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Bad Camshaft Position Sensor Symptoms - How to Test and FIX!! 

ECU TESTING
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Camshaft position sensor symptoms such as starting difficulties, stalling and erratic idle will often store faults codes including P0340, P0341, P0342, P0343 and P0344. But how do you know what’s really causing them? Camshaft sensor, wiring, engine ECU… the list goes on.
That’s why Tim’s here! In this episode he will take us through camshaft position sensor problems, testing and ultimately fixing the faults.
link.ecutesting.com/Camshaft
0:00 - Episode insight
0:38 - What is a camshaft position sensor?
1:08 - Bad camshaft position sensor symptoms
1:50 - How to test camshaft position sensor
3:28 - Test camshaft sensor wiring
4:11 - Diagnose cause of P0342
6:05 - Diagnose cause of P0343
7:08 - Test loom continuity
7:26 - Fix ECU causing P0342 and P0343

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1 июл 2024

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Комментарии : 246   
@Ecutestinglimited
@Ecutestinglimited Год назад
🤓Want to find out more about ECU diagnostics? 🔎 Click here: ➡link.ecutesting.com/Camshaft
@thegovernmentshill
@thegovernmentshill 15 часов назад
How common is it for the P0340 code to really be a broken timing chain?
@thegovernmentshill
@thegovernmentshill 15 часов назад
G wall repair ECUs from the United States?
@therealspixycat
@therealspixycat 5 месяцев назад
Finally somebody that really understands this issue!
@irfanullah007
@irfanullah007 8 месяцев назад
The best Video on the Topic.... To the point and great way to approach to the fault... Thumbs Up!!
@kentbarger8628
@kentbarger8628 6 месяцев назад
I'm a retired mechanic great video simple direct to the point great information not over complicated great video
@MosesNkosy
@MosesNkosy 6 месяцев назад
A mechanic must not retire as there are a lot of problems to solve 😂
@clintdenman3037
@clintdenman3037 2 месяца назад
I am also a retired mechanic but today's vehicles are very time consuming and I still have my old broham and it has points a coil and carby and to be honest I like the simplicity and the cost of a service that I am still doing myself and I will probably just keep the old girl running.
@Mark-ks9jj
@Mark-ks9jj 8 месяцев назад
A very clear concise and informative video on camshaft sensor related issues thank you
@trinimami67
@trinimami67 10 месяцев назад
It worked well. The radio and while making a Bluetooth call, they both would shut off for a few seconds and then come back on over and over, and I would lose power steering sometimes too. The check engine light came on and that's when I had Auto Zone give me a diagnostic trouble code, and it was showing the power train system, and ABS. Sure enough though, and the attendant tried to sell me a power train system for $456.90, but she made the mistake of saying that the codes just needed to be reset and that when I found this, and two other videos telling me to do this. Thank you very much!
@Papisongo2006
@Papisongo2006 3 месяца назад
Thank You very much for this complete video about test and fix a constant camshaft position problem. I was driving myself crazy trying to figure it out until I saw you video. Thanks to this I was able to fix my camshaft position sensor P0342 in a 2007 Hummer H2. Thank you.
@Ecutestinglimited
@Ecutestinglimited 3 месяца назад
Amazing! We're glad you found our video useful and managed to diagnose your fault!
@rlvtrader
@rlvtrader 10 месяцев назад
Great video. I just subscribed, all the diagnostic detail you provided was fantastic.
@lloyd-qt1mg
@lloyd-qt1mg 9 месяцев назад
Yo Tim, very succinct and absolutely 'on point' .... most informative for any 'shade tree' techie! Thank you.
@wildwoodtop
@wildwoodtop 9 месяцев назад
shade tree' techie 🤨🤔
@mckoylach1622
@mckoylach1622 6 месяцев назад
A great elaborate diagnostic procedures,thanks for the video
@Snickls
@Snickls 9 месяцев назад
Excellent video. I have a customer with four persistent fault codes for a wheel speed sensor and cam position sensor, instead of letting me perform tests to find the cause, he's purchased and had me install... 3 cam position sensors, and one wheel speed sensor... with no results. I'm hoping he'll allow me to actually diagnose the issue after the wheel speed sensor $$$$ didn't fix it... which I told him wouldn't fix it. I'm gonna send him this video, it explains the diagnostic process way better than me.
