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jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: ECU reset on T31


T31 X-Trail Quick ECU Re-set Procedure:

For those that have recently done a performance upgrade (i.e. K&N Filter, Iridium Spark Plugs, Exhaust, etc, etc), an ECU reset/reprogram is advisable.

By performing a reset/reprogram your ECU will self adjust to give the proper air and fuel mixture for your engine which in theory will give you the best fuel economy based on your upgrades.

Here is how to do it:

1. Start up your X-Trail and allow it to warm up to its normal idle.

2. Next turn off the engine.

3. Locate the fuse box located under the bonnet and next to the battery. Pull out the ECCS (20A) fuse. Refer to the pics below. Keep the fuse out for at least 5 minutes. This will cut all power to the ECU.

Image

Here is how to get to the fuse box housing the ECCS fuse:

Image

Image

Image

Image

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4. Plug the fuse back in and close the bonnet.

5. Start your X-Trail making sure NOT TO TOUCH THE ACCELERATOR WHEN YOU START IT UP. This is very important.

6. Let the X-Trail idle at its normal idle speed for about 4 minutes, then turn off your engine.

7. Start your X-Trail again and you're done.

Last edited by jalalski, 19/May/2011, 7:08 pm


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22/Apr/2008, 8:18 pm Link to this post Send Private Message MSN Blog
 
stevoww Profile
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X-TRAIL NEWBIE
 


Date Registered: 03-2012
TOTAL POSTS: 11
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Re: ECU reset on T31


Hello,
I am a new T31 Diesel owner. Could you please advise if this ECU reset applies to both petrol and diesel engines? Thank you for a great website packed full or most useful information and DIY emoticon .
Cheers
stevoww
X-2304
2009 TS AutoT31 Diesel with s/s nudgebar,towbar, protection plastics, etc, K&N air filter
25/Apr/2012, 8:30 am Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re:


Yes, applicable to both.

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25/Apr/2012, 8:49 am Link to this post Send Private Message MSN Blog
 
Bushwaar Profile
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X-TRAIL NEWBIE
 


Date Registered: 04-2012
TOTAL POSTS: 4
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posticon Re: ECU reset on T31


I have a NISSAN X-TRAIL MY11 Ti CVT 4WD T31 5 door SUV (5 seat) 2.5L (125kw) 9spd Automatic 4WD ULP (Released 1210) with a QR25 engine.
I read your forum & found it to most helpful.
My tail light fuse blew & without this forum I would never had been able to find it.

CONGRATULATIONS.
28/Apr/2012, 12:46 pm Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re:


No worries Rod, you're very welcome and that's the exact reason we have this forum in place emoticon

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28/Apr/2012, 12:51 pm Link to this post Send Private Message MSN Blog
 
cooch t31 Profile
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Date Registered: 06-2008
Location: Blue Mountains, NSW
TOTAL POSTS: 5966
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Re: ECU reset on T31


quote:

Bushwaar wrote:

I have a NISSAN X-TRAIL MY11 Ti CVT 4WD T31 5 door SUV (5 seat) 2.5L (125kw) 9spd Automatic 4WD ULP (Released 1210) with a QR25 engine.
I read your forum & found it to most helpful.
My tail light fuse blew & without this forum I would never had been able to find it.

CONGRATULATIONS.



Good to hear Rod, you might want to edit your post as I think a lot of people would be jealous seeing that you have a 9spd auto. emoticon

---
Tony X-891c

HERE is my D22 Navara
HERE is my old 2008 T31, ST Series1

28/Apr/2012, 3:06 pm Link to this post Send Private Message
 
YoYo87 Profile
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X-TRAIL NEWBIE
 


Date Registered: 08-2012
Location: Sydney NSW
TOTAL POSTS: 9
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Re: ECU reset on T31


Copied & pasted from the DIY section:
Reset ECU without disconnecting the battery or pulling fuses

Did a quick forum search & couldn't find anything similar to this method.
I've been using this on my 2007 nissan skyline & have also done this on a 2006 350z so this method should work for most nissans 2006+ if not earlier.

Read the process a few times before you try to do this its ALL ABOUT TIMING:

1) Put the car in 'ON' mode (cars with intelligent key press the start button twice with foot off the brake to put car in on mode)

2) Within three seconds of the car "ON" (again NOT started), Floor (all the way down) and Release the accelerator pedal fully 5 times within 5 seconds.
Do not do this too fast.. 1..2..3..4..5

3) Wait 7 seconds then floor the accelerator pedal and hold for 10 seconds. After that 10 seconds the Check Engine Light will start to blink slowly.

