How to Test a Crankshaft Position Sensor with a Scanner or Multimeter CKP Trouble Codes. If your check engine light is on, then your engine control unit (ECU) has recorded some sort of Cranking the Engine and Reading RPM. This next crank sensor testing technique also uses a diagnostic scan tool.How to do a CRANK position sensor test in 15 seconds Do this CKp test INSIDE the car. Know immediately if you have a failing CKp sensor, which often has NO EML & NO code. 🎥 How to clean a MAP More specifically, the CKP sensor produces a signal that tells the fuel injection computer or the ignition control module the exact position of the cylinder pistons as they come up or go down in the compression cycle. 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. TIP 1: The CKP sensor is located right behind the crankshaft pulley, since the CKP sensor's reluctor wheel is behind (and part of) the crankshaft pulley. TIP 2: The battery in your 4.0L Ford Explorer (Mercury Mountaineer) must be fully charged. This is important because you'll be measuring the CKP sensor's signal while the engine is cranking.
How to Test an Inductive / AC Generator Crankshaft Position Sensor (CKP) This test shows how to test a crankshaft position sensor using a simple multimeter. Readings and pin designations may vary
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