Here are the steps to test a 3 wire CKP sensor: Turn off the vehicle's ignition and disconnect the sensor from the wiring harness. Set your multimeter to the Ohmmeter setting. Connect the positive lead of your multimeter to one of the outer terminals of the sensor. You can test the crankshaft position (CKP) sensor with either a multimeter resistance test or a multimeter performance test. In this tutorial, I'll explain how to do both tests so that you can find out if the crankshaft position sensor is good or bad. Contents of this tutorial: Symptoms Of A Bad CKP Sensor. Where To Buy A CKP Sensor And Save. In this episode I show how to test a two wire magnetic crankshaft position sensor with a basic multimeter and jumper wires. If you're experiencing no start or stalling you might to test the sensor 111. 19K views 2 years ago. In this video I tackle how to bench test a 3 wire crankshaft position sensor. This would probably work for any hall effect sensor as well. This came out of my 98 Ram You can easily test the crankshaft position (CKP) sensor, which is located near the crankshaft pulley, with a multimeter. No scan tool needed. In this tutorial, I'll show you how to do it. You'll easily and quickly find out if the CKP is good or bad on your 1991-1997 4.0L V6 Ford Explorer (Aerostar). 38K views 9 months ago. How to test crankshaft position sensors without any guess work using multiple methods and tools to obtain and analyze sensor signals. These proven methods can be NBliQR.