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Evo ECU Removal

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Old Jul 8, 2003 | 05:56 PM
  #1  
tx evo's Avatar
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From: Texas
Ecu removal

The Ecu location is behind the Glove Box. Remove your glove box. Take and open the glove box and pop out the left stopper pin. Slide the glove box to the left so the right stopper pin clears the lip. Rotate the glove box and remove. The ecu is the box mounted vertically towards the left.

Remove the plastic wire cover which sits below all the Ecu wires.

It will be easier to remove the connectors while the Ecu is still secured mounted. Push the Tab Lock on the yellow connector and carefully remove pulling on the connector. DO NOT pull on the wires. Repeat this on all connectors. (I think is 4 connectors)

Identify the three black bolts in a inverted triangular pattern holding the Ecu bracket. Use a 10 mm tool to dismount the bracket. The Ecu will slide downward cradled in the Bracket.

To put back in just revise the process.

This should take u about 4-5 mins to take out.


Last edited by tx evo; Jul 8, 2003 at 05:59 PM.
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Old Jul 9, 2003 | 09:25 AM
  #2  
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Thanx for the info...Just what I was looking for!!!
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Old Jul 9, 2003 | 09:31 AM
  #3  
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From: summerland
nice info, I also think there is a pdf floating around. Maybe from works that outlines this nicely.
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Old Jul 9, 2003 | 04:02 PM
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Hrmm..what, exactly, does the "front ECU" thats in the power/fuse box under the hood do then? Thought it was the only ECU for the car? Damn mitsubishi anyways..making things complicated!

-Bedlam
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Old Jul 9, 2003 | 07:27 PM
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Why are you going through that trouble to disconnect the harness? Are you pulling the ECU for a reflash? Otherwise, there is a small plastic access panel that hinges down right below the bottom of the ECU.

Mark
www.Quantum-Racing.com
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Old Mar 6, 2004 | 01:04 AM
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So you can put in a field harness without removing the glove box?
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Old Mar 6, 2004 | 06:22 AM
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From: Columbus, OH
Exactly. The plastic access panel is there specifically to avoid having to remove panels to get at stuff. The glove box method is great because I usually install eManage units to the right side of the ECU and need to swing it out a bit (with the box removed) to hook up the cable when I want tune.

Mark
www.Quantum-Racing.com
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Old Jul 24, 2007 | 09:59 AM
  #8  
evobryan's Avatar
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Quantum Racer website doesnt work
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Old May 6, 2008 | 12:18 AM
  #9  
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From: Renton, WA
Found my answer, nevermind :O

Last edited by Adamk24; May 6, 2008 at 12:51 AM.
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Old Aug 3, 2008 | 06:16 PM
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should the battery be disconnected before disconnecting any of the ecu wires?
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Old Jul 6, 2009 | 05:42 PM
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From: NORCAL
Originally Posted by kevinoffroad4x4
should the battery be disconnected before disconnecting any of the ecu wires?
Its a good idea but it shouldn't do any harm even if you leave it connected.
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Old Jan 9, 2010 | 10:04 PM
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From: Exeter
can anyone put up a pic of the ecu installed and the connectors exposed
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Old Aug 2, 2010 | 03:19 AM
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any luck getting those pics
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Old Dec 13, 2010 | 09:26 AM
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Im a bit confused here guys
What is the box on the right side when the glove box is off?
I thought that was the ecu

Will check tomorrow again ,need to see if my Evo 8 has a 8 or 9 ecu (3 or 4 plugs)for my plug and play enquries .Apparemtly some Evo 8's came out with 9 ecu's
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Old Dec 25, 2010 | 10:29 PM
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From: ...small dots....
Originally Posted by Shane8
Im a bit confused here guys
What is the box on the right side when the glove box is off?
I thought that was the ecu

Will check tomorrow again ,need to see if my Evo 8 has a 8 or 9 ecu (3 or 4 plugs)for my plug and play enquries .Apparemtly some Evo 8's came out with 9 ecu's
i believe evo 8 is 4 plug while evo 9 is 3 plug ( as my ix is 3plug for sure)... maybe those evo8 doin some harness convertion ???? im nt sure indeed...
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