Nissan idle relearn not working. While the process aims to sy So I cleaned my tb,put everything back together,and now its gone retarded and the idle is high,Ived searched and found the idle relearn procedure in the FAQ section but it's not working for me,i followed the steps,and this is where i get stuck on,the part where you step on the gas pedal and 2007 Versa S. Re-perform the Idle Relearn Procedure (Procedures 1-3 above). Mar 19, 2011 · Do not perform the relearn if the service engine soon light (CEL) is still on and codes related to the mass airflow sensor, manifold absolute pressure, or incorrect idle speed are found. Or it COULD be the Well, Nissan has now totally taken away the ability to adjust idle speed. Operation Procedures 1. Accelerator Pedal Released Position Learning 3. ) This alone may correct the problem, but if not, will give you a blank ECU (all learning and codes wiped) to work with. fixing Nissan idling problem Engine runs rough. If you’ve performed a major repair, disconnected the battery, or disconnected a MAF sensor while the engine is running, you may have to perform a Nissan idle relearn procedure (also called an idle air volume relearn procedure). I know shops who have changed both ecu and throttle and it still doesn't work. As soon as the new throttle body was installed I started the car g I didnt have to do a idle relearn. Aside from making sure that ignition timing is correctly (which really is not adjustable except for a very small amount), the idle speed is programmed into the ECU, is not adjustable, and can only be reset by performing the idle-air relearn procedure. The Data Display will also work for ~20secs before losing connectivity. You’ll also learn what Nissan idle relearn means and how to perform the relearn procedure. 4. Now I keep getting a fast idle code come up. Aug 16, 2023 · In this article, we’ll dive into why the Nissan idle relearn process may not complete correctly or set a steady idle. I have The startup and idle issues are still resolved, but the "stutter/stumble" when I let off the accelerater then get back on it lightly at perhaps 40 mph. It's idling around 1400rpm, and am trying to relearn the idle control. 5SL, it needed a little work, and one of the first things I did was put fuel injector cleaner in the gas to clean all of that out. This procedure helps the ECU relearn the air-fuel mixture for optimal performance. Goes away after a couple miles. . 7 . Dec 22, 2025 · The Nissan idle relearn is a critical electronic calibration that syncs the throttle body with the ECU to ensure a smooth engine idle. Perform "Accelerator Pedal Released Position Learning. id be checking connections to the throttle body, could be partially connected??? Just FYI, I tried the Nissan idle relearn procedure some more and it finally solved the problem without buying any more parts or searching for vacuum leaks. Is there any new info/service bulliton on the idle relearn procedure? I followed these steps and the ones posted by warhammer and my car stalls at the last step when it says "turn car on" and wait for 20sec. Mar 20, 2020 · After replacing valve cover gasket, replacing coils/plugs, cleaning throttle body, and replacing PCV valve, I have high revs on idle or neutral and the throttle relearn procedure fails (CEL won't turn steady in last step). The Nissan Idle Relearn procedure, a seemingly simple task, can quickly become a frustrating roadblock for automotive technicians. In this video you can see the whole re-learning process and what Re: How to perform PEDAL, THROTTLE and IDLE relearn?? Post by M4point5 » Thu Jun 20, 2013 4:24 pm Confirmed working for M45. The throttle relearn procedure is often necessary after replacing the throttle body or to address rough/unstable idle issues on Nissan and Infiniti vehicles. You must get the timing just right Use a stop watch to help the precision of your timing. " 3. A Rough Idle or a SES can sometimes be caused by a change in the throttle body position sensor calibration. Trans oil is above 60. Andy discusses what changes to an electronic throttle body require a relearn process. The official procedure can be found here; however, I found that this procedure is very time sensitive and it was much easier to perform it the following way. After the replacement, the new Electronic Throttle Body for your Nissan has to be relearned. I installed a cold air intake on my 04 Maxima and cleaned the throttle body before installinfg the intake. Oh well. I've tried changing the offset and dropping the baud rate but to no Step by step video. so i followed all procedures of the relearn: 1. When trying to relearn the idle air volume on a Nissan there are a couple things that you need to check if it won't complete. First, bring the engine to normal operating temperature, 160-203°F or 70-95°C. To correct any accidental changes in throttle body calibration, use these procedures to recalibrate. Possible Causes Reset/Relearn Procedure Wiring Damaged During Install Faulty Aftermarket Sensor Two sensors are not in agreement - cam & crank if the cam sensor position is off. " 2. Do not perform the relearn procedure if the check engine light (CEL) is still on and codes related to the mass airflow sensor, manifold absolute pressure, or incorrect idle speed are found. However, NONE of the videos or pages relate specifically to the third generation Murano so I wonder if it's applicable to this particular vehicle and generation. Fix idle problems, stalling, and check engine light without expensive dealer visits. Battery voltage above 12. But once I go to drive the car again, the idle is high again (at about 1200 rpm) and it will throw the SES light usually after I drive it once more. If not, you can disconnect the battery for a few minutes, start the engine and let it idle for at least ten minutes. Hi! Wow, I forgot all about this. I do the pedal relearn the the closed throttle relearn then the throttle idle relearn but it doesn't work. Idle Air Volume Learning many times without any luck, no matter what the rpm will not drop below 800-900 rpm and i can hear my truck idle high with my exhaust setup. this Altima was a bucket of problems, after replacing the alternator 3 times in a row we got rid of it. came home did a search and got the relearn procedures and preformed them multiple time with no luck. Reconnect fuel injectors and allow engine to idle for 30 seconds. I found Performing an idle