pezzler Posted June 27, 2010 Share Posted June 27, 2010 As it stands, getting my car sorted has become more important than the game this afternoon, so any advice on sorting this quickly would be very much appreciated. I have has a few throttle/fuelling/idling issues since a botched FCD install. I tapped into the sensor ground rather than the ECM ground. see thread (if you like that is) http://www.mkivsupra.net/vbb/showthread.php?t=221224 Anyhoo, I repaired all connections, removed FCD etc etc - same issues I have just been out to test the ECU grounds, what I have found is; i'm getting continuity between the ECM ground (pin 69), and ECU cover, but nothing between the sensor ground (pin 65 from memory??), and the ECU cover I'm guessing this is whats causing the problems I'm not really prepared to track the sensor ground wire through the car as it looks like it could be a PITA. My question is: Could I ground the sensor ground wire from the ECU directly onto the ECU casing? Seeing as it all goes back to the same place, surely this wouldnt be an issue? Thanks in advance for any input Andy Quote Link to comment Share on other sites More sharing options...
JustGav Posted June 27, 2010 Share Posted June 27, 2010 Have you checked the ground strap just behing the trim on the door pillar? Perhaps take it off and give it a bit of a clean up. Quote Link to comment Share on other sites More sharing options...
pezzler Posted June 27, 2010 Author Share Posted June 27, 2010 Is the a big earthing point behind the jesus christ handle? Quote Link to comment Share on other sites More sharing options...
JustGav Posted June 27, 2010 Share Posted June 27, 2010 Is the a big earthing point behind the jesus christ handle? No. just behind the carpet at floor level, sorry, my fault, should have said that, I'll grab a pic if of mine if you want as I've got the trim out the way. White with black trace on it, should be two of them going into a ring. Quote Link to comment Share on other sites More sharing options...
pezzler Posted June 27, 2010 Author Share Posted June 27, 2010 No. just behind the carpet at floor level, sorry, my fault, should have said that, I'll grab a pic if of mine if you want as I've got the trim out the way. Thanks for the advice, dont worry too much about the picture. I pretty much have been curled up in the footwell of my car for about 4 days now, everything is out of the way so I should spot it Electrical problems are my favorite.... Quote Link to comment Share on other sites More sharing options...
absz Posted June 27, 2010 Share Posted June 27, 2010 don't think you will be able to connect it to the earthing point if the pin is a SWITCHED ground as that will cause you more problems as i have found repairing someone elses emanage install. Quote Link to comment Share on other sites More sharing options...
pezzler Posted June 27, 2010 Author Share Posted June 27, 2010 Turns out, this little beauty goes all over the engine bay - Pin: E2 on MAF - Pin: E2 on Turbo pressure sensor - Pin: 1 on sub throttle sensor - Pin 4 on throttle position sensor - Pin: 1 on EGR temp sensor - Pin: 1 on A/T fluid temp sensor - Pin: 1 on coolant temp sensor Oh how we laughed... ... not as bad as Englands defending though Quote Link to comment Share on other sites More sharing options...
pezzler Posted June 27, 2010 Author Share Posted June 27, 2010 MY! arent the clips on all of the above very, very very brittle Anyone wanna buy a j-spec? Quote Link to comment Share on other sites More sharing options...
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