Removing ECU pins...

[Doctor Gollum]

First, remove the cover and cable tie from the plug assembly.

Then find the ends of the locking tab. On the 3.2/2.6 this is pink.

http://share.photobucket.com/shareprofile/indexshare.php?id=NjQxNzk=

Push this out from the centre of the pronged end...

http://share.photobucket.com/shareprofile/indexshare.php?id=NjQxODE=

Then identify the wire you wish to remove and firmly pull free.

Refitting is the reverse of removal, no cliché intended.