@Ecutestinglimited
@Ecutestinglimited 9 месяцев назад
Thank you, we've glad you liked the video! Hopefully your customer likes it too and you can get them back on the road ASAP 🙏 We also have a brief video on wheel speed sensor faults as well if it would help: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-T74B_aELnU0.html
@sollykhan2385
@sollykhan2385 5 месяцев назад
easy way out of all this to 'clone' over an identical car, swop over his number plates, and give him the bill to cover the replacement car 🙂
@kylemcweeny878
@kylemcweeny878 5 месяцев назад
​@sollykhan2385 was this supposed to be funny? Or are you serious 🤔
@CedricSatterfield
@CedricSatterfield 4 месяца назад
@@kylemcweeny878i thought it was hilarious😂
@EZ-D-FIANT
@EZ-D-FIANT 3 месяца назад
​@@kylemcweeny878he mekanik, mekanik funne.....😂
@juancasanova2449
@juancasanova2449 9 месяцев назад
Outstanding video...great information and expertise. Thanks
@zachscott4867
@zachscott4867 7 месяцев назад
Very well done and I love learning more about my Subaru. Great help and thanks!
@packrat9433
@packrat9433 10 месяцев назад
Very informtive and complete video! I got lucky! On my 2007 Murano, I used a 10mm ratching wrench and did not have to move the hose. Just before pulling the sensor, I blew out the connector and the sensor pins in place with electronics cleaner and all codes went away. So I never even had to pull the sensor! I was showing P0345(Camshaft Position Sensor Bank 2), P0725(Engine speed input circuit), P1701(Power supply circuit), P0868 (Transmission fluid low). The last 3 are Nissan OEM codes. I'm not smart enough to know if those should be all related, but I can see where all but the P0868 could be related, maybe? Anyway, Thanks for saving me time and money! I will update if any of them come back.😎
@alexiscabrera2628
@alexiscabrera2628 8 месяцев назад
Hi I was wondering what your outcome was I have the same issues with the same vehicle make and year with the same codes except my camshaft code is p0340 instead of p0345
@Jason-Jason
@Jason-Jason 10 месяцев назад
Excellent video, great illustrations
@tonyserrano5973
@tonyserrano5973 4 месяца назад
The best video I have ever seen on this topic!🔥💥💯👍
@muhammedsons2675
@muhammedsons2675 Год назад
Great explanation well done
@Alan-cw8vy
@Alan-cw8vy Год назад
Excellent explanation
@fegmihamedlafi5051
@fegmihamedlafi5051 Месяц назад
Hey you are a great teacher man! Your videos are great!!🎉
@afzaalkhan.m
@afzaalkhan.m 10 месяцев назад
Excellent video.thank you
@trevorslater2547
@trevorslater2547 8 месяцев назад
Great video thanks Tim 👌
@jscons7424
@jscons7424 9 месяцев назад
Great video… I have learnt something ..
@user-rn4uh3vy8c
@user-rn4uh3vy8c 3 месяца назад
It's very useful and thank you so much🙏❤
@M4V3RiCkU235
@M4V3RiCkU235 29 дней назад
This is pure gold ! Thank you
@vics9830
@vics9830 2 месяца назад
Your the best I enjoyed and learned alot from your video you are a smart man Mr Sensor
@kungfu9409
@kungfu9409 Год назад
Thank you 😊. For information
@aceofhearts4265
@aceofhearts4265 7 месяцев назад
Great video! 👍
@uchihaevo19
@uchihaevo19 7 месяцев назад
Thank you for this information
@sollykhan2385
@sollykhan2385 5 месяцев назад
Thank you for posting another awesome video Tim, just as an afterthought how much investment went into your state of the Art workshops ? i must say it looks very impressive, hopefully 1 day i too shall have an impressive repair shop like the one your filming in!! 🙂
@robertmobileman8304
@robertmobileman8304 Год назад
Great video
@mikepreciado838
@mikepreciado838 7 месяцев назад
A BILLION LIKES TO YOU MY FRIEND EXELENT VIDEO THANX
@Kegels_gti_16V
@Kegels_gti_16V 11 дней назад
Great video!
