUYs539cy4 Parasitic draw video http://www.youtube.com/watch?v=KF1gijj03_0 --- Click below and Stay Dirty Visit me at EricTheCarGuy.com http://ericthecarguy.com/ Visit EricTheCarGuy Forum http://www.ericthecarguy.com/forum/default.aspx Visit my Facebook Page: http://www.facebook.com/EricTheCarGuy --- Stay dirty ETCG




Follow