The Honda civic crankshaft position sensor is a component that’s located under her timing assembly and placed to the engine alongside the crankshaft snout. This sensor is primarily responsible because that informing your Honda ECU the the existing engine speed, or RPM. Without this sensor the ECU will not be able to operate the engine, and also it may shut turn off unexpectedly.

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This sensor is likewise known together the Honda Civic Crankshaft rate fluctuation sensor together well, and should not be confused with the recommendation sensor inside your distributor. For info on converting her VTEC Honda to operation on a distributorless ignition, inspect our handy overview here.

Today we are looking in ~ the OBDII trouble code P0335 in a 1999 Honda civic EX and showing you exactly how to replace or service your Honda public crankshaft position sensor. If your public is one automatic your 1.6 D16 engine could shut off at speed, leaving you without power steering or brake assist.

If your breakdown Indicator lamp (MIL) is lit and also showing a P0335 trouble code, you need to stop driving her Civic immediately until you company it. The D16 crankshaft sensor is an installed near the crank gear and also is draft to read the high and also low spots. This offers the ECU v the ideal signal compelled to orchestrate combustion.

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

This Honda public has a OBDII DTC trouble code of P0335 Honda’s details language because that this trouble password is Crank Sensor Malfunction. If you have actually a no start public or a Honda that’s not starting, shot checking her crank obelisk position sensor from the loom located behind the front time cover.

Where is Honda civic crank position sensor located?

Like most SOHC civic engines, the crank engine sensor is mounted to the front oil pump assembly. The sensor is an installed to review the this on your crankshaft gear. This hall result sensor is exactly how your Honda public ECU determines engine speed and it’s linked by means of a 2 pin connector that runs come the earlier of your engine.


If you room planning to change your Honda public timing belt whenever soon, it can be a good idea to complete both tasks at the very same time. Since replacing this public crankshaft position sensor is relatively easy when you have the timing assembly apart, you will certainly not need more work to eliminate it.

If girlfriend do need to raise your public to remove your civic crankshaft sensor instead of test it, make certain to lift and also secure your auto carefully.

When increasing your Honda Civic, constantly use the suitable safety measures and use extreme caution. Performing a Honda Civic crankshaft position sensor check is easy using a multimeter. If friend don’t understand what a multimeter is, check our short article here for part tips.


What is 1.6 liter Honda civic crankshaft position sensor component number?

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

What is the public EK crankshaft fluctuation sensor wiring schematic?

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


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

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

How execute I test Honda public crankshaft fluctuation sensor?

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

Now using your multimeter, you space measuring pen 1 and also PIN 3 for internal resistance. In between the terminal 1 and also terminal 3, you need to have between 1.6 and 3.2 Ω. If your internal resistance checks out, relocate onto trial and error for continuity ground in the following segment of ours DIY overview on trial and error your Honda public crankshaft position sensor.

Testing your civic CKF for continuity

The next step in testing your crankshaft sensor is to inspect for continuity between your Civic’s chassis ground and also the CKF sensor at both terminal 3 and terminal 1. Making use of your multimeter, you have to make sure that there’s continuity between PIN 1 and your chassis ground, and also PIN 3 and the ground. civic crankshaft fluctuation sensor checks out okay but examine engine light won’t go away

This is a common issue and usually related to damages in her ECU harness. To inspect this, you will certainly be repeating the internal resistance test, however AT THE ECU this time. Utilizing your multimeter, you will certainly be measuring pen 1 and PIN 11 on the 31 pin connector on your ECU.


Checking the Crankshaft place Sensor because that Power

Insert the an essential into the ignition and also turn come the “ON” position, but do not start the vehicle. Unplug her D17 Honda public crankshaft place sensor connector.

Use an expansion wire native the an unfavorable post on your battery, and connect it to the black color lead of your multimeter. Gently probe the prior of the crankshaft position sensor at pen C or the yellow/black wire. Friend are searching for 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 front of the brown/yellow wire. Never force the tip of your multimeter probe down right into the slot of her connector.

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

If your sensor is not functioning correctly, you will need to inspect the condition of your Honda public main relay.


Where execute I check civic ECU because that CKF signal?

If her crankshaft fluctuation sensor tests an excellent and appears okay in ~ the plug, the next 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 next kickpanel to trace ago the wiring native the 31 pen connector.


There are 4 signal wires you will desire to inspect when her Honda public won’t start. These are provided below in the wiring schematic, and also require friend to check the continuity between the sensor side and your ECU.


The four wires in inquiry are highlighted, and broken out for you here;

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

Intermittent wiring problems can be frustrating, therefore be patience to find your issue. Remember to examine your wiring and also the ECU wiring for any kind of frayed wires or exposed wiring that might be subject to cable rot or damage. If you detect any kind of suspicious part of wiring, make sure to snip out very closely to remove and rewire.

Always use same gauge and style that wire once replacing your damaged ar of wiring harness in her Civic.

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To clear your P0335 trouble code, change your crankshaft fluctuation sensor and use a scan tool to eliminate the code from your ECU.

Have any kind of questions around our How To check a Honda civic Crankshaft position Sensor guide? let us understand below!