So countless things can cause your Jeep 4.0L SUV no to start and also the crank sensor is among them.

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Now, to make certain that the Cranks however Does no Start problem is truly due to the crankshaft position sensor, you should test it, and in this write-up I"ll display you exactly how to carry out it v a multimeter in Volts DC mode and also without acquisition it off your Jeep.

In situation you"re needing a resistance test of the crank sensor, I dislike to tell you the one does not exist. The crank sensor on her Jeep is a hall Effect kind sensor and it can not be experiment by a an easy resistance test.

Don"t let this protect against you from analysis this write-up because the test I"m gonna" present you is very easy and is done in Volts DC setting on your multimeter.

Contents the this tutorial:

you can uncover this tutorial in Spanish here: Prueba Sensor de la Posición del Cigüeñal (1994-1996 4.0L Jeep) (at: autotecnico-online.com).

Tools You"ll Need:

Multimeter.JackJack Stands1/2 customs Ratchet Wrench

Important Tips and also Suggestions

TIP 1: The crankshaft place sensor check I"m gonna" show you below is one On auto Test. Although, the photos in this write-up show the crank sensor the end of the vehicle, I"ve picture the crank sensor the end of the vehicle just to make it simpler to define the test.

TIP 2: To do this test and also get a really accurate result you deserve to trust, I"m gonna" ask you come crank the engine by hand. This is super important, since if you usage the starter engine to crank the engine- you"re not gonna" get specific result.By cranking the engine through hand, i mean transforming the engine using a 1/2 ratchet wrench and also an suitable socket ~ above the crank pulley.

TIP 3: one of the most necessary things to save in mind, when trial and error the crank sensor on her Jeep, is that if you have tested for spark and also you are gaining spark, then the crank sensor is OK. A spark an outcome tells you that the crank sensor is law it"s job. In a instance like this (where you"re getting spark), this test will not assist you.

This also method that you need to test because that spark first.

TIP 4: The shade of the wires (in the photo in the image viewer) may not complement the people on your certain Jeep. This is no reason for concern, as lengthy as you keep in mind that the connector locking tab is on optimal (in the photo), the circuits (wires) will certainly be the same.

Where to Buy The Crank Sensor and also Save

You have the right to buy the original MOPAR crankshaft position sensor a totality lot cheaper online (not the point out that the after-market ones space too!). The adhering to links will aid you come comparison shop for the crank sensor top top the 1994-1996 4.0L cool Cherokee and 1994-1995 4.0L Jeep Wrangler:

Not certain if the over crankshaft place sensor fits your details 1994-1996 4.0L Jeep? Don"t worry, as soon as you gain to the site, they"ll make sure it fits by asking you the particulars of your vehicle. If that doesn"t fit, they"ll uncover you the ideal one.

Circuit descriptions Of The Crank Sensor


The crankshaft place sensor, on her 4.0L Jeep fitted SUV, is a Hall-Effect 3 wire crankshaft place sensor. What this means: the produces an On/Off DC voltage signal that deserve to be easily measured v a multimeter, an oscilloscope, and also even one LED light.

Each among the three wires that connect to it have a specific job to do. One delivers strength in the type of 5 Volts native the PCM. One more delivers Ground. This floor is detailed inside the PCM, too. The critical remaining, delivers the signal, the the CKP sensor creates, come the PCM.

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The most necessary thing come know, is that if the CKP go bad, your Jeep automobile will crank however not start.

Crank Sensor Circuit descriptions 1994-1996 4.0L cool CherokeeTerminalColorDescription
1RED/LT GRNCrank Signal
3WHT/BLK8 Volts (1994-1995)5 Volts (1996)
Crank Sensor Circuit descriptions 1994-1995 4.0L WranglerTerminalColorDescription
1GRY/BLKCrank Signal
3ORG8 Volts