Here is the link to the blog post on the video contains much more information and must visit it.
Here in this video I am explaining how to clean and maintain the drive by wire throttle body for Toyota Camry car. The procedure applies to most cars.
The drive by wire is the newer technology used in cars since 2007 or so. In Toyota it had been introduced in Toyota Yaris model year 2007. In the drive by wire technology the throttle body throttle plate is actuated by an electric motor instead of a mechanical wire and cable arrangement actuated by foot. In the drive by wire system the driver of a vehicle is footing on gas pedal which actuates a set of sensors. They can be some times magnetic sensors and sometimes variable resistors or potentiometers. So by footing on gas pedal a voltage signal is produced proportional to the pressure on the pedal. This voltage signal is feed then to the ECU or PCM of the vehicle. The ECU or PCM is using this signal as input. There are other inputs to the PCM also like MAF sensor, O2 or Oxygen sensor etc. Then ECU or PCM is deciding how much to open the throttle plate to ensure the correct psychometric ratio of fuel and air to get optimum engine performance. In such a case the TPS sensor is acting like a feed back signal sensor to ensure the exact mechanical position of the throttle plate.
The benefit of the drive by wire system is obvious as the ECU or PCM is controlling the throttle plate using an algorithm hence optimum performance and excellent fuel economy is the result. The drive by wire car present much more fuel economy and optimum performance than of the older days mechanical wire arrangement cars were. Also there is another benefit of easy cruise control feature is achieved without installing extra equipment as it was in the case of older mechanical actuated system.
The reason for the optimum performance and better fuel economy is the better control of ECU or PCM on the throttle plate in all driving conditions and situations. The conventional systems is using driver foot force to actuate the throttle plate in the throttle body. So a mechanical wire and cable arrangement is used. Hence the PCM is not controlling air instead it is only controlling fuel quantity to the fuel injectors in such designs. So the system is even a bit mechanical dependent. Whereas in the newer drive by wire system the pcm is controlling the throttle plate hence it controls the quantity of air along with quantity of fuel. By this way a sophisticated and much more efficient control is achieved which results in optimum performance and excellent fuel economy.
Drive by wire system is used in most new car makes and models. They are less pron to dust and dirt accumulation in the throttle body which cases the rough idle and low performance at slow speeds. Anyhow they are having problems when they accumulate dust and dirt. Here in the following lines I am explaining the way to clean and maintain the drive by wire throttle body for a Toyota Camry car.
Drive by wire throttle body cleaning
Locate the throttle body in your car. It is closed to air filter and air intake tube. You should have to remove the air intake tube, the filter box and some times battery also. Also remove the battery one terminal in case if you are not going to remove the battery from the vehicle.
Clean and wipe the throttle body using paper towel. By this way you will be able to remove the small dirt and carbon even more. In the result you will get a very cleaned throttle body.
The sytem includes wide throttle body, skunk2 throttle body, 70 mm throttle body, how throttle body works. The topice covers Throttle Body - Explained, HOW TO CLEAN A THROTTLE BODY !!! D.I.Y. AND SAVE !! Ford Vehicles: Electronic Throttle Body Relearn Procedure, Automotive Technology Course | Electronic Throttle/Drive-by-Wire Testing Electronic Throttle Control (ETC) System, Throttle Actuator Control Systems, How to Clean an Electronic Throttle Body SafelyFord Electronic Throttle Body Failures and so on.
By applying such procedure on can calibrate the throttle body and achieve the ideal idle speed of 600 to 700 rpm. If you don't have a bidirectional scan tool then the other way is to keep the vehicle running and cycle the key for several time. After a few days of use the ECU or PCM will learn the new state of throttle body and will set it to Zero calibration. But the best way is off course to calibrate it using a scan tool. how to clean throttle body. how to clean drive by wire throttle body. How throttle body works. How to clean idle air control valve. How to repair idle air control valve.
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Thanks for liking videos and subscription. Subscribe if you didn't yet! You would get nice videos in future also. There is no space for haters. Haters have no life in future. We all are stepping them down. Best regards,
Very good commentary Jahan and nice work on cleaning the throttle body. I can't understand why some people are so critical. And when you go to their channel, they never have a single video posted. Don't let the haters get you down Jahan as we all get them. Just do your thing and forget about them :) Have a great weekend!
Thanks you very much dear sir. Haters are everywhere and their purpose is to tease others. This is good that they are less in number and less in power also. They can't dominate lovers! Friends like you are available, there is no worry of them. They can't do anything accept trouble for themselves only. Have a look to my new uploaded video and blog post dear sir.
I really like your videos sir. They are very helpful for me and I believed they are helpful for others as well.
However, any constructive criticism and feedback is important by which we become better at our job.
Thank you very much dear friend as you liked my videos. That is great if you are learning something. I am always welcoming all sort of comments on my channel. All comments I am replying in a very positive way as much as they are possible. But for someone it is not possible to be positive with if they make some personal attacks or something ethical. May you understand.
Dear friend thanks for liking and watching video. You may see my blog post regarding this video. There is a lot of information provided addressing your question as well. The blog post address is there in the description. Regards,
Excellent Video brother, may you please help me. My Cressida with 22R engine makes rattling sound while accelerating. It also has rough idle. I tried to clean the carburetor and the problem got a little better. What is the possible cause? Engine occasionally stalls at startup
Thanks dear friend for liking video. If you didn't read the blog post associated with this video, read it now as the blog address is there in the description. You will get more interesting and informative videos and blogs in future Inshallah.
Smashing repair/clean jahan, you allways give a great service to your frends :-).
That really looks fresh and new now, and im sure you checked the pipes for a good seal and the air filter for correct seating, allways a good repair.
Your frends are very lucky to know you :-D.
I never get tired of watching you repair things, its a positive thing to do, in a world of waste and the "Throw away" society.
Thanks dear sir for liking video and dropping such nice words! A performer needs nothing but a few nice words which are not very common in today's world. You are in very respected and honorable friends.
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