Nvy 0 Posted August 24, 2018 Report Share Posted August 24, 2018 Hey guys, I have purchased a 2nd hand ECU, whats the best way to test if it works? Can it be done w/o installing it on the car? Cheers Quote Link to post Share on other sites
Adamw 1,015 Posted August 24, 2018 Report Share Posted August 24, 2018 Need a bit more info. Is it a G4+? Is it a wire-in or plug-in? It would be pretty difficult for an end user to test most inputs and outputs without being connected to a running engine. Quote Link to post Share on other sites
Nvy 0 Posted August 24, 2018 Author Report Share Posted August 24, 2018 Just now, Adamw said: Need a bit more info. Is it a G4+? Is it a wire-in or plug-in? It would be pretty difficult for an end user to test most inputs and outputs without being connected to a running engine. Its G4 but i wrote it here coz the old section seems to get less attention. Its a wire-in. So i got it right, ill have to connect it. Quote Link to post Share on other sites
Adamw 1,015 Posted August 24, 2018 Report Share Posted August 24, 2018 Even connected you are not going to be able to test very thoroughly but you will at least be able to check that the ECU powers up, connect to laptop and things like MAP sensor reads correctly. Quote Link to post Share on other sites
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