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How To Remove Your ECU

MAP81

By MAP81
in Corolla / Corolla Sportivo Club

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MAP81 Mentor

MAP81

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Hey Guys,

I just thought I would share this with you all hope it can be of assistance to someone.... It is advisable to disconnect your battery first although I have been told you can just remove the EFI fuse.... but better to be safe than sorry ;)

HOW TO REMOVE YOUR ECU......

1. Locate your glove box :P

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2. Open and remove all you crap from it....

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3. Flex sides of glove box inwards to get the little stop things past the surrounding dash...

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MAP81 Mentor

MAP81

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4. Reach in and remove the little plastic tube strut type thing that makes the glove box open and close smoothly, just pull it to the right...

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5. Pull the glove box towards you so it unclips from its hinges at the base…

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6. Stick your head in the foot well and look up, you will see two “plastic push in clip/screw thingies” (I didn’t take a photo :unsure: ) pull these out and then rotate the plastic guard towards the floor

100_0974Asml.jpeg

Here is a pic of the guard thing hanging down the blue circle is where one of the “plastic push in clip/screw thingies” goes…

100_0990Asml.jpeg

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MAP81 Mentor

MAP81

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7. Remove the two screws circled in red and unhook the hook circled in green… and with a little bit of a wiggle it comes out (there is a rubber tab that mounts the front of the ECU into the firewall it wiggles out)

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8. Unplug the connectors….

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and there you have it….

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MAP81 Mentor

MAP81

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This was all done on my 2003 Levin but shao was got a bit curious when I was telling him about it so he will be able to confirm if it is the same for the Sportivo or not.....

*** I in no way take any responsibility for any damage that you may cause to your car when following this guide.... :P ****

And if anyone is wondering why would I bother to pull my car apart and post all this....well

1. curiousity got the better of me

2. thought it might be helpful...

and finally 3. Well this one is a secret ;) but hopefully in the next few weeks I will have it all sorted and will share then :D

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CHA54 Grand Master

CHA54

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it's actually a whole lot less dodgey than using vampire splices and bullet connectors like some "professional" installers use.

This method doesn't compromise the factory loom at all, and it does work... :P

The best part is you can remove it, and no-one will ever know it was there in the first place, unlike a unichip etc which splice into the factory loom.

This is essentially the same as the older HKS FCON setups that use a "fields" harness for quick installation/removal.

Out of the following, which would you prefer in your car?

this:

Picture_010sml.jpeg

or this:

post-20-1095048320.jpg

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MAP81 Mentor

MAP81

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ur 100% sure it'll work?

hehehe....seems dodgy..but...good at the same time.

i like!   :lol:

Hey xTiGeRx,

yeah as rollamods said it works :D we tested the extn loom before we spliced in the emanage, and the car drove perfectly without a hitch...

Now just have to get it tuned up and away I go :P

Total cost so far $450...

$400 for the E-manage

$50 for the second hand 1zzfe ecu that came out of a wrecked Jap celica....

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  • 4 weeks later...
MAP81 Mentor

MAP81

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Mark......

Hard work does pay off, doesnt it ;)

Good effort. Verey impressive. Now you've only got another 40 kW's to catch me :P *jokes

So are you happy with the feel after the tune last night??

Yeah the car feels great to drive, we had a bit od a hiccup with the tune last night but i went back mid morning today and the guys at Mercury sorted it all out and now its running better than ever... :D :D :D

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