@05sergiu
@05sergiu 2 месяца назад
My Mercedes w208 have Error: 067 camshaft position sensor L5/1 signal implausibil/missing,, Thank's for your information,i will try tommorow
@psdaengr911
@psdaengr911 4 месяца назад
Missing from causes: a loose or worn reluctor. This is a common issue on Honda engines with a lot of miles where the sensor is not pointed at the ends of teeth on a gear but the side of a magnetized disc.
@poinsettias
@poinsettias 9 месяцев назад
What a good video thanks man
@ImadMohamad-ii3mu
@ImadMohamad-ii3mu 3 месяца назад
great video thank you
@mrizalhamdani
@mrizalhamdani Год назад
This is so nice. Can u open the workshop in indonesia? Never seen this holistic test like this in here
@nanbabu3013
@nanbabu3013 10 месяцев назад
Very good job❤🎉
@alimorthahassn478
@alimorthahassn478 4 месяца назад
شكراا لك علئ المجهود ممتن جدا
@kethgroves5999
@kethgroves5999 Месяц назад
HI this is a really good Video (and Have looked dozens to try and understand and resolve Sensor Issues) very very clear and very well explained, I only have a couple of comments if you spoke just a little slower that would be great and also if there was a slightly more detail description on the different configurations of sensors wiring for example on BMW's the signal is the middle wire .. also maybe a test of the actual sensor using something metal and the fact cheap sensors are usually Crap and you can replace them and the fault can still exist, also if you drop a sensor there is a good chance it will be damaged and can throw up a an intermittent fault which you cannot really test with a meter. not criticisms observations and im please to have found a company that can service repair ECU etc you guys clearly know what your doing ... again really really good video with visuals and diagrams (I know how long it takes to produce something like this) keep up the videos and the great work your efforts are much appreciated.. Regards Keith
@Ecutestinglimited
@Ecutestinglimited Месяц назад
Hi Keith. Thank you for your feedback, we appreciate it. We are glad you liked the video and thank you for you kind comments!
@kethgroves5999
@kethgroves5999 Месяц назад
You are welcome (and I practically never leave comments or reviews LOL) Will be in contact with a view to getting some ECU's over to you for repair fortunately when we replace stuff we don't throw anything potential repairable away ... BUT !! soooooooooo difficult to find people with relevant skill sets these days
@juangonzalez-lr8md
@juangonzalez-lr8md Месяц назад
Awesome help Thks have a p0343 high ls swap
@ADYU011
@ADYU011 Месяц назад
May 30 2024 , great easy details video. Question, how do you test ECM and the 2 wires , that come from ECM and wires that goes to knock sensor voltage that goes to knock sensor ? Is it the same way to test the cam shaft wire , that you showed in this video. What setting is set of multimeter ?
@marlings
@marlings 5 месяцев назад
Impressive, modern auto electrics are a bloody miracle!
@faizelkhan2351
@faizelkhan2351 Год назад
Thanks ❤
@carcrazy4323
@carcrazy4323 11 месяцев назад
Plz make video detail on oscilloscope how to use
@michaelgiordani3758
@michaelgiordani3758 7 месяцев назад
Excellent video Sir , just wanted to know where did you buy that radiator for les than 200. Hi bucks ? Thanks a million.
@cassadaga
@cassadaga 28 дней назад
Great video I am still trying to find out what my car will not start. Maybe you can point in right direction. Car sat for 6 years. It's a 1998 Volvo S70 GLT. I cleaned out fuel tank, replace fuel pump and fuel filter. I cleaned injectors. Car cranks has spark and fuel out the injectors. I thinking must be a sensor where the timing is not lining up with the spark and injected fuel. Any thoughts
@MarkusChristopher
@MarkusChristopher 6 месяцев назад
excellent
@erichaakenson5741
@erichaakenson5741 7 месяцев назад
Greetings, I own a 1993 C3500 7.4 Truck & I cannot locate the crankshaft Position Sensor (CKG). I've seen references of between Harmonic Balancer & Timing Cover, in the Block above the oil pan, back of the block, or inside the Distributor. I've looked carefully, no loom wires, no port in timing cover, & I replaced the OEM Distributor with new OEM unit. Vehicle timing set to 4 degrees before TDC. Verified all spark plug & fuel inj. Vehicle starts, stalls, back fires.