learn after a throttle body replacement doesn't get any easier or faster than with exclusive Service Resets & Relearns, only available from Snap-on! Re: How to perform PEDAL, THROTTLE and IDLE relearn?? Post by M4point5 » Thu Jun 20, 2013 4:24 pm Confirmed working for M45. Note: These procedures are a little tricky to do. Unfortunately, instead of getting better results, I now have rpm between 1400 and 1600. Start engine to make sure idle is still stable. Perform "Throttle Valve Closed Position Learning. The target idle and timing adjustments must be at zero (no correction) for the relearn to complete. How do I do a idle relearn procedure to get this to go away without having to pay thru the nose at the dealer or other mechanics. I "recharged" my K&N air filter, vacuumed out the air filter housing, and cleaned my throttle body. Perform a Nissan throttle body relearn procedure any time you disconnect the throttle body or clean it. Throttle Valve Closed Position Learning 4. Having high idle issues, I recently got my throttle body cleaned and got a code p0507 high idle and I have tried almost all of the relearn steps for the throttle body and nothing is working please help and the reason why I got my throttle body cleaned was because I was getting a little hesitation on accelerating from a stop and felt like a How to reset your ECU and perform the Throttle Pedal Release and Idle Air Volume Learning procedures on an Infiniti G35 and the Nissan 350Z. Before beginning, make sure the vehicle has no check engine lights, the engine and transmission are warmed up, the battery is charged, and electrical loads are off. It attempts to apply but comes back with "ECU Busy" with a timer. Start the engine and warm it up to normal operating temperature. If idle is stable and below 850 RPM, the relearn procedure was successful. If everything is in order, we can begin. Engine coolant temp is between 70 -93. Sure enough it threw the Air Idle high then expected, I cleared the code and drove it A bit further to get all the systems to retest and it threw the code again. All parameters are in check. All other functions appear to work OK. How do you reset a mass air flow sensor? Many high-end code scanners provide the option to reset the sensor. Troubleshooting Idle Relearn Issues If standard relearn procedures aren’t working, try these troubleshooting steps: Try the Extended Driving Method Some vehicles respond better to extended driving with varied conditions. Idle Relearn Procedure After cleaning or replacing the throttle body or IAC valve, the ECM may need to relearn the correct idle parameters. Before doing a re-learn, perform a ECU reset by disconnecting the battery for overnight (10 minutes won't cut. There are many slight variations posted on the relearn procedure, but here's what eventually worked for me: Step by step video. However, many shops will perform an idle relearn procedure for free if you’ve had other service work done. Everything including the idle relearn worked successfully on my old laptop with the same adaptor. Yes, the stopwatch was crucial for the Idle Relearn procedure. I’ll take you through the causes of Nissan idle relearn not working and what to do. Well, Nissan has now totally taken away the ability to adjust idle speed. Although the throttle closed partI do not hear anything from the throttle valve. Yes, it COULD be a vacuum leak. Idle Air Volume Learning (Throttle Position Learning) It is better to count the time accurately with a clock. I have since learned that was a very bad idea. The idle for the Nissan Versa should be between 650-750 RPM at park or in neutral. Some work after a month of driving. Only thing i could think is the sensor on the throttle body is damaged somehow, maybe not reseting the "butterfly" to the closed position anymore. I recently bought a 2003 Altima 2. Learn how to do a Nissan Throttle Body Relearn step by step. So I looked online and followed the Nissan idle relearn procedures. Must be doing something wrong because it's not working. checked timing and it is @ 5 degrees in park, and I couldn't find any vacuum leaks I replaced the throttle body on my wifes 2005 nissan sentra after the tps went out. Jun 1, 2008 · At the end of the relearn when you have to start the car and let it idle, it idles fine, right about at 750 rpm. How to reset your ECU and perform the Throttle Pedal Release and Idle Air Volume Learning procedures on an Infiniti G35 and the Nissan 350Z. Armed with the knowledge to diagnose idle relearn problems on your Nissan, you can fix any underlying issues and ensure the procedure completes fully. followed up by the idle relearn. fixing Nissan idling problem Performing an idle learn after a throttle body replacement doesn't get any easier or faster than with exclusive Service Resets & Relearns, only available from Snap-on! My idle was about 1200 and i switched out the airbox to a k &n intake and it dropped to 950 so i did the idle volume air relearn and it droped to 750 and then next time i started it up it went back to 1000. i know i used all oem spec parts but not from nissan. Do not perform the relearn if the service engine soon light is on and codes related to the mass airflow sensor, manifold absolute pressure, or incorrect idle speed are found. After replacing valve cover gasket, replacing coils/plugs, cleaning throttle body, and replacing PCV valve, I have high revs on idle or neutral and the throttle relearn procedure fails (CEL won't turn steady in last step). Reset ECU 2. im thinking about redoing all parts, iacv and crank cam sensors with nissan oem parts. Performing this process prevents stalling and restores fuel economy after battery or intake maintenance. This is especially true for Nissan vehicles, where the ECM may not automatically adjust after service. The idle relearn procedure typically involves: Ensuring the engine is at operating temperature. Take note, this is about computer controlled, drive by wire throttle bodies! so i followed all procedures of the relearn: 1. Is your engine stalling or idling rough? Learn how to reset and recalibrate your throttle body with clear instructions, troubleshooting tips, and essential tools for the job. The Relearn is mandatory. I decided to "tune-up" my X-Trail a little bit. Before the tune-up, I was idling normally (750 rpm). Thoughts and opinions are appreciated. 9l8e, okrpvp, hcwwli, oizim, aorw, x6zuz, cusjv, 76z8c, dkl8fl, hqgae,