Alex lai Posted February 27, 2021 Report Share Posted February 27, 2021 Subaru v5/6 link g4+ plug in radiator fan1 problem, when ignition switch on radiator fan1 auto running, I try link ecu fan control tune off also same problem, factory ecu no this issue , ecu damage or other problem? Quote Link to comment Share on other sites More sharing options...
Adamw Posted February 27, 2021 Report Share Posted February 27, 2021 with both aux outputs turned off one fan will be running all the time as it works "backwards". So as far as I know Ign 3 polarity should be set to low and ign 4 polarity high. Quote Link to comment Share on other sites More sharing options...
Alex lai Posted February 28, 2021 Author Report Share Posted February 28, 2021 This ecu factory setting is ign3 on polarity low and ign4 on polarity high when ignition switch on fan1 auto running, I try turned off ign3 and 4 also same problem. Quote Link to comment Share on other sites More sharing options...
Adamw Posted February 28, 2021 Report Share Posted February 28, 2021 As I said above, you cant have the auxes turned off, they must be assigned as fans. Did you try ign 3 on high polarity? Quote Link to comment Share on other sites More sharing options...
Alex lai Posted February 28, 2021 Author Report Share Posted February 28, 2021 No try ign3 polarity set to high, will try later. Quote Link to comment Share on other sites More sharing options...
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