@adantobias1142
@adantobias1142 11 месяцев назад
I have an Audi A4 Quattro 2005 3 2L that has static P0390 and P346 codes. I replaced the camshaft position sensors but the problem persists. I cant find an ECU wiring diagram for this car anywhere.
@sidnarciso4872
@sidnarciso4872 8 месяцев назад
I need help with e60 crank sensor. I've been testing it for 2 days. I can't trigger the sensor to see a voltage change. Another odd thing is that the signal drops from 5 to 2.5v when I plug in sensor. I've used scope to see any fluctuations when I rum magnet across it. Signal won't change, I've tried three sensors and 2 dme.
@ashar011
@ashar011 3 месяца назад
Great video. Is P1019 cam sensor fault code in dacia jogger?
@user-xf8sy4df1m
@user-xf8sy4df1m 7 месяцев назад
I like this guy
@LloydAlexander58
@LloydAlexander58 Год назад
I started my Fiat Ducato (2013 diesel) yesterday to drive it to the garage for a new timing belt + kit. It run badly, actually only ignition pulse to 2 of 4 cylinders. What else than a bad ECU can cause ignition pulse on 2 of 4 cylinders? What about a cam shaft position sensor or crank shaft position sensor? My garage said that they had never seen one of those bad and still being able to start the engine. Of course, all the cables need proper testing also, so far thay have found nothing wrong there, so they are suspecting the ECU/ECM. Any other leads? And, is all pulse signals 5V? I think they said they meassured 2V but I need to challange them on that because I have never heard of a 2V signal, only 5V but I am no car mechanich either.
@irarayistdreaddrien8690
@irarayistdreaddrien8690 4 месяца назад
Hi, i got a good question today.. .im working on a fier man of houston 2008 Toyota camry his car run hot i got him out the road the radiator burst so i replaced it tryed to start the car cank but no start so i looked at the spark plugs needed changing so i did and it had a code for crank sensor so i changed it also still no start the i look at spark from coils and the ark was small and puls ever 2 to 4 seconds what van i do to help hime out this jam
@ajithnamunukula889
@ajithnamunukula889 24 дня назад
Tanks 🎉
@jadabdallah7164
@jadabdallah7164 10 месяцев назад
BRUHHHH YOU ARE A KING WOWOWOOWOWOWW I NEVER COMMENT ON RU-vid LMAO BUT KEEP DOING IT WOWOWO AMAZING
@TemPer-MenTal_mafkr
@TemPer-MenTal_mafkr 10 месяцев назад
Sir i have a question, i have that exact van. Some days i can jump in and she runs great, the trans is sticking in what i believe to be 3rd gear, i stop, put it in park, restart it and it shifts like brand new. I see this happens mostly when goin close to 25mph. I have mechanic experience just not sure which sensors are which on transmission. I have been looking for the correct information for a few weeks now. If have any ideas where i should start, id just about pay you to pick your brain....thanks in advance. I know this is a long shot
@jonathonrees7921
@jonathonrees7921 Месяц назад
What does a 10v reading signify on signal wire, please?
@TheDencowboy
@TheDencowboy 6 месяцев назад
My question is what if its an intermittent problem with the crank positioning itself , hard starting some days , no start then an hour later starts up . If you perform the test you did and all is well and also no fault codes in my ECU (which i dont understand ) but replaced the crank sensor and its been fine 6 months now 🤷
@aminheidary7071
@aminheidary7071 28 дней назад
Hey.. how about fault code P0344 what does that mean?? We have peugeot 2008 2018 model that throws P0344 error and sensor and wiring loom are fine.. what do you think is the problem???
