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).
You can test the inductive type sensor with a multimeter through the steps below: Unplug the CKPS's electrical connector and set your DMM to low-range DC voltage settings. Stop your engine from starting, then turn the ignition key to its "On" position. Connect your DMM's black lead to the ground and connect the red lead to each sensor wire.
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.
Testing a Hall Effect Type CKP Sensor. Testing a Hall effect type sensor is best using an oscilloscope. But not many DIYers own one. Still, you can use a DMM to test this type of CKP sensor in your vehicle. And, unless stated in your vehicle repair manual, do not check the resistance of your Hall effect CKP sensor.
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
To test the crank sensor, you'll need a multimeter capable of testing continuity, voltage, and AC voltage or frequency. You'll also need to identify the location of the crank sensor, which varies depending on the vehicle make and model. How to test a 3-Wire Crank Sensor with a Multimeter?
To test the crankshaft position sensor, first, identify the type of sensor employed in the vehicle. Use a multimeter to test the voltage and resistance of the sensor. Remember not to test the resistance of the Hall Effect sensor.
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.
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.
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how to test ckp sensor
