DIY: Easy Way to Reset ECU without battery disconnect
#106
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Join Date: Mar 2010
Location: Montreal
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So why did they make it so difficult to reset the ECU if it can't really cause any issues? I'll just go with the battery route instead of potentially be annoyed a the procedure :P Setting XM radio stations takes 2 mins..
#109
Registered Member
iTrader: (6)
Disconnecting the battery does mess with your windows. After installing grounding wires, you need to follow the process below in order to get your windows back to normal functionality.
To perform a window reset:
1. Push the ignition switch to the ON position.
2. Close the door.
3. Open the window more than halfway by operating the power window switch.
4. Pull the power window switch and hold it to close the window, and then hold the switch more than 3 seconds after the window is
closed completely.
5. Release the power window switch. Operate the window by the automatic function to confirm the initialization is complete.
6. Perform steps 2 through 5 above for other windows.
Just follow the directions for the ECU reset... very simple. In my experience, the parking brake does not need to be on, and the radio does not need to be off, though it doesn't hurt I guess. I personally used the song clock as my stop watch.
To perform a window reset:
1. Push the ignition switch to the ON position.
2. Close the door.
3. Open the window more than halfway by operating the power window switch.
4. Pull the power window switch and hold it to close the window, and then hold the switch more than 3 seconds after the window is
closed completely.
5. Release the power window switch. Operate the window by the automatic function to confirm the initialization is complete.
6. Perform steps 2 through 5 above for other windows.
Just follow the directions for the ECU reset... very simple. In my experience, the parking brake does not need to be on, and the radio does not need to be off, though it doesn't hurt I guess. I personally used the song clock as my stop watch.
#113
Registered User
iTrader: (4)
got this to work thismorning after realizing you needed to add the times up for it to work. thanks for the DIY!
this is what i did (was a little confused by the previous posts)
time (s)
0-3 nothing
3-8 pump 5 times
8-15 nothing
15-25 hold down untill flashing starts, release and re apply
25-35 hold down. done when it starts flashing quickly.
this is what i did (was a little confused by the previous posts)
time (s)
0-3 nothing
3-8 pump 5 times
8-15 nothing
15-25 hold down untill flashing starts, release and re apply
25-35 hold down. done when it starts flashing quickly.
#114
Registered User
iTrader: (4)
hi guys..
i just install the injen intake yesterday, without taking out the battery. Thought i would give it a try without and see how it goes..
but now, the engine light's on. Do i just follow the DIY on this thread to work on resetting the ECU??
Or can i just take out the battery and put it back on??
or worse case, i have to take it back to the dealer??
Thanks!!
i just install the injen intake yesterday, without taking out the battery. Thought i would give it a try without and see how it goes..
but now, the engine light's on. Do i just follow the DIY on this thread to work on resetting the ECU??
Or can i just take out the battery and put it back on??
or worse case, i have to take it back to the dealer??
Thanks!!
#117
I did this for the first time last night. It worked with the instructions provided, but look at the first two or three pages in the this thread. There was a helpful reply about "prepping" for the reset. Two nights ago, i tried for about 20 minutes. Never got close. Came back to the thread and found a piece that talked about things to do first.
I would highly recommend having a stop watch or something to watch the seconds. You are supposed to have the engine at warmed up temperature. Have the parking brake on. Turn off everything else (air, lights, radio, etc).
After I did that, I had no problems resetting the ECU. Took one try.
I would highly recommend having a stop watch or something to watch the seconds. You are supposed to have the engine at warmed up temperature. Have the parking brake on. Turn off everything else (air, lights, radio, etc).
After I did that, I had no problems resetting the ECU. Took one try.
#119
I see that I am 2 years late on this post, but I tried this on my 2010 G37x and it worked. I wanted to reset my ECU for the spring time and after I replaced my factory air filters with K&N air filters.
#120
Registered User
...i couldnt get it to work - i just pulled the POSITIVE terminal off..will let it sit for a few hours..then take it for a spin -- KEEP'IN IT OLD SCHOOL! LOL