@albertberja8760
@albertberja8760 2 месяца назад
can u make a tutorial how to test a vvti solenoid thank u
@carloivaldi4059
@carloivaldi4059 21 день назад
Hi! I have a p0342 low voltage fault. However on the 5v terminal of the sensor connector I have the same voltage of my battery around 12.4/12.5. How is this possible? Shouldn't I receive a high voltage code instead?
@Chaplain280
@Chaplain280 Месяц назад
Good ticher
@powertech6816
@powertech6816 5 месяцев назад
Should a bmw x5 camshaft not have pin1 5v pin 2 ground pin 3 12v ? Thanks
@mdsohorab269
@mdsohorab269 28 дней назад
Please show the inductor clavation of the delete vehicle
@seancrahan5584
@seancrahan5584 2 месяца назад
Great video! Thank you! I drive a 2012 Jeep Wrangler that frequently throws PO 369 and more recently PO365 and goes into limp mode. Would these tests be appropriate to diagnose these? Thanks
@Ecutestinglimited
@Ecutestinglimited 2 месяца назад
Hi. Yes, the codes P0365 and P0369 indicate a fault with the camshaft 'B' sensor so completing all the checks outline in the video would help differentiate if the fault is with the sensor, its wiring, or the ECU.
@seancrahan5584
@seancrahan5584 2 месяца назад
Can you direct me to the correct pin removal tool for my 2012 Jeep Wrangler jk? Thanks very much.
@gagzman1
@gagzman1 2 месяца назад
Both signal and reference reading 12v . Fault code P0341. Car starts just fine but runs with irregular performance. Car would run fine in the morning after startup, but once Car warms up, car becomes sluggish with a lot of hesitations when giving it gas. Please help
@internalionaltradeitda3567
@internalionaltradeitda3567 Год назад
Do you provide class for technicians
@BigALdeek
@BigALdeek 29 дней назад
Damn this went from do it yourself to might need a mechanic. The parts $30 bucks I’ll go that route. Replace it and see how it does
@conmanumber1
@conmanumber1 8 месяцев назад
Hello from Oamaru, South island New Zealand. I have a 2012 Spanish built Nissan Navara D40 St-X Diesel pickup. Engine is a Nissan - Renault partnership common rail with 165.000 K.m on clock. When idling it's lumpy then when attempting to accelerate it farts n missis then dies. It smokes a really white Hazy putrid smoke but no oil in coolant nor coolant in sump. There's no fuel dilution in oil sump. It starts but struggle.. S.c.v, e.g.r cooler replaced (but didn't require so) injectors tested fine. E.g.r valve actuator works fine. Any idea what may cause this grief?... Crank n cam sensors?. No codes come up. Thanks again in advance..Carl
@martincarrillo8047
@martincarrillo8047 8 месяцев назад
Can It be bad Can shaft sensnor if I got no codes on a 2006 cts v
@EKTECH22
@EKTECH22 10 месяцев назад
How do i find is the sensor is installed in the right position and and not not centered on the right place so it reads correctly?
@oliverhill4136
@oliverhill4136 7 месяцев назад
I watched this video so many times. Then after removing my air intake hose, I discovered that my dodgy mechanic had just unplugged the sensor!! I had a P0343 fault code.
@carltaylor7489
@carltaylor7489 Год назад
Can you use same method to diagnose crankshaft position sensor?
@Ecutestinglimited
@Ecutestinglimited Год назад
Hi Carl. Yes, you can use basically the same method for both the crank and cam sensors. We will be releasing a video specifically for the crankshaft position sensor soon so keep your eyes peeled!👀👍
@MrMindlink
@MrMindlink 3 месяца назад
Is there a way to measure the sensor itself? Expected resistance reading between given contacts for known good sensor?
@Ecutestinglimited
@Ecutestinglimited 3 месяца назад
Hi. Yes you can test the sensor's internal resistance, however a good reading will differ depending on the specific sensor you are testing. If you would like to test the sensor this way then we would recommend getting the data sheet for your sensor to determine what a good or bad reading would be.
@MrMindlink
@MrMindlink 3 месяца назад
@@EcutestinglimitedThank you.
