Originally posted by Durr McDanks
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Wiring Masters Needed B3 90q with AAN swap
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Are you near any of the people listed in this quattroworld UrS4/S6 forum member location post:
http://forums.quattroworld.com/s4s6/msgs/69040.phtml
Hopefully you are and they can try your ECU in their car for a few minutes.
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Originally posted by Durr McDanks View PostIt worked in the donor car so I just assumed the ECU should be working. It also spits out codes. How should I get a hold of Steve?
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It worked in the donor car so I just assumed the ECU should be working. It also spits out codes. How should I get a hold of Steve?
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Originally posted by Durr McDanks View PostOn the 034 harness there are two grounds(or what I assume are grounds) of which both are attached to the back corner of the cam cover. Where should I send my ECU to to make sure everything is working properly?
A good way to check if it is working is to find somebody local to you with an UrS4 or S6 and ask them if you can swap your ECU into their car to verify that it works. There is Steve Eiche in Arvada Colorado who can check your ECU if it doesn't work. (Common problem is water-damaged ECUs from failure to clean the UrS4/S6 plenum drain).
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On the 034 harness there are two grounds(or what I assume are grounds) of which both are attached to the back corner of the cam cover. Where should I send my ECU to to make sure everything is working properly?
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That's a good point. The factory loom has a big earth strap from coils to the head.
Would be good to know if the ECU is immo type or not as well.
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Originally posted by UrS4boy View PostIf you have voltage (11.3V in this case) at the white connectors, but there is no spark while you turn the key and engage the starter, then there must be an issue with the ECU *OR* the way you have the 034 HO coil packs wired to the ECU.
Durr, do you have these grounds in place? No grounds, no spark (the internal POSs are really switches that the ECU controls and sends power FROM the coils, through the POS (internal to the coil packs in this case) to ground in order to create the spark at the right time and for the correct length (dwell). No grounds, no spark.
Last edited by UrS4boy; 30 January 2011, 16:01.
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Originally posted by Durr McDanks View PostThere is no spark but 11.3 volts is registering at each pin in the white connectors.
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There is no spark but 11.3 volts is registering at each pin in the white connectors.
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Originally posted by Durr McDanks View PostAt the ECU its still 11.3V so I went to the battery and the battery is at 11.3v. I have charged the battery for a while and its a relatively new battery and its still stuck at 11.3V. But the main question I have is is it necessary to have 12V or will a 11.3 suffice?Last edited by UrS4boy; 29 January 2011, 04:01.
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At the ECU its still 11.3V so I went to the battery and the battery is at 11.3v. I have charged the battery for a while and its a relatively new battery and its still stuck at 11.3V. But the main question I have is is it necessary to have 12V or will a 11.3 suffice?
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check and make sure it is getting 12v feed at the ECU while cranking, had this while putting the engine in my A4.
Simple fix if it is, power gets cut from main power sources under cranking, i.e fans, radio, lights etc
Sean.
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1. I have power on all 5 pins but its getting 11.3 volts does it absolutely 12?
2. I am running to the store to get the tester
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