The Honda public crankshaft position sensor is a part that’s located under her timing assembly and an installed to the engine next to the crankshaft snout. This sensor is primarily responsible for informing your Honda ECU that the existing engine speed, or RPM. There is no this sensor the ECU will not have the ability to operate the engine, and it may shut turn off unexpectedly.

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This sensor is additionally known together the Honda Civic Crankshaft rate fluctuation sensor as well, and also should no be perplexed with the referral 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 also showing you just how to replace or service your Honda civic crankshaft position sensor. If your civic is one automatic her 1.6 D16 engine might shut turn off at speed, leaving friend without power steering or brake assist.

If your breakdown Indicator lamp (MIL) is lit and also showing a P0335 problem code, you must stop driving your Civic instantly until you company it. The D16 crankshaft sensor is mounted near the crank gear and is draft to read the high and also low spots. This gives the ECU through the ideal signal compelled to orchestrate combustion.

This EX crankshaft place sensor might be a different component number 보다 the no VTEC execution of the Civic, yet the replacement procedure is the same.

This Honda civic has a OBDII DTC trouble code of P0335 Honda’s specific language for this trouble code is Crank Sensor Malfunction. If you have actually a no start public or a Honda that’s no starting, try checking your crank pillar position sensor from the loom located behind the front timing cover.

Where is Honda civic crank position sensor located?

Like most SOHC public engines, the crank engine sensor is placed to the front oil pump assembly. The sensor is placed to read the this on her crankshaft gear. This hall result sensor is how your Honda public ECU determines engine speed and also it’s associated by method of a two pin connector the runs to the earlier of your engine.


If you are planning to readjust your Honda civic timing belt whenever soon, it can be a good idea to finish both jobs at the very same time. Due to the fact that replacing this public crankshaft position sensor is reasonably easy as soon as you have actually the time assembly apart, you will not need much more work to remove it.

If friend do have to raise your public to remove your civic crankshaft sensor instead of test it, make certain to lift and secure your vehicle carefully.

When elevating your Honda Civic, constantly use the proper safety measures and also use extreme caution. Performing a Honda Civic crankshaft place sensor test is easy using a multimeter. If you don’t know what a multimeter is, examine our write-up here for part tips.


What is 1.6 liter Honda civic crankshaft place sensor part 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 public is not beginning and girlfriend have already tested her crankshaft sensor, skip front to the removal procedure of the guide.

What is the civic EK crankshaft fluctuation sensor wiring schematic?

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


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

Touch the black lead of her multimeter come the an adverse probe of her battery and gently check the former of the ENGINE side of the harness. Friend should have power in ~ this wire, which means that your key relay is effectively powering her sensor.

How do I check Honda public crankshaft fluctuation sensor?

The testing procedure to measure up the internal resistance of your hall impact Honda civic CKF sensor is easy and also straightforward. If her ignition is turned come the “ON” position, go ahead and also remove the vital now and also turn her ignition off.

Now utilizing your multimeter, you are measuring pen 1 and also PIN 3 for internal resistance. Between the terminal 1 and also terminal 3, you must have between 1.6 and 3.2 Ω. If your internal resistance checks out, relocate onto testing for continuity ground in the following segment of our DIY overview on testing your Honda public crankshaft place sensor.

Testing your civic CKF because that continuity

The next step in trial and error your crankshaft sensor is to check for continuity between your Civic’s chassis ground and the CKF sensor at both terminal 3 and terminal 1. Using your multimeter, you have to make sure that there’s continuity between PIN 1 and also your chassis ground, and 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 also usually related to damage in her ECU harness. To check this, you will be repeating the inner resistance test, but AT THE ECU this time. Making use of your multimeter, you will certainly be measuring pin 1 and also PIN 11 on the 31 pin connector on her ECU.


Checking the Crankshaft place Sensor for Power

Insert the vital into the ignition and turn to the “ON” position, however do not start the vehicle. Unplug her D17 Honda civic crankshaft position sensor connector.

Use an expansion wire indigenous the an adverse post on her battery, and connect it come the black color lead of your multimeter. Gently probe the front of the crankshaft position sensor at pen C or the yellow/black wire. Friend are looking for 12 volts DC here at this wire.

Next inspect PIN B or the middle wire for ground by reversing the wires and also checking the former of the brown/yellow wire. Never pressure the reminder of her multimeter probe down into the slot of her connector.

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

If your sensor is not working correctly, friend will require to inspect the condition of your Honda public main relay.


Where carry out I test public ECU for CKF signal?

If your crankshaft fluctuation sensor tests good and appears okay at the plug, the following step is to trace ago the SIGNAL wires for your CKF sensor. These run connector C on your SOHC Honda ECU, or the 31 pin main plug situated at the ECU harness.


Check her passenger side kickpanel come trace back the wiring from the 31 pen connector.


There are four signal wires friend will desire to inspect when her Honda public won’t start. This are listed below in the wiring schematic, and require you to test the continuity between the sensor side and your ECU.


The four wires in question are highlighted, and also broken out for girlfriend here;

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

Intermittent wiring issues can it is in frustrating, for this reason be patience to situate your issue. Remember to check your wiring and the ECU wiring for any type of frayed wires or exposed wiring that may be topic to wire rot or damage. If friend detect any type of suspicious part of wiring, make certain to snip out carefully to remove and also rewire.

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

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

Have any questions around our How To check a Honda public Crankshaft place Sensor guide? allow us recognize below!