@Oleavor
@Oleavor 22 дня назад
Hi sir..how about if the error code shows U010A? what does this actually mean? very little info on this specific error code on RU-vid. My Diesel powered- Isuzu Dmax has this problem soon after i replaced its EGR electrical component. The error code U010A cant be deleted on OBD2 scanner. Any idea?
@Andrew-st5nw
@Andrew-st5nw 11 месяцев назад
I'm having the reoccurring P0394 intermittent code with the ESC light coming on. I have replace the camshaft position sensor and tested the connector which is a four wire and each is getting 5 V and the negative is getting the battery reading. It’s a 2015 jeep JK wrangler any ideas? The code comes on when it’s under load, climbing a hill, even on the road and then it goes into limp home mode.
@Ecutestinglimited
@Ecutestinglimited 11 месяцев назад
Hi. Have you tried completing the wiring tests whilst wiggling the wiring and connectors to see if there is an intermittent wiring fault caused by vibration whilst the engine is running? If this test checks out ok, then it may be an issue with the ECU. Feel free to email our technical support team at info@ecutesting.com with any other questions or if you would like to send your ECU into us for a test. Thanks.
@nickayivor8432
@nickayivor8432 Год назад
SHARP ECU TESTING 👍 From Nick Ayivor from London England UK 🇬🇧 ⏰️ 22:23pm
@jorgemejia2736
@jorgemejia2736 4 месяца назад
Hi, how do I test the car camshaft sensor it self, what kind of readings should I be seen
@Ecutestinglimited
@Ecutestinglimited 4 месяца назад
Hi. There are a few different tests that you can conduct on the sensor to determine if it is faulty, but these can vary depending on what type of sensor you have and the manufacturer, so you would have to consult your vehicles schematic or repair manual in order to do this. Using the method we outline at 1:52 in this video, you can determine it is likely the sensor that is faulty if it has a good ground, good supply voltage and a good signal. Hope this helps!
@panzerichi3837
@panzerichi3837 10 месяцев назад
Can faulty css cause no compression in 4 out of 6 cylinders ? Please help😢
@sapoloc623
@sapoloc623 8 месяцев назад
I'm confused, when taking out or cutting the wire I didn't see if this applies to the ground wire. If so then do I follow the ground to affect wire still or do I do it as it was shown which is switch wires red to + and black to affected ground wire?
@Ecutestinglimited
@Ecutestinglimited 8 месяцев назад
Hi. If you have a reading that isn't battery voltage when testing the ground wire at the ECU, it could be that the wire is shorted to voltage. To test for this you should remove the ground wire's terminal from the ECU connector and test for voltage by placing the black probe on battery negative and the red probe on the removed terminal end of the ground wire. If there is any voltage displayed then there is a short to voltage affecting the ground wire which will need to be repaired. Hope this helps!
@japheee
@japheee 3 месяца назад
I really want to know how to repair ecu ...how can you help me
@akeemmsiska6865
@akeemmsiska6865 Год назад
I have replaced camshaft sensors for the third time and I still get the same reading camshaft sensor bank 2 I’m not sure where I can take the ECU to be tested. I live in Wisconsin Madison.
@djellison6711
@djellison6711 Год назад
I had the same issue so i replaced the crank sensor and the problem went away
@Ecutestinglimited
@Ecutestinglimited Год назад
Hi. We are located in the United Kingdom, but we do offer a worldwide service so you can get your unit tested and remanufactured no matter where you are! Fill in our online test form to get started: myaccount.ecutesting.com/ or contact our technical support team via email at info@ecutesting.com
@kevinbaker551
@kevinbaker551 4 месяца назад
Hey man I need your help I have a 2001 Hyundai Elantra we put diesel fuel in it and be bad trouble ever since I've been replacing sensors and now it don't start and we think it's the coil the two cylinders in the middle of the motor 2 and 3 would not hit I put new spark plugs new wires everything now they're telling me that it's a
@thegovernmentshill
@thegovernmentshill 15 часов назад
I’m getting the same code 0340 and I’ve replaced the sensors the ECU the crankshaft sensor and my car still won’t start. It’s been two months and I’m going crazy.
