tomgeer Posted March 27, 2008 Share Posted March 27, 2008 Can anyone find the ECU pinout diagram for a 1996 P reg j-spec facelift auto TT, it is not a VVti model, it has 3 plugs? I am trying to fit my Apexi S-afc 2 but the pinout diagrams I have got don't match the wiring instructions for the S-afc, according to the instructions I am supposed to splice into wires that are blanks in the ecu plug, It must be the wrong pinout diagram. Anyone? Cheers Quote Link to comment Share on other sites More sharing options...
Wez Posted March 27, 2008 Share Posted March 27, 2008 Approx half way down this page http://mkiv.supras.org.nz/specs.htm The ECU should only have two plugs not 3. Quote Link to comment Share on other sites More sharing options...
tomgeer Posted March 27, 2008 Author Share Posted March 27, 2008 Cheers Wez, I'll give that one a go at the weekend . When I say 3 plugs I mean it has a single plug and then what looks like 2 plugs with the retaining bolt in the middle of them, you're right though it comes out as one. Quote Link to comment Share on other sites More sharing options...
Wez Posted March 27, 2008 Share Posted March 27, 2008 ok Quote Link to comment Share on other sites More sharing options...
Wez Posted March 27, 2008 Share Posted March 27, 2008 The AEM pinout doc is also useful, you can grab it here :- right-click-save-as Quote Link to comment Share on other sites More sharing options...
tomgeer Posted March 27, 2008 Author Share Posted March 27, 2008 spot on, thanks for your help mate Quote Link to comment Share on other sites More sharing options...
tomgeer Posted March 27, 2008 Author Share Posted March 27, 2008 I think I've worked out some of them but I still can't work out where all my S-afc wires should go, here is the S-afc installation guide: http://www.mkiv.com/techarticles/afc/index.html The ECU pinout list is on pages 5-8 of this document: http://www.zen85016.zen.co.uk/downloads/10-1100%20for%20EMS%20-%2030-1100.pdf So far I think the S-afc wires splice into the following on the ECU plugs (PLEASE CORRECT ME IF I AM WRONG!!!): Red (12V+ Ignition): 31A Switched 12v from main relay ? Grey (Throttle): 43B TPS signal input ? Brown & Black (Ground): 69B Chassis ground? Yellow & White (Airflow) : 62B Map Sensor input ? Pink & Orange (Not used/needed) I can't find where to splice the Green wire (RPM), Guessing maybe 21B, 23B or 2A which are all speed sensors??? I am not sure about any of these and would appreciate someone with a bit of experience to verify which wires go where. I'd really appreciate some advice or info, I am new to this game . thanks guys Quote Link to comment Share on other sites More sharing options...
SimonB Posted March 27, 2008 Share Posted March 27, 2008 RPM is the ignitor (i.e. one pulse per revolution), not the speed, which is the speed as in ground speed of the car in mph/kph. Quote Link to comment Share on other sites More sharing options...
tomgeer Posted March 27, 2008 Author Share Posted March 27, 2008 thanks Simon, There are ignitors 1-6, 52B-57B to choose from, any ideas which one to splice into? Do you see any others that I have got wrong? Quote Link to comment Share on other sites More sharing options...
Ian C Posted March 28, 2008 Share Posted March 28, 2008 You need the IGF line for revs, not one of the individual igniters Quote Link to comment Share on other sites More sharing options...
tomgeer Posted March 28, 2008 Author Share Posted March 28, 2008 Thanks Ian , any idea why the japanese pinout diagram shows 58b as the IGF but the AEM pinout Diagram says 58B is not used? I will find out which one is right tomorrow anyway. Do the rest of my wires look right to you or do you think I shouldn't risk tapping into it? cheers Quote Link to comment Share on other sites More sharing options...
Wez Posted March 28, 2008 Share Posted March 28, 2008 Because the AEM doesnt use it would be my first guess Quote Link to comment Share on other sites More sharing options...
tomgeer Posted March 28, 2008 Author Share Posted March 28, 2008 I think "not used" means that the pin has no wire going into it, there are quite a few blanks on the plugs Quote Link to comment Share on other sites More sharing options...
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