The Honda civic crankshaft position sensor is a part that’s situated under her timing assembly and an installed to the engine alongside the crankshaft snout. This sensor is mainly responsible for informing your Honda ECU the the existing engine speed, or RPM. Without this sensor the ECU will certainly not be able to operate the engine, and it may shut off unexpectedly.

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This sensor is likewise known as the Honda Civic Crankshaft speed fluctuation sensor together well, and also should no be confused with the referral sensor inside your distributor. For info on converting your VTEC Honda to operation on a distributorless ignition, inspect our handy overview here.

Today we room looking in ~ the OBDII trouble code P0335 in a 1999 Honda civic EX and showing you exactly how to replace or organization your Honda public crankshaft place sensor. If your public is an automatic your 1.6 D16 engine could shut turn off at speed, leaving girlfriend without strength steering or brake assist.

If your failure Indicator lamp (MIL) is lit and also showing a P0335 problem code, you need to stop driving your Civic automatically until you service it. The D16 crankshaft sensor is an installed near the crank gear and is design to review the high and also low spots. This gives the ECU with the appropriate signal compelled to orchestrate combustion.

This EX crankshaft position sensor may be a different component number than the no VTEC version of the Civic, yet the instead of procedure is the same.

This Honda public has a OBDII DTC trouble code of P0335 Honda’s particular language for this trouble password is Crank Sensor Malfunction. If you have a no start public or a Honda that’s no starting, shot checking her crank obelisk position sensor indigenous the loom located behind the front timing cover.

Where is mine Honda civic crank place sensor located?

Like most SOHC public engines, the crank engine sensor is placed to the former oil pump assembly. The sensor is mounted to read the this on your crankshaft gear. This hall result sensor is exactly how your Honda public ECU determines engine speed and also it’s connected by means of a 2 pin connector the runs come the ago of your engine.


If you space planning to change your Honda public timing belt anytime soon, it might be a good idea to complete both tasks at the very same time. Since replacing this civic crankshaft position sensor is fairly easy when you have the time assembly apart, you will not need much more work to remove it.

If friend do need to raise your civic to eliminate your civic crankshaft sensor instead of check it, make sure to lift and also secure your auto carefully.

When increasing your Honda Civic, always use the appropriate safety measures and use excessive caution. Performing a Honda Civic crankshaft position sensor test is basic using a multimeter. If friend don’t know what a multimeter is, check our write-up here for part tips.


What is mine 1.6 liter Honda civic crankshaft place sensor component number?

This public EX crankshaft sensor is component number 37500-P2F-A01 and also it’s placed to the former oil pump through a 10mm bolt. If your public is not beginning and friend have currently tested your crankshaft sensor, skip ahead to the removal procedure of the guide.

What is the public EK crankshaft fluctuation sensor wiring schematic?

We’ll be experimentation your CKF in your Honda civic EK by testing for power and ground, come make sure that it’s being powered. If you do have actually power and also ground at the wires in question, chances are you have actually a rest or intermittent wiring issue, or her sensor is failing.


To test her CKF for power, disconnect the sensor and use her multimeter to probe pin 2. Pin 2 is a yellow/black wire that powers your crank sensor in her Civic. Gain into your Civic and also insert the crucial into the ignition, and also turn come the “ON” position.

Touch the black lead of her multimeter to the an adverse probe of her battery and gently test the front of the ENGINE side of the harness. Girlfriend should have power at this wire, which means that your main relay is appropriately powering her sensor.

How carry out I check Honda public crankshaft fluctuation sensor?

The experimentation procedure to measure the inner resistance of her hall result Honda civic CKF sensor is easy and straightforward. If your ignition is turned to the “ON” position, walk ahead and remove the an essential now and turn her ignition off.

Now making use of your multimeter, you space measuring pen 1 and also PIN 3 for interior resistance. In between the terminal 1 and also terminal 3, you must have between 1.6 and also 3.2 Ω. If your inner resistance check out, move onto experimentation for continuity soil in the next segment of our DIY overview on trial and error your Honda civic crankshaft position sensor.

Testing your public CKF because that continuity

The next step in trial and error your crankshaft sensor is to examine for continuity in between your Civic’s chassis ground and the CKF sensor in ~ both terminal 3 and terminal 1. Using your multimeter, you should make sure that there’s continuity in between PIN 1 and also your chassis ground, and also PIN 3 and the ground. public crankshaft fluctuation sensor checks the end okay however inspect engine light won’t go away

This is a usual issue and usually associated to damages in her ECU harness. To inspect this, you will certainly be repeating the interior resistance test, however AT THE ECU this time. Making use of your multimeter, you will certainly be measuring pen 1 and PIN 11 ~ above the 31 pen connector on your ECU.


Checking the Crankshaft place Sensor for Power

Insert the key into the ignition and turn come the “ON” position, but do not begin the vehicle. Unplug your D17 Honda civic crankshaft place sensor connector.

Use an expansion wire native the an adverse post on her battery, and also connect it come the black lead of her multimeter. Gently probe the front of the crankshaft position sensor at pen C or the yellow/black wire. Friend are trying to find 12 volts DC below at this wire.

Next check PIN B or the center wire because that ground through reversing the wires and checking the prior of the brown/yellow wire. Never pressure the pointer of her multimeter probe down right into the slot of her connector.

If you have power and ground in ~ these two wires, and there’s no sign of any kind of damage to your signal wire (PIN A – BLUE) then possibilities are friend will need to replace her crankshaft place sensor.

If her sensor is not working correctly, you will need to examine the condition of her Honda civic main relay.


Where perform I test public ECU for CKF signal?

If your crankshaft fluctuation sensor tests great and seems okay in ~ the plug, the following step is to trace ago the SIGNAL wires for your CKF sensor. These operation connector C on your SOHC Honda ECU, or the 31 pin key plug located at the ECU harness.


Check your passenger side kickpanel come trace back the wiring native the 31 pin connector.


There are four signal wires girlfriend will desire to check when your Honda civic won’t start. This are noted below in the wiring schematic, and also require girlfriend to check the continuity in between the sensor side and your ECU.


The 4 wires in inquiry are highlighted, and broken out for friend here;

PIN 1 – color BLUE / RED – CKF p SensorPIN 3 – shade GREEN – TDC SensorPIN 4 – shade YELLOW – CYP SensorPIN 2 – shade BLUE – CKP Sensor – interior to civic distributor

Intermittent wiring concerns can it is in frustrating, so be patient to find your issue. Mental to check your wiring and also the ECU wiring for any kind of frayed wires or exposed wiring that might be topic to wire rot or damage. If friend detect any kind of suspicious sections of wiring, make sure to snip out carefully to remove and rewire.

Always use same gauge and also style the wire as soon as replacing her damaged ar of wiring exploit in her Civic.

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To clean your P0335 trouble code, change your crankshaft fluctuation sensor and also use a scan device to eliminate the code from her ECU.

Have any questions about our How To test a Honda civic Crankshaft position Sensor guide? let us recognize below!