@johncollins8304
@johncollins8304 Год назад
Very good. But I can't get any codes on a crank no-start (Corsa C). Two pedal test gives continuous flashes-- I counted up to a hundred; two cheap readers, then an Xtool D7 (360€) which I bought specifically to find the problem. Have 50psi on fuel rail, new plugs, removed throttle body and cleaned, sprayed MAF with correct cleaner, changed crankshaft sensor. It just fires and cuts out. A whole ago it ran for a whole 30secs, then 10 secs, now nothing. Any ideas PLEASE?
@Ecutestinglimited
@Ecutestinglimited Год назад
Hi. Are you able to communicate with the ECU using diagnostics? Are you also able to get the part number on the ECU unit please?
@johncollins8304
@johncollins8304 Год назад
@@Ecutestinglimited Don't really understand the first part "using diagnostics", I thought that meant code reader which as I've said show no codes -- even the 2 pedal test is just continuously flashing (I counted to 100!). The ecu is not evident so I shall go rip some things off and get back to you. Thank you very much.
@Ecutestinglimited
@Ecutestinglimited Год назад
​@@johncollins8304 Hi. Apologies, yes we were referring to your diagnostic scan tool the Xtool D7. We just wanted to confirm that you have done a full vehicle scan and found no fault codes and not just scanned for fault codes on the engine ECU itself? This is to confirm if the ECU has communications with the other modules on the vehicle and the fault you are describing isn't caused by a lack of communication.
@ericliu6692
@ericliu6692 10 месяцев назад
You talk about low voltage and high voltage, what about Implausible signal, mine shows Camshaft position sensor P0391 - Implausible Signal
@Ecutestinglimited
@Ecutestinglimited 10 месяцев назад
If you are getting any other fault codes alongside the P0391 then it is worth investigating them first as they could be causing the code. However, if you just have the P0391 then we would still recommend completing the checks outlined in this video to ensure the fault isn't with the sensor, wiring or ECU. If they all check out OK, then you could have a fault with mechanical components which will need to be investigated.
@allanalmeida875
@allanalmeida875 Год назад
@kdogjcgdad2325
@kdogjcgdad2325 Год назад
I have a car with this and it Completely stopped accelerating is it possible it just went constantly out or do you think its something more now
@Ecutestinglimited
@Ecutestinglimited Год назад
Hi. Have you scanned the vehicle for any fault codes? This is to help pin point what on the vehicle could be causing the sudden cut out of acceleration. Thanks.
@duetten
@duetten 2 месяца назад
Thanks for a very nice video! However I have problems with my sensor. It is a 2000 Volvo V40 and when reading the error code it says "ECM-32 Camshaft position (CMP) position sensor". So I checked the voltage from the ECU connectors according to your suggestion in the video and it was OK (+5V, +5V and battery voltage) so it should be the sensor. I then ordered a brand new sensor and replaced the old one and tried to erase the error code but it instantly comes back. I measured the resistance between pins on both sensors and it is exactly the same. Any suggestion how to proceed the investigation?
@Ecutestinglimited
@Ecutestinglimited 2 месяца назад
Did you complete the voltage checks at the sensor connector as well as the ECU connector? If the voltages at the connector are bad then the fault could be in the wiring from the ECU to the sensor. Also did you replace the sensor with an OEM part? Sometimes aftermarket parts can cause functionality issues even if they are the same part number.
@duetten
@duetten 2 месяца назад
@@Ecutestinglimited I followed the three steps in you very instructive video from time stamp 2:05 and measured +5V, +5V and also battery voltage. I even used an oscilloscope to record the pulse train from the sensor (yes, an OEM) when connected and it looked OK. I did the same with the original sensor and the pulse train was identical, sharp square wave signals. I haven´t followed the signal cable all the way back to the ECU and checked if the signal also is visible at the ECU input but will do that this evening. The cambelt was replaced 2 years ago by a shop but the car hasn't been driven a lot since then. Lets say the belt has jumped a cog, could that cause such an error on the camshaft sensor signal? I have also checked the VVT solenoid, cleaned it and when 12V is attached the slide moves. You see, I am almost becoming desperat...