4) Release the pedal and floor it down once again and hold for 10 seconds. After these 10 seconds the check engine light will disappear then begin to flash much more rapidly. After you have done the following turn the car off and then back on.

The ECU is now reset!!

Again, this reset is all about timing, if it does not work for you, try try again until it does!
I have included a video of this demonstrating the process, my car is a 2012 series 5 xtrail & as said earlier I have used the same method on other older nissan models.

Youtube link

Give it a try, I'd be interested to see if this works for the T30 as well
There are plenty of benefits & reasons you would want to reset the ECU which I will not go into detail on here, hopefully this makes it easier/quicker for you guys in future

Last edited by YoYo87, 27/May/2013, 1:41 am


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Jason X-2608
2012 series 5 ST 4x4 Manual
22/Aug/2012, 8:04 pm Link to this post   Blog
 
nickv1980 Profile
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X-TRAIL NEWBIE
 


Date Registered: 08-2012
TOTAL POSTS: 13
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Re: ECU reset on T31


Your the man YoYo i was sceptical at first but after watching your video im sold !

One thing ho did you find this out ? And are you 100% sure its re-setting the ecu and not doing something else ??
25/Aug/2012, 4:13 pm Link to this post Send Email PM   Send Private Message Blog
 
YoYo87 Profile
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X-TRAIL NEWBIE
 


Date Registered: 08-2012
Location: Sydney NSW
TOTAL POSTS: 9
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Re: ECU reset on T31


Found the procedure years ago in a factory service manual I downloaded for my other car (imported '07 nissan V36 skyline/infiniti g37 in the US).
http://www.g37-tech.com/wiki/Category:Service#Factory_Service_Manual

the flashing light is basically the signal from the ecu that it has been reset, my skyline also has things like average speed & fuel consumption displays which reset themselves every time I do this.
I'm sure the Ti model Xtrails with multi-function displays would do the same thing

it doesn't do anything like reset radio presets or custom menu settings etc, just resets the ecu



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Jason X-2608
2012 series 5 ST 4x4 Manual
25/Aug/2012, 10:17 pm Link to this post   Blog
 
mfeodoroff Profile
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X-TRAIL FANATIC
 


Date Registered: 09-2012
Location: Brisbane
TOTAL POSTS: 309
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Re:


Hi All,

I tried Jason's 'bum on seat' style ECU reset on my exy on the weekend. The only problem I has was the key needed to be 'ON' rather than 'ACC' (but the engine off)...noticed this when I checked the video.


I later stumbled across this on the InterWeb when I was looking for something else:


XTRAIL RELEARN PROCEDURE FOLLOWING THROTTLE CLEAN
Idle Air Volume Learn (IAVL)
The ECM learns the volume of intake air at idle.
This must be relearned whenever there is an idle concern or the Throttle Motor or Throttle Position Sensor or the ECM connectors have been removed or components replaced.
It should also be conducted when any changes have been made such as CLEANING the throttle valve.
IAVL can be conducted with a scan tool or manually.
Note!
To enable IAVL learning, the following conditions must exist:
Battery Voltage > 12.9 Volts.
Coolant MUST be between 70° C to 95° C - not too hot.
Park / Neutral Signal detected at ECM.
All electrical loads OFF.]
Vehicle stationary.
Steering at rest.
Transmission hot (vehicle driven for 10 minutes).

 
Scan Tool
Follow scan tool instructions to run IAVL.
Scan tool should show "Completed" within approx. 20 seconds.
 OR Manually
Note!
It is best to accurately time each step with a digital watch using the Elapsed Time scale on the chart.

1. Ignition must be OFF for at least 10 seconds.
2. Ensure accelerator is fully released.
3. Switch Ignition ON and wait for 3 seconds.
4. Repeat the following procedure quickly FIVE TIMES within 5 seconds:
- Fully depress accelerator.
- Release accelerator.
5. Wait 7 seconds, fully depress accelerator for approx 20 seconds until MIL stops flashing and stays ON.
6. Release accelerator within 3 seconds of the MIL staying ON.
7. Start engine and idle for at least 20 seconds.
8. Rev engine several times and re-check ignition timing and idle are correct.
9. IAVL should be complete and the engine idle should be normal.


I haven't tried this yet, but does anyone have any comments on the way this differs from Jason's version from point 5 onwards? It's similar but not quite the same.

Cheers,
Mark

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Mark (X-2639)
2011 ST Series IV 4x4 with CVT in Precision Grey
Cooper CS5s, Tinting, Towbar, Bonnet Protector.
Mods: Steering Wheel Lights, Bash Plates, DBA Slotted Rotors


4/Mar/2013, 10:25 am Link to this post Send Email PM   Send Private Message Blog
 


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