aziz360 Posted January 29, 2013 Report Share Posted January 29, 2013 Hi i have a lupo 1.4s aua. i can't connect to ecu and was wondering if anyone has the wiring diagram for the ecu, or if anyone knows which colour wire/wires will go from the ecu to the obd port.Thank you Quote Link to comment Share on other sites More sharing options...
Skezza Posted January 30, 2013 Report Share Posted January 30, 2013 Okay, need a bit more info here. HOW, are you trying to connect to the ECU? There's different protocols and for all you know, the tool you are using doesn't support the protocol that is used on the Lupo ECU... Quote Link to comment Share on other sites More sharing options...
aziz360 Posted January 30, 2013 Author Report Share Posted January 30, 2013 I have tired snap on tool, vcds and also vw tried connecting to it. Will connect to everything else airbag abs etc. just not engine. Quote Link to comment Share on other sites More sharing options...
lupoluke Posted February 3, 2013 Report Share Posted February 3, 2013 Check all your fuses. Quote Link to comment Share on other sites More sharing options...
aziz360 Posted February 12, 2013 Author Report Share Posted February 12, 2013 i have checked most of them dont know which ones to check really. i have checked the obd port which is fine as it does connect to abs etc. any ideas on what other fuses i can check? thanks Quote Link to comment Share on other sites More sharing options...
Rich Posted February 12, 2013 Report Share Posted February 12, 2013 multimeter on the power wires to the ecu.There's two of them. Quote Link to comment Share on other sites More sharing options...
aziz360 Posted February 14, 2013 Author Report Share Posted February 14, 2013 Ok thanks how will I go about doing that? Will I have to put it on voltage stick probe in the obd pins and other probe to an earth? Quote Link to comment Share on other sites More sharing options...
Rich Posted February 15, 2013 Report Share Posted February 15, 2013 yes. Quote Link to comment Share on other sites More sharing options...
aziz360 Posted February 15, 2013 Author Report Share Posted February 15, 2013 Ok thanks will give it a go tomorrow Quote Link to comment Share on other sites More sharing options...
TNT93 Posted February 15, 2013 Report Share Posted February 15, 2013 Hi, this sounds similar to the problem i had recenly, worked with them all except engine, i was getting 'can't sync baud rate' error and this link fixed my issuehttp://www.seatcupra.net/forums/showthread.php?t=153789Dont know if it will help but worth a try I guessThis may also help aswellhttp://uk-mkivs.net/forums/p/335796/2663239.aspxTom Quote Link to comment Share on other sites More sharing options...
aziz360 Posted February 20, 2013 Author Report Share Posted February 20, 2013 I have had my car looked at by a vw specialist garage. they have diagnosed it as an ecu fault after checking all the electrics. will hopefully be getting a new ecu soon Quote Link to comment Share on other sites More sharing options...
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