@duetten
@duetten Месяц назад
@@Ecutestinglimited Today I measured the signal cable all the way from the transducer to the ECU connector and the cable was OK. Perhaps the error then is inside the ECU? I am starting to think that the error is due to bad cam shaft alignment. I will have a friend visiting me this week and he told me that when he was changing the cam belt on his V40 he manage to bend the tool holding the cam position just a little bit. He didn't notice that and when starting the engine he had exactly the same error code as I have. When adjusting the cam position the error disappeared. I have also checked the cam position and to me it looks like it is somewhat out of position so I have a small hope that this is the reason also for me. I will let you know as soon I know this for sure.
@duetten
@duetten Месяц назад
Problem solved! Today a friend visited me and he could, without a doubt, say just by looking at the cam ends that the positions were wrong. He loosened one of the two cog wheels and adjusted the inlet cam so it aligned with the other cam end using a special tool. After adjustment and ignition on it was possible to clear the cam shaft error code and it has not (yet!) returned. I am very happy! I have no explanation how this could happen. The screw on the cog wheel was very tight (not loose anyway) and the cam belt look almost new since I have only driven 12000 km since the replacement. What on earth could have caused this?
@robertmiszta4149
@robertmiszta4149 27 дней назад
@@duetten Maybe the timing belt was replaced without using camshaft/crankshaft locks.
@michaelhartjen3214
@michaelhartjen3214 8 месяцев назад
How about P0016 error
@RickyJohnson-em4xh
@RickyJohnson-em4xh Год назад
Does it have to be in a certain spot in order for it to crank?
@jamesirving1085
@jamesirving1085 10 месяцев назад
No. It should start at any partition
@r.b.r9558
@r.b.r9558 3 месяца назад
👍
@tedyciprian123
@tedyciprian123 11 месяцев назад
Renault clio 3 ..12v on green color that meen ecm broke?
@idrissli5739
@idrissli5739 27 дней назад
❤❤❤❤
@Michael-qt8md
@Michael-qt8md 5 месяцев назад
How can you get 5v at the signal wire at the ecu, when the sensor is unplugged and nothing is being send to the ecu?
@Ecutestinglimited
@Ecutestinglimited 4 месяца назад
Hi. This is due to the ECU having an internal pull up resistor which pulls the voltage up in the signal circuit to 5v. When the camshaft sensor is unplugged, the signal wire is not connected to anything that could pull it to a lower voltage so you get a measurement 5V on the signal wire with the ignition on, as the ECU is basically seeing an open circuit through the pull-up resistor.
@Michael-qt8md
@Michael-qt8md 4 месяца назад
@@Ecutestinglimited thank you for the explanation. How would you know if your ecu has a pull-up or pull-down resistor without a diagram. Are most 3 pin work this way?
@Michael-qt8md
@Michael-qt8md 4 месяца назад
thank you @Ecutestinglimited, I found a video which explains how to tell if you have a pull up or pull down circuit .
@TakeAGuessWhatsNext
@TakeAGuessWhatsNext 4 месяца назад
Do you rebuild all ecu or just certain ones
@Ecutestinglimited
@Ecutestinglimited 4 месяца назад
Hi. We re-build hundreds of different ECUs, please visit our website www.ecutesting.com and search for your unit's part number. If you cannot find your part number on our website then please email our technical support team on info@ecutesting.com and they will advise you on any re-build services we can provide. Thanks.
@PeterHernandez-lg2eh
@PeterHernandez-lg2eh 3 месяца назад
Troubleshooting a po302 on my Subaru sti
@Lurkin-
@Lurkin- Месяц назад
the part where you test the wires to the cam sensor on the ecu side doesn’t make sense, you can’t just test them they’re plugged into the ecu connector and would lose power if you unplug the connector. where would you be able to test the power on the ecu connection side with it plugged in still
@Ecutestinglimited
@Ecutestinglimited Месяц назад
Hi. You can test the wires on the ECU connector when it is plugged in by back probing the wires behind the connector. We have a video that details how to do this on our channel: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-S8GL8VCg7C8.html Watch from 2:20 onwards for steps on how to back probe. Hope this helps!
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