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Relearn throttle - Mercedes-Benz Cars & Trucks

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Model below 1998 you can disconnect battery for 15 minutes to relearn programs

Posted on Nov 26, 2013


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We have clean the throttle body on a 2008 nissan qashqai and the rpm are going from 1500 to 2000 and coming back without touching any pedal.we took the throttle switch and the rpm went back to normal.

need to perform closed throttle position relearn and IAVL relearn. unfortunately IAVL gets done with nissans consult scanner, so you have to get a scanner that will do it, or go to a dealerand get it done, but closed throttle position relearn you can do at home by turning the ignition key on for 10 seconds and turning it off for 2 seconds 4 times in a row. you need to perform both operations fot the car to run right / back to normal. when you cleaned the throttle chamber, you changed the closed throttle position because the chamber is clean now and the throttle plate has moved some.

Aug 10, 2016 | Nissan Cars & Trucks

1 Answer

My hhr 2006 i try to clean the throttle body but now the relenti is to high how i reprogram the throttle body

You need to use the Tech II scan tool from GM to perform this relearn process. You can try disconnecting the battery for 30 minutes, but you more than likely will need the relearn procedure done at your local dealer.

Oct 12, 2015 | 2006 Chevrolet HHR LT

1 Answer

How do I do a throttle body replacement relearn on a 04 isuzu ascender

The relearn is done by unhooking the battery for 30-60 minutes. With all HVAC OFF, hook the battery back up and drive your Ascender around for about 40 min or so, at this time, it will relearn. To test it, stop the vehicle put it in park and turn your AC on, if your car doesn't show signs of boggin down or trying to die on you, your relearn was done correctly. This is all assuming that your throttle body is CLEAN!!! If it's not clean, your idle will be bad and engine will try and die on you at idle when your AC or Defroster are on. Relearn should of already been done---> you always disconnect the battery when cleaning the throttle body, as to not to damage the stepper motor that moves the butterfly. To properly clean the throttle body and for best results, always remove the entire throttle body and clean BOTH sides with a sensor safe spray like Seafoam and a rag or nylon brush, you can reuse the hard plastic gasket. Hope this helps!

Oct 12, 2015 | 2004 Isuzu Ascender

2 Answers

How do I adjust the throttle body

The throttle bodies on most newer cars are not adjustable for its idle speed. If the Check Engine Light is on, go to the nearest auto parts store and get them to pull the error codes from your car's computer. Post the codes back here and we can give you a better answer to your question

Mar 22, 2015 | 2007 Toyota Corolla

1 Answer

2004 chevy colorado throttlle body relearn

I haven't done a throttle relearn. All I have done are plug and play. Ecm controls the throttle thru the pedal position sensor. I've done up to 2010 so far, on various makes and models.

Oct 11, 2014 | 2004 Chevrolet Colorado

2 Answers

Pcm relearn

what large topic. and wow, not even a FUNCTION STATED
just the WHOLE PCM,.
no symptoms, no issues, just that.
not sure what engine you have there, and matters !!!
most PCM's relearn EVERYTHING after you pull the battery
connections or the PCM memory fuse. IOD fuse.

dont pull the battery, or lose radio passcodes. (bricks IT or NAV bricked, if opted)
lots of learn, paths.
fuel trim? ( does o automatically as does spark)
spark advance, and knock data?
transmissions all have learn mode, and do so automatically when reset.
now the last one, some cars, the TB (throttle ) body must be relearned, some are auto learn others not.
aka: throttle by wire ,relearn.
did you replace something (my other shoe drops......)

did you first scan the PCM and see if there are issues.
if not, why not, why work blind>?

there are other learns
seat position (guessing BCM)_
pedal position relearn, omg.
Sentry Key "Customer Learn" Mode
transmission quick learn or drive learn (read the FSM yet?)
chapter 8e-290 + all those learn steps for trans, takes no tools.
RTM? yet?

instrument cluster learn mode? Odometer?
At the garage door opener receiver (motor-head unit) in the garage, locate the 9learn9 or 9smart9 button.
sun roof relearn?

TPS learn(excepted)
"Is the voltage reading within the listed specification when the
jumper wire is installed?
Yes >> Replace the Throttle Body Assembly. Disconnect the Battery
when replacing the Throttle Body Assembly. After
installation is complete, use a scan tool and select the
ETC RELEARN function.

No >> Go To 4
NOTE: Remove the jumper wire before continuing."

ill stop here, (i scanned the whole FSM for you on LEARN)
these newer cars the PCm .,BCM and other modules work on cooperative modes. Ill be the last to ever say , where learn data i stored, that i below my paygrade (retired and zero) LOL !

why not post something more focused.
I'm considering a new TB.
what do I need to know.?

Jul 05, 2014 | 2006 Jeep Commander

2 Answers

What is relearn on a vehicle

it could be the gear shift pattern. changes gear according to how you drive.

Jun 23, 2014 | 2001 Isuzu Rodeo

1 Answer

No throttle after getting to normal tempture

Need to scan ECU and read any stored codes. . 'Throttle relearn' may be required too which is also done by a scanner .

Throttle control motors also fail but 'relearn' will usually indicate if motor is bad. It's an easy visual diagnosis to check if throttle plate is moving during testing.

Oct 13, 2013 | 2000 Audi TT

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